Hazard Plain Automated baseline

Etowah County, AL

Risk-assessment baseline packet

County FIPS:
01055
Release:
2026-10
Data as of:
2026-09-30
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.

Hazard Plain release 2026-10, as of 2026-09-30.

Summary

Plan status as of 2026-09-30: Expired on 2026-03-16. Plan: Division F (FEMA plan 108184), approved 2021-03-17.

Since the plan was approved on 2021-03-17: 1 new hazard declaration (1 incident) and 71 NOAA Storm Events records; details under "What changed since your last plan".

Highest expected annual loss (FEMA National Risk Index, modeled total; see B1-a): Inland Flooding ($22,853,382 a year), Tornado ($17,249,208) and Earthquake ($3,080,325).

The tables that follow are organized by the items of FEMA's Local Mitigation Plan Review Tool, Element B (B1-a to B2-c); each heading says which item its tables support.

Plan clock

Status:
Expired on 2026-03-16
Plan:
Division F (FEMA plan 108184)
Approved:
2021-03-17
Days since expiry:
198
Update underway:
none recorded in FEMA's plan tracker

Until a new plan is approved, FEMA mitigation project grants (HMGP, FMA) need a FEMA exception (44 CFR 201.6(a)(3)).

What changed since your last plan (approved 2021-03-17)

New federal declarations:
1 new hazard declaration (1 incident): EM-3618-AL (Hurricane Helene)
Storm Events records since approval:
71 records (data through 2026-06-30)
Repetitive loss now:
FMA RL 0, SRL 1 (44 CFR 77.2); any definition: 11
Repeat-flood change:
this release sets the baseline count.

Sources: 1, 2, 4, 6 (numbered list at the end)

Plan status for every jurisdiction listed in this county

Source: 1

JurisdictionTypeStatusPlanApprovedExpiresDays to expirynegative = days since expiryNotes
Etowah County (unincorporated area)UnincorporatedExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2021-08-18
Altoona townTownExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-07-14
Attalla cityCityExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2023-02-09
Gadsden cityCityExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-11-04
Glencoe cityCityExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-07-14
Hokes Bluff cityCityExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-07-26
Rainbow City cityCityExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-02-04
Reece City townTownExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-07-25
Ridgeville townTownExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-08-16
Sardis City townTownExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-08-18
Southside cityCityExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-08-16
Walnut Grove townTownExpired on 2026-03-16Division F (FEMA plan 108184)2021-03-172026-03-16-198this jurisdiction approved 2022-08-16

Plan 108184 lists 36 other participants, named in the Excel file.

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

Supports FEMA checklist item B1-a: hazard identification

Hazards NRI does not cover (local data needed)

  • 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)

Sources: 5, 6

Rank by EALHazardNRI risk ratingEAL ratingEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearCost of expected deaths and injuriesFEMA's dollar value per year, not property damageEAL total (see note)modeled dollars per yearStorm Events records, 1996 to 2026-06-30countStorm Events coverage note
1Inland FloodingRelatively ModerateRelatively Moderate$22,773,155$8,823$71,404$22,853,38236
2TornadoRelatively HighRelatively High$7,670,044$10,041$9,569,123$17,249,20820
3EarthquakeRelatively LowRelatively Moderate$2,194,952n/a$885,373$3,080,325Storm Events does not record earthquakes.
4Cold WaveRelatively ModerateRelatively Moderate$13,365$83,779$2,249,217$2,346,3616Includes 2 Frost/Freeze records (outside NRI's Cold Wave definition; counted in this table and in B1-d, not in the B1-e descriptor).
5Strong WindRelatively HighRelatively High$260,931$4,203$1,908,214$2,173,348271Includes 4 High Wind and 13 Strong Wind records (NOAA non-thunderstorm wind types, outside NRI's Strong Wind definition).
6Heat WaveRelatively LowRelatively Low$71$6,671$997,179$1,003,9217
7LightningRelatively ModerateRelatively Moderate$50,934n/a$465,760$516,69414
8HurricaneRelatively LowRelatively Low$309,013$59,264$15,345$383,6236Includes 2 Tropical Depression records (outside NRI's Hurricane definition).
9HailRelatively LowRelatively Low$262,886$12,721$10,645$286,252104
10WildfireRelatively LowRelatively Low$130,397$291$29,975$160,6630Declared 1 time; no Storm Events record of this type.
11DroughtRelatively LowRelatively Lown/a$96,628n/a$96,62838
12Ice StormRelatively LowRelatively Low$74,090n/a$10,232$84,3222
13Winter WeatherRelatively LowRelatively Low$4,093$125$15,738$19,95625
14LandslideRelatively LowRelatively Low$5,942n/a$3,410$9,3520No recorded events in Storm Events since 1996 (data through 2026-06-30).

