Hazard Plain Preview: automated baseline

Mercer County, KY

Risk-assessment baseline packet

Unit
County area 21167
Release
2026-10
As of
2026-09-28
Storm Events data through
2026-06-30

Hazard Plain is an independent product built from public federal data. It is not a FEMA document and is not reviewed or endorsed by FEMA or any state agency.

A starting point for the plan's risk assessment (FEMA Local Mitigation Plan Review Tool, Element B). It does not replace local data or FEMA review. Section headings say which FEMA review item each table supports; whether an item is satisfied is decided by the plan and its reviewers.

Hazard Plain release 2026-10, as of 2026-09-28. Independent product; not a FEMA document.

Plan clock

Status
Approved, expires 2027-05-24
Plan
BlueGrass ADD Regional (FEMA plan 108257)
Approved
2022-05-25
Expires
2027-05-24
As of
2026-09-28
Days
238 days to expiry
Update underway
none in FEMA's plan tracker

What changed since your last plan (approved 2022-05-25)

New federal declarations
DR-4702-KY, EM-3624-KY, EM-3626-KY, DR-4864-KY, EM-3633-KY, DR-4937-KY (6 declaration rows; 5 counted incidents)
Storm Events records since approval
32 (data through 2026-06-30)
Repetitive loss now
FMA RL 4, SRL 8 (44 CFR 77.2); any definition: 25
Repeat-flood change
First release: no prior release to compare.

Sources

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/NfipMultipleLossProperties (API)

Plan status for every jurisdiction listed in this county

JurisdictionTypeStatusPlanApprovedExpiresDays to expirynegative = days since expiryUpdate underwayNotes
Mercer County (unincorporated area)UnincorporatedApproved, expires 2027-05-24BlueGrass ADD Regional (FEMA plan 108257)2022-05-252027-05-24238member approved 2023-05-23
Burgin cityCityApproved, expires 2027-05-24BlueGrass ADD Regional (FEMA plan 108257)2022-05-252027-05-24238member approved 2023-05-23
Harrodsburg cityCityApproved, expires 2027-05-24BlueGrass ADD Regional (FEMA plan 108257)2022-05-252027-05-24238member approved 2023-05-23

Plan 108257 also covers 44 other participants not listed on this page (named in the XLSX file).

Source

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

State plan status and tribal plans in this state: see the state page.

Supports B1-a: hazards

Hazards NRI does not cover: check locally

  • dam failure (incl. upstream dams)
  • levee failure
  • flash flood as its own subtype
  • ice jams
  • debris flows
  • erosion (riverine and coastal)
  • land subsidence and sinkholes
  • expansive soils

The 18 National Risk Index hazards, ranked by expected annual loss (EAL)

Rank by EALHazardNRI risk ratingEAL ratingEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearEAL population equivalencestatistical value of life and injury, $13.7M per life, not property damageEAL total (see note)modeled dollars per yearStorm Events records since 1996countEvidence for an omissionNRI Not Applicable, no declaration and no Storm Events record since 1996Storm Events coverage note
1Inland FloodingRelatively LowRelatively Low$6,719,974$20,694$34,812$6,775,48129
2TornadoRelatively ModerateRelatively Moderate$709,441$2,657$1,573,788$2,285,8867
3Strong WindRelatively ModerateRelatively Moderate$314,205$16,051$717,764$1,048,020108Includes 8 High Wind records and 1 Strong Wind record, event types the NRI definition of this hazard leaves out.
4Cold WaveRelatively LowRelatively Low$413$36,036$616,624$653,0735Includes 5 Frost/Freeze records, event types the NRI definition of this hazard leaves out.
5EarthquakeVery LowRelatively Low$302,074$87,791$389,865Not in Storm Events. Storm Events coverage of this hazard is limited; absence is not evidence of low risk.
6HailRelatively LowRelatively Low$259,561$56,461$29,925$345,94722
7LightningRelatively LowRelatively Low$8,352$205,248$213,6003
8Ice StormRelatively ModerateRelatively Moderate$55,600$84,699$140,2995
9Heat WaveVery LowVery Low$10$47$103,262$103,3190No recorded events in Storm Events since 1996 (data through 2026-06-30).
10Winter WeatherRelatively LowRelatively Moderate$5,859$2$71,724$77,58526
11DroughtVery LowVery Low$17,626$17,6260No recorded events in Storm Events since 1996 (data through 2026-06-30).
12HurricaneVery LowVery Low$13,441$3,522$98$17,0620No recorded events in Storm Events since 1996 (data through 2026-06-30).
13WildfireVery LowVery Low$2,612$10$676$3,2980No recorded events in Storm Events since 1996 (data through 2026-06-30). Storm Events coverage of this hazard is limited; absence is not evidence of low risk.
14LandslideVery LowVery Low$33$276$3090Declared 5 times; no Storm Events record of this type. Storm Events coverage of this hazard is limited; absence is not evidence of low risk.
AvalancheNot ApplicableNot Applicable0NRI rates avalanche Not Applicable for this county, and no federal declaration for this county names it.No recorded events in Storm Events since 1996 (data through 2026-06-30).
Coastal FloodingNot ApplicableNot Applicable0NRI rates coastal flooding Not Applicable for this county, and no federal declaration for this county names it.No recorded events in Storm Events since 1996 (data through 2026-06-30).
TsunamiNot ApplicableNot Applicable0NRI rates tsunami Not Applicable for this county, and no federal declaration for this county names it.No recorded events in Storm Events since 1996 (data through 2026-06-30). Storm Events coverage of this hazard is limited; absence is not evidence of low risk.
Volcanic ActivityNot ApplicableNot Applicable0NRI rates volcanic activity Not Applicable for this county, and no federal declaration for this county names it.No recorded events in Storm Events since 1996 (data through 2026-06-30). Storm Events coverage of this hazard is limited; absence is not evidence of low risk.