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

NRI risk rating combines expected annual loss with social vulnerability and community resilience; EAL rating rates expected annual loss alone. Both compare this county with all U.S. counties.

Local data needed: state and local wildfire and landslide records (Storm Events records these hazards only in part).

Not applicable to this county per NRI, with no federal declaration and no Storm Events record since 1996: avalanche, coastal flooding, tsunami and volcanic activity. That is the evidence for leaving them out of the plan.

The state hazard mitigation plan also lists hazards for this county; FEMA asks the plan to explain any hazard it leaves out.

Supports FEMA checklist item B1-b: hazard location

Affects the whole county (national data give no location within it): Cold Wave, Drought, Hail, Heat Wave, Ice Storm, Lightning, Strong Wind and Winter Weather.

Inland Flooding: The 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.

Hazards that vary within the county: highest-rated census tracts

Source: 5

HazardHighest-rated census tractsNRI risk rating, score 0 to 100
Earthquaketract 12 (Relatively Moderate, 85.4); tract 13 (Relatively Moderate, 83.4); tract 104.02 (Relatively Moderate, 82.0)
Hurricanetract 104.02 (Relatively Low, 64.5); tract 111 (Relatively Low, 63.0); tract 11 (Relatively Low, 57.9)
Landslidetract 111 (Relatively Low, 95.1); tract 103 (Relatively Low, 93.4); tract 108 (Relatively Low, 92.5)
Tornadotract 104.02 (Very High, 99.8); tract 111 (Very High, 99.6); tract 11 (Very High, 99.4)
Wildfiretract 106.02 (Relatively Moderate, 89.1); tract 106.01 (Relatively Low, 87.1); tract 107 (Relatively Low, 86.0)

Up to 3 census tracts per hazard, highest National Risk Index rating first, then highest score; a tract number is the Census tract number (for example 12 is Census Tract 12). FEMA's Resilience Analysis and Planning Tool maps the National Risk Index for every tract: https://www.fema.gov/emergency-managers/practitioners/resilience-analysis-and-planning-tool

Supports FEMA checklist item B1-c: hazard extent

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

Sources: 6, 7

HazardScaleRecordscount and yearsObserved rangeWorst recorded eventMost damaging (when different)How it applies to jurisdictionsNote
Cold/Wind Chill, Extreme Cold/Wind Chillwind chill4 records, 1996 to 2014 (4 zone-level)2 days to 4 days (median 2.5 days); 4 with a recorded value4 consecutive days, 1996-03-07 to 1996-03-10, zone-levelCountywide (zone-level records).
Frost/Freeze (outside NRI's Cold Wave definition)crop damage2 records, 2007 (2 zone-level)No crop damage reported in 2 records.Countywide (zone-level records).
DroughtU.S. Drought Monitor scale (D0 to D4)38 records, 2006 to 2026 (38 zone-level)8 days to 519 days (median 36 days); 9 with a recorded value519 days (about 17.0 months), 2007-03-27 to 2008-08-26, a run of 18 consecutive Storm Events drought records, zone-levelCountywide (zone-level records).Storm 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)0Storm Events does not record earthquakes; the USGS earthquake catalog is the source.
Hailhail size (inches)134 records, 1961 to 20260.75 in to 4.5 in (median 1 in); 133 with a recorded value4.5 in hail, 1993-02-21Hail, 2003-05-02, $75,000 property; $0 crops (2003 dollars)Event records naming jurisdictions in the plan: Gadsden city (17 records), Hokes Bluff city (11 records), Rainbow City city (11 records), Glencoe city (8 records), Attalla city (5 records), Sardis City town (5 records), Southside city (5 records), Walnut Grove town (5 records), Altoona town (2 records), Reece City town (2 records).
Excessive Heat, Heatheat index (in event narratives)7 records, 1996 to 2025 (7 zone-level)1 day to 16 days (median 1.5 days); 6 with a recorded value16 consecutive days, 2007-08-08 to 2007-08-23, zone-levelCountywide (zone-level records).Heat records from November to March (unseasonable warmth, not a heat wave) are counted but not used for the longest run.
Hurricane, Tropical Storm, Tropical DepressionSaffir-Simpson6 records, 2005 to 2020 (6 zone-level)Strongest recorded: Tropical Storm record, 2005-08-29 to 2005-08-30, $25,000 property; crops not reported (2005 dollars); NWS zone ALZ018Countywide (zone-level records).Storm Events files every zone of a storm's episode under the storm's type; flooding from the storm is filed as Flood or Flash Flood records.
Ice StormSperry-Piltz ice scale (local data)2 records, 1998 to 2005 (2 zone-level)Ice Storm, 2005-01-28, $20,000 property; crops not reported (2005 dollars); NWS zone ALZ018Countywide (zone-level records).
Flash Flood, Flood, Lakeshore Flooddamage and flood days (flood depth: FIRM)36 records, 1997 to 2026 (2 zone-level)Flash Flood, 2004-11-24, $200,000 property; crops not reported (2004 dollars)Event records naming jurisdictions in the plan: Gadsden city (9 records), Altoona town (3 records), Rainbow City city (2 records), Walnut Grove town (2 records), Attalla city (1 record). Zone-level records (2) apply countywide.Flood depth: see the FEMA Flood Insurance Rate Map. Storm Events damage is often $0 or blank for floods, major ones included; FEMA Public Assistance by declaration (B1-d) shows which floods cost the most.
Debris Flownone (count and damage only)0
Lightningannualized frequency (the measure FEMA's Local Mitigation Planning Handbook names)14 records, 1996 to 2010Lightning, 2005-07-27, $110,000 property; crops not reported (2005 dollars)Event records naming jurisdictions in the plan: Gadsden city (4 records), Hokes Bluff city (1 record), Rainbow City city (1 record), Southside city (1 record), Walnut Grove town (1 record).Storm Events lists lightning with damage or casualties.
High Wind and Strong Wind (outside NRI's Strong Wind definition)wind speed (kt and mph)17 records, 1996 to 2025 (17 zone-level)30 kt (35 mph) to 52 kt (60 mph) (median 40 kt (46 mph)); 17 with a recorded value52 kt (60 mph) estimated gust, High Wind, 2004-09-16; NWS zone ALZ018Countywide (zone-level records).
Thunderstorm Windwind speed (kt and mph)335 records, 1962 to 202635 kt (40 mph) to 87 kt (100 mph) (median 50 kt (58 mph)); 266 with a recorded value87 kt (100 mph) estimated gust, Thunderstorm Wind, 2008-08-02Thunderstorm Wind, 1999-02-27, $800,000 property; $0 crops (1999 dollars)Event records naming jurisdictions in the plan: Gadsden city (40 records), Hokes Bluff city (19 records), Rainbow City city (17 records), Sardis City town (12 records), Attalla city (10 records), Glencoe city (10 records), Walnut Grove town (10 records), Altoona town (9 records), Reece City town (5 records), Southside city (2 records).
TornadoEnhanced Fujita (Fujita before Feb 2007)34 records, 1958 to 2023F/EF0 to F/EF4 (median F/EF1); 34 with a recorded valueF4 tornado, 2001-11-24, 1.8 mi within this county, 500 yd wide, $1,500,000 property; $0 crops (2001 dollars)Tornado, 2000-12-16, $10,000,000 property; $0 crops (2000 dollars)Event records naming jurisdictions in the plan: Sardis City town (3 records), Altoona town (2 records), Attalla city (2 records), Glencoe city (2 records), Hokes Bluff city (2 records), Gadsden city (1 record), Rainbow City city (1 record), Reece City town (1 record), Southside city (1 record), Walnut Grove town (1 record).Before 1996 a tornado is listed once, under the county where it began, with its whole path's rating and length; from 1996 on, each county lists its own segment. Length is not used to rank tornadoes (see Methods).
Wildfireacres burned (local data)0
Winter Storm, Heavy Snow, Blizzard, Lake-Effect Snow, Winter Weather, Sleetnone in data (snowfall: local data)25 records, 1996 to 2026 (25 zone-level)Winter Storm, 1996-02-01, $15,000 property; crops not reported (1996 dollars); NWS zone ALZ018Winter Storm, 2000-01-28, $15,000 property; $0 crops (zone total, 2000 dollars)Countywide (zone-level records).

In event narratives only (local data needed): wind chill, temperature, heat index, ice thickness, acres burned and snow depth; any physical measure of debris flow and lightning.