Total = buildings + agriculture + population equivalence; FEMA values each expected death (or 10 injuries) at $13.7 million (2024 dollars).

Sources

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Check your state hazard mitigation plan's hazard list for this county; explain any hazard you drop.

Supports B1-b: location

Where each hazard occurs

HazardLocationCensus tracts ratedrated of all tracts
AvalancheCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.0 of 5
Coastal FloodingCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.0 of 5
Cold WaveAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.5 of 5
DroughtAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.5 of 5
EarthquakeCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.5 of 5
HailAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.5 of 5
Heat WaveAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.5 of 5
HurricaneCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.5 of 5
Ice StormAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.5 of 5
Inland FloodingThe FEMA Flood Insurance Rate Map (FIRM) is the required location source for flooding. See the FEMA Flood Map Service Center (https://msc.fema.gov) for this county.5 of 5
LandslideCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.5 of 5
LightningAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.5 of 5
Strong WindAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.5 of 5
TornadoCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.5 of 5
TsunamiCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.0 of 5
Volcanic ActivityCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.0 of 5
WildfireCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.5 of 5
Winter WeatherAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.5 of 5

Source

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

Supports B1-c: extent

Extent: scale, observed range and worst recorded event per hazard

HazardScaleRecordscount, yearsObserved rangeWorst recorded eventMost damaging (when different)How it applies to membersNote
Avalanchenone (count and damage)0Physical measure: in event narratives only; local data required.
Coastal Flood, Storm Surge/Tidenone in data (FIRM for depth)0Flood depth: see the FEMA Flood Insurance Rate Map.
Cold/Wind Chill, Extreme Cold/Wind Chillwind chill0Wind chill: in event narratives only; local data required.
Frost/Freeze (outside NRI Cold Wave definition)crop damage5, 2016 to 2025 (5 zone-level)No crop damage reported in 5 records.Zone-level records: applies countywide; national data do not locate these events within the county.Temperature: in event narratives only; local data required.
DroughtUS Drought Monitor D-scale0Storm Events enters a drought at D2 or worse east of the Rockies and D3 or worse from the Rockies west (NWS Instruction 10-1605); NRI drought counts D3 and D4 only.
EarthquakeModified Mercalli (local data)0No Storm Events record; local data required (e.g., USGS).
Hailhail size (inches)26, 1971 to 20250.75 in to 2.75 in (median 1 in); 26 with a recorded value2.75 in hail, 2022-05-19Event records naming member places: Harrodsburg city (7 records), Burgin city (2 records).
Excessive Heat, Heatheat index (narratives)0Heat index: in event narratives only; local data required.
Hurricane, Tropical Storm, Tropical DepressionSaffir-Simpson0Storm Events files every zone of a storm's episode under the storm's event type and category, so a Hurricane (Typhoon) record, especially an inland or remnant one, does not by itself mean hurricane-force winds here; read the damage and wind columns.
Ice StormSperry-Piltz (local data)5, 2003 to 2021 (5 zone-level)Ice Storm, 2003-02-15, $800,000 property; crops not reported, reported for the zone (2003 dollars); NWS zone KYZ047 (MERCER), zone-level: may include parts of neighboring countiesZone-level records: applies countywide; national data do not locate these events within the county.Ice thickness: in event narratives only; local data required.
Flash Flood, Flood, Lakeshore Flooddamage and flood days (FIRM for depth)29, 1996 to 2026 (2 zone-level)Flood, 1997-03-02, $400,000 property; crops not reported, reported for the zone (1997 dollars); NWS zone KYZ047 (MERCER), zone-level: may include parts of neighboring countiesEvent records naming member places: Harrodsburg city (8 records), Burgin city (2 records). Zone-level records (2) apply countywide.Flood depth: see the FEMA Flood Insurance Rate Map. Storm Events damage can be $0 or blank even for a major flood, so the worst record here may not be the worst flood; compare FEMA Public Assistance by declaration in B1-d.
Debris Flownone (count and damage)0Physical measure: in event narratives only; local data required.
Lightningannualized frequency (the measure FEMA's Local Mitigation Planning Handbook names)3, 1998 to 2007Lightning, 2006-07-04, $50,000 property; crops not reported (2006 dollars)No event record names a member place.Storm Events lists lightning with damage or casualties; physical measure in event narratives only; local data required.
High Wind and Strong Wind (outside NRI Strong Wind definition)wind speed (kt and mph)9, 1996 to 2024 (9 zone-level)45 kt (52 mph) to 63 kt (72 mph) (median 52 kt (60 mph)); 9 with a recorded value63 kt (72 mph) measured gust, High Wind, 2023-03-03; NWS zone KYZ047 (MERCER), zone-level: may include parts of neighboring countiesStrong Wind, 2014-11-24, $18,000 property; $0 crops, reported for the zone (2014 dollars)Zone-level records: applies countywide; national data do not locate these events within the county.
Thunderstorm Windwind speed (kt and mph)129, 1968 to 202650 kt (58 mph) to 75 kt (86 mph) (median 52 kt (60 mph)); 99 with a recorded value75 kt (86 mph) estimated gust, Thunderstorm Wind, 2017-03-27; same speed and measurement basis also recorded on 2002-11-10Thunderstorm Wind, 2008-01-29, $200,000 property; $0 crops (2008 dollars)Event records naming member places: Harrodsburg city (21 records), Burgin city (15 records).
TornadoEnhanced Fujita (F before Feb 2007)15, 1972 to 2025F/EF0 to F/EF2 (median F/EF1); 14 with a recorded valueF2 tornado, 2003-05-11, 7 mi within this county, 300 yd wide, $15,000,000 property; crops not reported (2003 dollars), 1 direct death, 8 direct injuriesEvent records naming member places: Burgin city (1 record).From 1996 on, tornado records are per-county segments and length is the path length within this county (NWS Instruction 10-1605); records before 1996 may give the whole path length, including the path outside this county, and before 1996 a tornado is listed once, under the county where it began, with the whole path's rating; counties farther along the path may not list it. Length is not used to rank tornadoes.
Tsunaminone (count and damage)0Physical measure: in event narratives only; local data required.
Volcanic Ash, Volcanic AshfallVolcanic Explosivity Index (local data)0Physical measure: in event narratives only; local data required.
Wildfireacres burned (local data)0Acres burned: in event narratives only; local data required.
Winter Storm, Heavy Snow, Blizzard, Lake-Effect Snow, Winter Weather, Sleetnone in data (snowfall local)26, 1996 to 2026 (26 zone-level)No damage reported in 26 records.Zone-level records: applies countywide; national data do not locate these events within the county.Snow depth: in event narratives only; local data required.