Storm Events records are more complete after 1996; before 1996 only Tornado (from 1950), Hail and Thunderstorm Wind (from 1955) exist. Zone-level records from zones that no NWS zone-county file places in this county (mostly before 2020) are not counted here (the Methods page explains the zone matching).

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

Supports FEMA checklist item B1-d: previous occurrences

Federal declarations for this county: 29 declarations covering 24 separate hazard incidents counted in this packet (declarations for the same incident count once; non-natural and evacuation-only declarations are not counted).

Federal disaster declarations for this county

Sources: 1, 2, 3

DeclaredIncident beganFEMA numberTypeTitleMapped hazardCounty Public Assistancefederal share obligated, nominal dollarsFlagsNotes
2024-09-262024-09-22EM-3618-ALEmergencyHurricane HeleneHurricane (primary); also designated: Tornadono Public Assistance recordednew since last plan; within last 5 years
2020-09-142020-09-14EM-3545-ALEmergencyHurricane SallyHurricaneno Public Assistance recordedin the 12 months before plan approval
2020-07-102020-04-12DR-4555-ALMajor disasterSevere ThunderstormsHazard not mapped (severe storm title names no single hazard); not counted$1,129,238.08in the 12 months before plan approval
2020-03-292020-01-20DR-4503-ALMajor disasterCOVID-19 PandemicNon-natural, not counted$223,197.45in the 12 months before plan approval
2020-03-132020-01-20EM-3472-ALEmergencyCOVID-19Non-natural, not countedno Public Assistance recordedsame incident as DR-4503
2018-04-262018-03-19DR-4362-ALMajor disasterSevere Storms and TornadoesTornado$971,185.92
2017-09-112017-09-08EM-3389-ALEmergencyHurricane IrmaHurricaneno Public Assistance recorded
2014-05-022014-04-28DR-4176-ALMajor disasterSevere Storms, Tornadoes, Straight-Line Winds, and FloodingInland Flooding; Strong Wind; Tornado$638,887.94
2011-04-282011-04-15DR-1971-ALMajor disasterSevere Storms, Tornadoes, Straight-Line Winds, and FloodingInland Flooding; Strong Wind; Tornado$176,580.95
2011-04-272011-04-27EM-3319-ALEmergencySevere Storms, Tornadoes, and Straight-Line WindsStrong Wind; Tornadono Public Assistance recordedsame incident as DR-1971
2008-08-302008-08-29EM-3292-ALEmergencyHurricane GustavHurricaneno Public Assistance recorded
2005-09-102005-08-29EM-3237-ALEmergencyHurricane Katrina EvacuationHurricane: evacuation support, not a local hazard event; not countedno Public Assistance recorded
2004-09-152004-09-13DR-1549-ALMajor disasterHurricane IvanHurricanePA not declared for this county
2003-05-122003-05-05DR-1466-ALMajor disasterSevere Storms, Tornadoes, and FloodingInland Flooding; TornadoPA not declared for this county
2002-11-142002-11-05DR-1442-ALMajor disasterSevere Storms and TornadoesTornadoPA not declared for this county
2001-12-072001-11-24DR-1399-ALMajor disasterSevere Storms and TornadoesTornado$396,474.69
2001-11-202001-11-20FM-2395-ALFire managementAl - North East Alabama Fire Complex - 11/20/2001Wildfireno Public Assistance recorded
2000-12-182000-12-16DR-1352-ALMajor disasterSevere Storms and TornadoesTornado$256,108.01
1996-02-231996-02-01DR-1104-ALMajor disasterSevere Winter Storms, Ice and FloodingInland Flooding; Winter Weatherno Public Assistance recorded
1995-10-041995-10-04DR-1070-ALMajor disasterHurricane OpalHurricaneno Public Assistance recorded
1994-03-031994-01-16DR-1013-ALMajor disasterSevere Winter Storms, Freezing, FloodingInland Flooding; Winter Weatherno Public Assistance recorded
1993-03-151993-03-13EM-3096-ALEmergencySevere Snowfall, Winter StormWinter Weatherno Public Assistance recorded
1990-02-171990-02-03DR-856-ALMajor disasterSevere Storms, Tornadoes & FloodingInland Flooding; Tornadono Public Assistance recorded
1979-04-181979-04-18DR-578-ALMajor disasterStorms, Wind, FloodingInland FloodingPA not declared for this county
1977-07-201977-07-20EM-3045-ALEmergencyDroughtDroughtno Public Assistance recorded
1977-04-091977-04-09DR-532-ALMajor disasterSevere Storms & FloodingInland Floodingno Public Assistance recorded
1974-04-041974-04-04DR-422-ALMajor disasterTornadoesTornadono Public Assistance recorded
1973-05-291973-05-29DR-388-ALMajor disasterSevere Storms & FloodingInland Floodingno Public Assistance recorded
1973-03-271973-03-27DR-369-ALMajor disasterTornadoes & FloodingTornado (primary); also designated: Inland Floodingno Public Assistance recorded

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.

Statewide declarations

Source: 2

DeclaredIncident beganFEMA numberTypeTitleMapped hazard
1961-02-271961-02-27DR-109-ALMajor disasterFloodsInland Flooding

FEMA recorded these with designated area Statewide and no county, so they are listed on every county page in the state and not counted with county rows. Local data needed: whether each one affected this county.

Previous occurrences by hazard, with explicit no-event rows

Sources: 2, 6, 7

HazardStorm Events records, all years on file(years in the Period column)Since plan approvalrecordsIn the 12 months before plan approvalrecordsLast 5 yearsrecordsDeclared incidents, all yearsseparate disastersDeclared since approvalseparate disastersPeriodStatement
Cold Wave6000001996 to 2026-06-30Includes 2 Frost/Freeze records.
Drought38909101996 to 2026-06-30
Earthquake000000Storm Events does not record earthquakes; the USGS earthquake catalog is the source.
Hail134928001955 to 2026-06-30
Heat Wave7202001996 to 2026-06-30
Hurricane6010611996 to 2026-06-30Includes 2 Tropical Depression records.
Ice Storm2000001996 to 2026-06-30
Inland Flooding365141001996 to 2026-06-30
Landslide0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Lightning14000001996 to 2026-06-30
Strong Wind35242140201955 to 2026-06-30Includes 4 High Wind and 13 Strong Wind records.
Tornado342321111950 to 2026-06-30
Wildfire0000101996 to 2026-06-30No Storm Events records of this type; 1 federal declared incident (see declarations table)
Winter Weather25202301996 to 2026-06-30

Notable Storm Events records

Sources: 1, 6, 7

DateEvent typeMagnitude or extentDamagenominal dollarsDeaths, injuriesdirect onlyLocationFlagsWhy listed
2023-08-03Thunderstorm Wind70 kt (81 mph) estimated gust$0 property; $0 crops (2023 dollars)0, 20NOCCALULA FALLSnew since last plan; within last 5 yearsdeaths or injuries recorded
2008-08-02Thunderstorm Wind87 kt (100 mph) estimated gust$154,000 property; $0 crops (2008 dollars)0, 0WILLIAMS to MARKTONB1-c worst recorded: Thunderstorm Wind
2007-08-08Heat$0 property; $0 crops (zone total, 2007 dollars)0, 17NWS zone ALZ018 (ETOWAH), zone-leveldeaths or injuries recorded
2007-03-27Drought$0 property; crops not reported (zone total, 2007 dollars)0, 0NWS zone ALZ018 (ETOWAH), zone-levelB1-c worst recorded: Drought
2005-08-29Tropical Storm$25,000 property; crops not reported (zone total, 2005 dollars)0, 0NWS zone ALZ018 (ETOWAH), zone-levelB1-c worst recorded: Hurricane, Tropical Storm, Tropical Depression
2005-07-27Lightning$110,000 property; crops not reported (2005 dollars)0, 0COUNTYWIDEB1-c worst recorded: Lightning
2004-11-24Flash Flood$200,000 property; crops not reported (2004 dollars)0, 0COUNTYWIDEB1-c worst recorded: Flash Flood, Flood, Lakeshore Flood
2004-09-16High Wind52 kt (60 mph) estimated gust$180,000 property; crops not reported (zone total, 2004 dollars)0, 0NWS zone ALZ018 (ETOWAH), zone-levelB1-c worst recorded: High Wind and Strong Wind
2001-11-24TornadoF4, 1.8 mi within this county, 500 yd wide$1,500,000 property; $0 crops (2001 dollars)0, 0ALTOONAB1-c worst recorded: Tornado
2000-12-16TornadoF3, 8.1 mi within this county, 500 yd wide$10,000,000 property; $0 crops (2000 dollars)0, 14GADSDENdeaths or injuries recorded
1996-03-07Cold/Wind Chillproperty not reported; $1,000,000 crops (zone total, 1996 dollars)0, 0NWS zone ALZ018 (ETOWAH), zone-levelB1-c worst recorded: Cold/Wind Chill, Extreme Cold/Wind Chill
1993-02-21Hail4.5 indamage not recorded (pre-1996 record)0, 0location not recordedB1-c worst recorded: Hail

The full list is in the Excel file, sheet "B1-d Storm Events history" (654 rows).