Storm Events records are more complete after 1996; before 1996 only Tornado (from 1950), Hail and Thunderstorm Wind (from 1955) exist. Zone-level records are placed with NWS zone-county files, which exist from 2020 on; an earlier record is placed by its zone number in the nearest later file only when its zone name matches that file, records from zones NWS renumbered are placed by name or left out, and a record whose zone is in no known file is left out of every count, so counts before 2020 can be low. Some current zones are also missing from the NWS files, so recent counts can be low too.

Dollars are nominal (as reported), labeled with the year; not adjusted for inflation.

Sources

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty

Supports B1-d: previous occurrences

Declaration rows
26
Counted incidents
21

Federal disaster declarations for this county

DeclaredIncident beganFEMA numberTypeTitleMapped hazardCounty Public Assistancefederal share obligated, nominal dollarsFlagsNotes
2026-09-012026-06-26DR-4937-KYMajor disasterSEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDESInland Flooding; Landslide; Strong Windnot yet in FEMA's PA summaries (they cover declarations through 2026-06-30)new since last plan; within last 5 years
2026-01-242026-01-23EM-3633-KYEmergencySEVERE WINTER STORMWinter Weathernone foundnew since last plan; within last 5 years
2025-04-242025-04-02DR-4864-KYMajor disasterSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDESInland Flooding; Landslide; Strong Wind; Tornado$220,189.67new since last plan; within last 5 years
2025-04-032025-04-02EM-3626-KYEmergencySEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODINGInland Flooding; Strong Wind; Tornadonone foundnew since last plan; within last 5 yearssame incident as DR-4864
2025-02-162025-02-14EM-3624-KYEmergencySEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, AND LANDSLIDESInland Flooding; Landslide; Strong Windnone foundnew since last plan; within last 5 years
2023-04-102023-03-03DR-4702-KYMajor disasterSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDESInland Flooding; Landslide; Strong Wind; Tornado$133,793.40new since last plan; within last 5 years
2021-03-312021-02-08DR-4592-KYMajor disasterSEVERE WINTER STORMS, LANDSLIDES, AND MUDSLIDESIce Storm$4,825.46
2020-03-282020-01-20DR-4497-KYMajor disasterCOVID-19 PANDEMICNon-natural, not counted$43,857.43
2020-03-132020-01-20EM-3469-KYEmergencyCOVID-19Non-natural, not countednone foundsame incident as DR-4497
2011-05-042011-04-12DR-1976-KYMajor disasterSEVERE STORMS, TORNADOES, AND FLOODINGInland Flooding; Tornadonone found
2010-05-112010-05-01DR-1912-KYMajor disasterSEVERE STORMS, FLOODING, MUDSLIDES, AND TORNADOESInland Flooding; Landslide; TornadoPA not declared for this county
2009-02-052009-01-26DR-1818-KYMajor disasterSEVERE WINTER STORM AND FLOODINGIce Storm$460,840.22
2009-01-282009-01-27EM-3302-KYEmergencySEVERE WINTER STORMIce Stormnone foundsame incident as DR-1818
2008-02-212008-02-05DR-1746-KYMajor disasterSEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, ANDStrong Wind; Tornado$80,693.55
2005-09-102005-08-29EM-3231-KYEmergencyHURRICANE KATRINAHurricane: evacuation support, not a local hazard event; not countednone found
2003-06-032003-05-04DR-1471-KYMajor disasterSEVERE STORMS, FLOODING, MUD AND ROCK SLIDES, AND TORNADOESInland Flooding; Tornado$30,309.65
2003-03-142003-02-15DR-1454-KYMajor disasterSEVERE WINTER ICE AND SNOW STORMS, HEAVY RAIN, FLOODING, TORNADOES, AND MUD ANDInland Flooding; Tornado; Winter Weather$31,814.83
1998-03-031998-02-04DR-1207-KYMajor disasterSEVERE WINTER STORMWinter Weathernone found
1997-03-041997-03-01DR-1163-KYMajor disasterSEVERE STORM, FLOODING, AND TORNADOESInland Flooding; Tornadonone found
1996-01-131996-01-05DR-1089-KYMajor disasterBLIZZARD OF 96Winter Weathernone found
1995-06-131995-05-13DR-1055-KYMajor disasterTORNADOES, SEVERE WINDS, HAILTornado (primary); also designated: HailPA not declared for this county
1994-03-161994-02-09DR-1018-KYMajor disasterSEVERE WEATHER, FREEZING RAIN, SLEET, SNWWinter Weathernone found
1993-03-161993-03-13EM-3104-KYEmergencySEVERE SNOWFALL & WINTER STORMWinter Weathernone found
1989-02-241989-01-13DR-821-KYMajor disasterSEVERE STORMS & FLOODINGInland Floodingnone found
1978-12-121978-12-12DR-568-KYMajor disasterSEVERE STORMS & FLOODINGInland Floodingnone found
1974-04-041974-04-04DR-420-KYMajor disasterTORNADOESTornadonone found

County Public Assistance: applicants the FEMA record places in this county, including any state agencies FEMA files there; statewide rows are listed on the state page; federal share obligated, nominal dollars.

Dollars are nominal (as reported), labeled with the year; not adjusted for inflation.

Statewide declarations

DeclaredIncident beganFEMA numberTypeTitleMapped hazardFlagsNotes
1964-03-171964-03-17DR-163-KYMajor disasterSEVERE STORMS & FLOODINGInland Flooding
1963-03-131963-03-13DR-148-KYMajor disasterSEVERE STORMS & FLOODINGInland Flooding
1962-03-121962-03-12DR-128-KYMajor disasterFLOODSInland Flooding
1957-01-311957-01-31DR-66-KYMajor disasterFLOODInland Flooding

FEMA recorded these with designated area Statewide and no county. Listed on every county page in the state; not counted with county rows.

Source

FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)

Previous occurrences by hazard, with explicit no-event rows

HazardStorm Events recordsfull periodSince plan approvalrecordsDuring plan reviewrecordsLast 5 yearsrecordsDeclared incidentsdistinct incidentsDeclared since approvaldistinct incidentsPeriodStatement
Avalanche0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Coastal Flooding0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Cold Wave5101001996 to 2026-06-30Includes 5 Frost/Freeze records, event types the NRI definition of this hazard leaves out.
Drought0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Earthquake000000No Storm Events record; local data required (e.g., USGS).
Hail26437101955 to 2026-06-30
Heat Wave0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Hurricane0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Ice Storm5000201996 to 2026-06-30
Inland Flooding293131141996 to 2026-06-30
Landslide0000541996 to 2026-06-30No Storm Events records of this type; 5 federal declared incidents (see declarations table)
Lightning3000001996 to 2026-06-30
Strong Wind13817318541955 to 2026-06-30Includes 8 High Wind records and 1 Strong Wind record, event types the NRI definition of this hazard leaves out.
Tornado152021021950 to 2026-06-30
Tsunami0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Volcanic Activity0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Wildfire0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Winter Weather26527611996 to 2026-06-30

Sources

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)

NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty

Notable Storm Events records

DateEvent typeMagnitude or extentDamagenominal dollarsDirect deaths, injuriesindirect not countedLocationFlagsWhy listed
2024-05-26Thunderstorm Wind74 kt (85 mph) estimated gustdamage not reported1, 0HARRODSBURG to EAST BUSHTOWNnew since last plan; within last 5 yearsdeaths or injuries recorded
2023-03-03High Wind63 kt (72 mph) measured gustdamage not reported0, 0NWS zone KYZ047 (MERCER), zone-level: may include parts of neighboring countiesnew since last plan; within last 5 yearsB1-c worst recorded: High Wind and Strong Wind (outside NRI Strong Wind definition)
2022-05-19Hail2.75 inproperty not reported; $0 crops (2022 dollars)0, 0MC AFEEduring plan review, check whether your last plan included it; within last 5 yearsB1-c worst recorded: Hail
2017-03-27Thunderstorm Wind75 kt (86 mph) estimated gust$30,000 property; $0 crops (2017 dollars)0, 0MAYO to MC AFEEB1-c worst recorded: Thunderstorm Wind
2014-11-24Strong Wind45 kt (52 mph) estimated gust$18,000 property; $0 crops, reported for the zone (2014 dollars)0, 1NWS zone KYZ047 (MERCER), zone-level: may include parts of neighboring countiesB1-c most damaging: High Wind and Strong Wind (outside NRI Strong Wind definition)
2008-01-29Thunderstorm Wind70 kt (81 mph) estimated gust$200,000 property; $0 crops (2008 dollars)0, 0SHAKERTOWNB1-c most damaging: Thunderstorm Wind
2006-07-04Lightning$50,000 property; crops not reported (2006 dollars)0, 0SALVISAB1-c worst recorded: Lightning
2003-05-11TornadoF2, 7 mi within this county, 300 yd wide$15,000,000 property; crops not reported (2003 dollars)1, 8BOHONdeaths or injuries recorded
2003-02-15Ice Storm$800,000 property; crops not reported, reported for the zone (2003 dollars)0, 0NWS zone KYZ047 (MERCER), zone-level: may include parts of neighboring countiesB1-c worst recorded: Ice Storm
1997-03-02Flood$400,000 property; crops not reported, reported for the zone (1997 dollars)0, 0NWS zone KYZ047 (MERCER), zone-level: may include parts of neighboring countiesB1-c worst recorded: Flash Flood, Flood, Lakeshore Flood
1995-05-18TornadoF2, 7.4 mi path length (records before 1996 may include the whole path; rating and listing come from the county where the tornado began), 125 yd wide$5,000,000 property; crops not recorded (1995 dollars)0, 8Salvisadeaths or injuries recorded
1980-07-02TornadoF1, 33 yd wide$250,000 property; crops not recorded (1980 dollars)0, 1location not recordeddeaths or injuries recorded

The full list is in the XLSX file, sheet "B1-d Storm Events history" (247 rows).

Storm Events records are more complete after 1996; before 1996 only Tornado (from 1950), Hail and Thunderstorm Wind (from 1955) exist. Zone-level records are placed with NWS zone-county files, which exist from 2020 on; an earlier record is placed by its zone number in the nearest later file only when its zone name matches that file, records from zones NWS renumbered are placed by name or left out, and a record whose zone is in no known file is left out of every count, so counts before 2020 can be low. Some current zones are also missing from the NWS files, so recent counts can be low too.

Sources

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

State-declared emergencies are not in federal data. Add them from your state emergency management agency.

FEMA's declaration data list no tribal or special-area declarations for this state.

Supports B1-e: probability

Probability: FEMA annualized frequency and descriptor per hazard

HazardFEMA annualized frequency (modeled)unit per rowUnitIn plain termsDescriptorDescriptor basisNRI events or days in its record period (hail, wind and tornado are area-weighted, so can be fractional)NRI periodLocationNote
Avalancheevents per year1994 to 2023 (30 years)see B1-fNot Applicable in NRI for this county; no descriptor.
Coastal Floodingevents per year at a location (modeled)not shownmodeledsee B1-fNot Applicable in NRI for this county; no descriptor.
Cold Wave1.05event-days per yearabout 1.05 days per yearevent-days in 0 of 30 years, 1996 to 2025 (0%)202005-11-12 to 2024-11-12 (19 years)countywideNo recorded event-days, 1996 to 2025; descriptor not assigned. Frost/Freeze records are not counted in this descriptor: they record crop freezes, not cold waves.
Drought2.32event-days per yearabout 2.32 days per yearevent-days in 0 of 30 years, 1996 to 2025 (0%)702000 to 2025 (25.25 years; D3 and D4 only)countywideNo recorded event-days, 1996 to 2025; descriptor not assigned
Earthquake0.00214annual probability at a locationchance a given location in the county has at least minor-damage shaking in a year: 0.214%not shownmodeledsee B1-fDescriptor not assigned: the NRI value is the chance at a location in the county, not how often the hazard affects the county, and Storm Events does not record earthquakes.
Hail3.48events per yearabout 3.48 per yearHighly likelyFEMA annualized frequency (modeled)132.1 (modeled)1986 to 2023 (38 years)countywide
Heat Wave2.89event-days per yearabout 2.89 days per yearevent-days in 0 of 30 years, 1996 to 2025 (0%)452005-11-12 to 2024-11-12 (19 years)countywideNo recorded event-days, 1996 to 2025; descriptor not assigned
Hurricane0.0126events per yearabout 1 in 80 yearsPossibleFEMA annualized frequency (modeled)41851 to 2024 (Atlantic)see B1-fNRI counts hurricane and tropical storm tracks passing within storm-force wind range; federal declarations are counted separately in B1-d and need not match.
Ice Storm0.878event-days per yearabout 0.878 days per yearLikelyevent-days in 5 of 30 years, 1996 to 2025 (16.7%)591946-12-31 to 2014-02-12 (67 years)countywide
Inland Flooding0.786event-days per yearabout 0.786 days per yearLikelyevent-days in 14 of 30 years, 1996 to 2025 (46.7%)221996 to 2023 (28 years)see B1-f
Landslide0.31events per year (modeled)about 1 in 3 yearsLikelyFEMA annualized frequency (modeled)not shownmodeledsee B1-f
Lightning52.1days per year with a strikeabout 52.1 days per yearHighly likelyFEMA annualized frequency (modeled)not shown1995 to 2023 (29 years; CONUS)countywide
Strong Wind7.31events per yearabout 7.31 per yearHighly likelyFEMA annualized frequency (modeled)2781986 to 2023 (38 years)countywide
Tornado0.156events per yearabout 1 in 6 yearsLikelyFEMA annualized frequency (modeled)not shown1950 to 2023 (EF2+); 1986 to 2023 (EF0-1)see B1-f
Tsunamiannual probability at the most exposed location (used in place of a county value)not shownmodeledsee B1-fNot Applicable in NRI for this county; no descriptor.
Volcanic Activityannual probabilitynot shownmodeledsee B1-fNot Applicable in NRI for this county; no descriptor.
Wildfire0.0000724annual probability at a locationchance a given location in the county burns in a year: 0.00724%Storm Events records in 0 of 30 years, 1996 to 2025 (0%)not shownmodeledsee B1-fNo Storm Events record of this hazard, 1996 to 2025; descriptor not assigned (the NRI value is the chance at a location in the county, not how often the hazard affects the county)
Winter Weather10.4event-days per yearabout 10.4 days per yearLikelyevent-days in 13 of 30 years, 1996 to 2025 (43.3%)1982005-11-12 to 2024-11-12 (19 years)countywideNRI gives about 10.4 winter weather event-days a year here (its annualized frequency over 19 years; not its event count divided by the years), but Storm Events has a record in only 13 of 30 years. NRI counts from a different source that records far more events than Storm Events, so this descriptor reads much lower than NRI's frequency; read the two together.

FEMA annualized frequency (modeled) comes from the National Risk Index v1.20 (December 2025). It is not recorded events divided by years, and what it measures depends on the hazard. For most hazards it estimates how often the hazard affects this county each year: it counts events or event-days (drought, heat wave, cold wave, winter weather, ice storm and inland flooding are in days per year; lightning is the number of days per year with a recorded cloud-to-ground strike, from the NOAA Storm Prediction Center daily lightning climatology); it may count events in the surrounding area (hail, strong wind, tornado, hurricane and ice storm use a 49 km grid and buffers) and is averaged over the county's area; and some hazards use a minimum value for places with no recorded event. Earthquake, wildfire and coastal flooding are different: FEMA computes them for each census block and averages them over the county, so the value is the chance (for coastal flooding, the modeled number of floods per year) at a location in the county, which is lower than the chance that the hazard strikes somewhere in the county. Earthquake is the chance of at least minor-damage shaking (U.S. Geological Survey model); wildfire is the chance that a location burns in a large fire (U.S. Forest Service burn probability); coastal flooding comes from FEMA flood zones and NOAA high-tide flooding, so it can be above 1 where high-tide flooding is frequent. Tsunami is the value at the county's most exposed location, from recorded events and modeled return periods. For these four hazards the packet gives no "1 in N years" and takes the descriptor from Storm Events (none for earthquake) unless the value is 1 or more a year. Landslide is a U.S. Geological Survey modeled county rate spread by slope susceptibility. Volcanic activity is the chance that a volcano affecting the county erupts in a year. Drought counts only extreme and exceptional drought (D3 and D4). Source: FEMA, National Risk Index Technical Documentation v1.20, sections 5.2.2 (Table 5), 5.2.3, 7.4, 10.4, 16.5, 17.1, 17.3.1, 17.5, 20.3.1, 21.4, 22.4 and 6 to 23.

Sources

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Descriptor scale used in this packet (defined per unit)

UnitDescriptorDefinition
events per yearHighly likely1 or more per year
events per yearLikelyabout once in 1 to 10 years
events per yearPossibleabout once in 10 to 100 years
events per yearUnlikelyless than once in 100 years
annual probabilityLikely10% to under 100% chance in a given year
annual probabilityPossible1% to under 10% chance in a given year
annual probabilityUnlikelyunder 1% chance in a given year
event-days (share of years)Highly likelyevent-days recorded in 90% or more of years
event-days (share of years)Likelyevent-days recorded in 10% to under 90% of years
event-days (share of years)Possibleevent-days recorded in some years but under 10% of years
lightning strike-daysHighly likelycloud-to-ground strikes on 1 or more days per year

Sources

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Intensity bands: historical frequency (Storm Events)

HazardBandYearsEventscounty-coded recordsYears in periodEvents per yearevents / years
Hail1.00-1.99 in1996 to 202513300.433
Hail2.00 in+1996 to 20252300.0667
Strong Wind (Thunderstorm Wind records)50-64 kt1996 to 202584302.8
Strong Wind (Thunderstorm Wind records)65 kt+1996 to 202510300.333
Strong Wind (Thunderstorm Wind records)unmeasured or below 50 kt1996 to 20252300.0667
TornadoEF0-11996 to 20256300.2
TornadoEF2-31996 to 20251300.0333
TornadoEF4-51996 to 20250300
Tornadounrated (EFU)1996 to 20250300

Hail smaller than 1 inch is not counted: on 2010-01-05 the National Weather Service raised its severe-hail threshold from 3/4 inch to 1 inch, so smaller reports became less common after 2009 (NWS Service Change Notice 09-52). NRI hail frequency uses a 0.75 inch threshold.

Source

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Optional: future conditions. Not a required item in the 2025 FEMA Local Mitigation Planning Policy Guide; some states ask for it. The federal Climate Mapping for Resilience and Adaptation (CMRA) site gives county exposure to future climate conditions.

Supports B1-f: variation across the planning area

Range of census tract risk within the county

HazardTractsrated of allRisk score minNRI score, 0 to 100MedianMaxTracts by ratingNote
Avalanche0 of 5Not Applicable 5
Coastal Flooding0 of 5Not Applicable 5
Cold Wave5 of 566.370.583.3Relatively High 2, Relatively Moderate 3National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Drought5 of 578.884.085.7Relatively Low 4, Very Low 1National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. Agriculture is all of NRI's expected annual loss for this hazard in the county, so the tract range above mostly reflects where crop and livestock value is, not where buildings and people are. Confirm locally.
Earthquake5 of 555.162.981.8Relatively Moderate 1, Relatively Low 4
Hail5 of 583.586.292.3Relatively High 2, Relatively Moderate 3National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Heat Wave5 of 521.126.344.8Relatively Low 5National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Hurricane5 of 540.845.447.4Very Low 5
Ice Storm5 of 584.586.393.1Relatively High 2, Relatively Moderate 3National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Inland Flooding5 of 578.982.195.1Relatively High 5
Landslide5 of 541.978.081.9Relatively Low 1, Very Low 4
Lightning5 of 581.286.395.7Relatively High 5National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Strong Wind5 of 595.096.599.1Very High 2, Relatively High 3National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Tornado5 of 584.491.198.5Very High 2, Relatively High 3
Tsunami0 of 5Not Applicable 5
Volcanic Activity0 of 5Not Applicable 5
Wildfire5 of 557.162.766.8Very Low 5
Winter Weather5 of 584.087.394.6Relatively High 5National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.

Rated tracts only: No Rating (score 0.0), Not Applicable and Insufficient Data tracts are counted but not used for the minimum, median and maximum.

Source

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

Per-member block (Starter, confirm locally)

MemberTypePlan statusRepetitive lossFMA RL and SRL (44 CFR 77.2); repeat-flood, any definitionPublic Assistance matchedfederal share obligated, nominal dollarsEvent records naming this placeall years; since the member's planNotes
Mercer County (unincorporated area)UnincorporatedApproved, expires 2027-05-24FMA RL 4, SRL 7; any 18$589,005.330; 0
Burgin cityCityApproved, expires 2027-05-24FMA RL 0, SRL 0; any 4$114,202.9620; 4
Harrodsburg cityCityApproved, expires 2027-05-24FMA RL 0, SRL 1; any 3$172,307.9536; 6

Member rows are whole NFIP communities and need not add up to the county total: a community that extends into another county is counted in full on each member row, while the county table counts only its part in this county.

School districts and special districts get a plan clock row only.

Sources

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/NfipMultipleLossProperties (API)

FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-26T151157Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Supports B2-a and B2-b: assets and impacts

Local data required

County-level starter. The plan must describe impacts for each participant and its own assets.

  • Critical facilities and lifelines per hazard
  • A problem statement per participant per hazard
  • Changes in development in hazard-prone areas since the last approval, or a statement of none (E1-a)
  • Future assets

County-level starter: exposure, expected annual loss and damage since the plan

HazardBuilding exposuremodeled dollarsAgriculture exposuremodeled dollarsPopulation exposedpeopleEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearEAL population equivalencestatistical value of life and injury, $13.7M per life, not property damageEAL as % of exposurebuildings; agriculture where notedStorm Events damage since 2022-05-25county-coded records, property plus crops, nominal dollarsZone-level damage since planproperty plus crops, reported for the zonePublic Assistance since plannominal dollars; see noteNote
AvalancheNot Applicable in NRI for this county
Coastal FloodingNot Applicable in NRI for this county
Cold Wave$4,806,034,144$59,103,72522,629$413$36,036$616,624under 0.0001%
Drought$12,627,429$17,6260.14% (agriculture)NRI has no building exposure for this hazard; agriculture shown
Earthquake$8,169,749,76422,641$302,074$87,7910.0037%
Hail$4,806,035,878$59,103,72522,629$259,561$56,461$29,9250.0054%$0
Heat Wave$4,806,034,144$59,103,72522,629$10$47$103,262under 0.0001%
Hurricane$4,806,034,144$58,095,13522,629$13,441$3,522$980.00028%
Ice Storm$4,806,034,14422,629$55,600$84,6990.00116%
Inland Flooding$4,797,546,948$2,788,213868$6,719,974$20,694$34,812n/a (see note)$0$353,983.07NRI counts the full building value of any census block with some flood loss; this is not the value of buildings in the floodplain. Use local FIRM overlays for B2-a/B2-b. EAL as % of exposure: n/a.
Landslide$161,495,154916$33$276under 0.0001%$353,983.07
Lightning$4,806,035,87822,629$8,352$205,2480.000174%
Strong Wind$4,806,035,878$59,103,72522,629$314,205$16,051$717,7640.00654%$0$353,983.07
Tornado$4,806,035,878$59,103,72522,629$709,441$2,657$1,573,7880.0148%$353,983.07
TsunamiNot Applicable in NRI for this county
Volcanic ActivityNot Applicable in NRI for this county
Wildfire$1,239,375,099$20,112,3166,779$2,612$10$6760.000211%
Winter Weather$4,806,034,144$59,103,72522,629$5,859$2$71,7240.000122%none found (1 declaration)

Totals since 2022-05-25 (Storm Events through 2026-06-30): 24 county-coded records, 12 with a damage value recorded (including $0), $0; 8 zone-level records, 0 with a damage value recorded (including $0), $0 reported for the zone; Public Assistance on counted declarations $353,983.07 (6 declarations, 2 with PA).

Total = buildings + agriculture + population equivalence; FEMA values each expected death (or 10 injuries) at $13.7 million (2024 dollars).

FEMA does not split Public Assistance by hazard. A declaration mapped to several hazards is listed under each of them with its full amount, so the per-hazard column must not be added up; the unit total counts each declaration once.

Dollars are nominal (as reported), labeled with the year; not adjusted for inflation.

Sources

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty

FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)

FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-26T151157Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

Supports B2-a: context

County context

MeasureValue
Population22,629
Building value (total, not at risk)$4,806,035,878
Agriculture value (total, not at risk)$59,103,725
NRI risk rating (all hazards)Very Low
Expected annual loss, buildings and agriculture, all hazards$8,544,681
Expected annual loss, population equivalence, all hazards (NRI values each statistical life at $13.7M; a modeled value of expected deaths and injuries, not property damage)$3,526,689
Social vulnerability ratingRelatively Moderate
Community resilience ratingRelatively High
NRI versionDecember 2025

FEMA's all-hazard expected annual loss total adds buildings, agriculture and population equivalence; the two parts are shown separately so the property figure is not read as including the statistical value of life.

Source

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

Supports B2-c: repetitive loss

Repetitive loss in this county, both definitions

DefinitionPropertiesSevere repetitive lossProperties
Repetitive loss, FMA definition (44 CFR 77.2)4Severe repetitive loss, FMA definition (44 CFR 77.2)8
Repetitive loss, NFIP insurance definition22Severe repetitive loss, NFIP insurance definition7

Your state NFIP coordinator's list may use the NFIP insurance definition, so its counts can be higher.

Repeat-flood properties: county total and NFIP communities

ScopeRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
County total482272516
BURGIN, CITY OF0040401
HARRODSBURG, CITY OF0131301
MERCER COUNTY*471561814

Repeat-flood properties by plan member (NFIP community)

MemberNFIP community IDRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredpropertiesNote
Mercer County (unincorporated area)210306471561814
Burgin city2101710040401
Harrodsburg city2101720131301

Per-member types: XLSX sheet 'B2-c Members'.

Member rows are whole NFIP communities and need not add up to the county total: a community that extends into another county is counted in full on each member row, while the county table counts only its part in this county.

County repeat-flood properties by occupancy group

Occupancy groupRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
single-family residential482072315
2 to 4 unit residential0000000
other residential0000000
non-residential0020201
not reported0000000

Institutional properties cannot be separated in this data: FEMA's occupancy groups have no institutional class, so they fall in non-residential or other residential in the table by occupancy group.

FMA RL and FMA SRL are the Flood Mitigation Assistance definitions (44 CFR 77.2), the ones the FEMA Local Mitigation Planning Policy Guide cites; OpenFEMA's fmaRl field description omits the Increased Cost of Compliance clause of 44 CFR 77.2(i). NFIP repetitive loss (FEMA insurance definition, nfipRl) is 2 or more claims over $1,000 in 10 years and can drop to false when a property is mitigated. Also shown: NFIP severe repetitive loss, any category, mitigated and currently insured.

Your state NFIP coordinator's list may use the NFIP insurance definition, so its counts can be higher.

Counts are aggregates of FEMA's public NFIP Multiple Loss Properties file (as of 2026-08-02). No property is identified. County assignment is FEMA's geocode.

Counts may differ from your state NFIP coordinator's list, which is the source the Handbook names.

In this county 3 properties are FMA repetitive loss but not NFIP repetitive loss, and 21 properties are NFIP repetitive loss but not FMA repetitive loss.

Exact counts; no count suppression.

Sources

Every table above lists its own sources. The full list, for the plan's bibliography (FEMA review item A4-a):

  1. FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)
  2. FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)
  3. FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-26T151157Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)
  4. FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/NfipMultipleLossProperties (API)
  5. FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)
  6. NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/
  7. NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty
  8. U.S. Census Bureau, Census 2024 Gazetteer, 2020 place by county, CT county-to-cousub crosswalk, version 2024-gazetteer, pulled 2026-09-28, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_counties_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_cousubs_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_place_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_unsd_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_elsd_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_scsd_national.zip, https://www2.census.gov/geo/docs/reference/codes2020/national_place_by_county2020.txt, https://www2.census.gov/geo/docs/reference/ct_change/ct_cou_to_cousub_crosswalk.xlsx

OpenFEMA disclaimer

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Cite this: Hazard Plain (2026). Mercer County, KY: risk-assessment baseline packet, release 2026-10 (data as of 2026-09-28; County area 21167). Preview: automated baseline. Built from FEMA OpenFEMA, the FEMA National Risk Index and NOAA NCEI Storm Events; source versions in the packet's Sources list.

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Hazard Plain release 2026-10. As of 2026-09-28; Storm Events data through 2026-06-30. File hazard-plain_2026-10_KY_21167. Preview: automated baseline.