Location is the place NOAA recorded, as written in its data; it need not be a jurisdiction in this plan.

Local data needed: state-declared emergencies, from your state emergency management agency (federal data do not include them).

Tribal and special-area declarations in this state are listed on the state page.

Supports FEMA checklist item B1-e: probability of future events

Probability: FEMA annualized frequency and descriptor per hazard

Sources: 5, 6

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
Cold Wave0.895event-days per yearabout 0.895 days per yearLikelyStorm Events event-days in 3 of 30 years, 1996 to 2025 (10%)172005-11-12 to 2024-11-12 (19 years)countywide
Drought28.4event-days per yearabout 28.4 days per yearLikelyStorm Events event-days in 8 of 30 years, 1996 to 2025 (26.7%)8192000 to 2025 (25.25 years; D3 and D4 only)countywide
Earthquake0.00293annual probability at a locationchance a given location in the county has at least minor-damage shaking in a year: 0.293%not shownmodeledsee B1-fNo descriptor (Storm Events does not record earthquakes).
Hail4.83events per yearabout 4.83 per yearHighly likelyFEMA annualized frequency (modeled)183.4 (modeled)1986 to 2023 (38 years)countywide
Heat Wave4.63event-days per yearabout 4.63 days per yearLikelyStorm Events event-days in 5 of 30 years, 1996 to 2025 (16.7%)782005-11-12 to 2024-11-12 (19 years)countywide
Hurricane0.0349events per yearabout 1 in 29 yearsPossibleFEMA annualized frequency (modeled)121851 to 2024 (Atlantic)see B1-fNRI counts hurricane and tropical storm tracks passing within storm-force wind range; federal declarations are in B1-d.
Ice Storm0.452event-days per yearabout 0.452 days per yearPossibleStorm Events event-days in 2 of 30 years, 1996 to 2025 (6.67%)311946-12-31 to 2014-02-12 (67 years)countywide
Inland Flooding0.964event-days per yearabout 0.964 days per yearLikelyStorm Events event-days in 17 of 30 years, 1996 to 2025 (56.7%)271996 to 2023 (28 years)see B1-f
Landslide0.476events per year (modeled)about 1 in 2 yearsLikelyFEMA annualized frequency (modeled)not shownmodeledsee B1-f
Lightning63.2days per year with a strikeabout 63.2 days per yearHighly likelyFEMA annualized frequency (modeled)not shown1995 to 2023 (29 years; CONUS)countywide
Strong Wind4.06events per yearabout 4.06 per yearHighly likelyFEMA annualized frequency (modeled)1551986 to 2023 (38 years)countywide
Tornado0.527events per yearabout 0.53 per yearLikelyFEMA annualized frequency (modeled)not shown1950 to 2023 (EF2+); 1986 to 2023 (EF0-1)see B1-f
Wildfire0.00191annual probability at a locationchance a given location in the county burns in a year: 0.191%Storm Events records in 0 of 30 years, 1996 to 2025 (0%)not shownmodeledsee B1-fNo descriptor: no Storm Events record 1996 to 2025
Winter Weather3.68event-days per yearabout 3.68 days per yearLikelyStorm Events event-days in 14 of 30 years, 1996 to 2025 (46.7%)702005-11-12 to 2024-11-12 (19 years)countywide

FEMA annualized frequency (modeled) is the National Risk Index v1.20 (December 2025) estimate of how often a hazard affects this county in a year; it is not recorded events divided by years, and its unit differs by hazard (events, event-days, or days with a lightning strike per year). For earthquake, wildfire, coastal flooding and tsunami the value is the chance (or number of events) at a location in the county, not across the county, so no "1 in N years" is given and the descriptor comes from Storm Events where it has a record (none for earthquake). The Methods page gives each hazard's method, from FEMA's National Risk Index Technical Documentation v1.20.

Where NRI gives event-days, the descriptor comes from the share of years with a Storm Events record; NRI's source records more events, so the two differ.

Descriptor scale used in this packet (defined per unit)

Sources: 5, 6

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

Intensity bands: historical frequency (Storm Events)

Source: 6

HazardBandYearsEventscounty-coded recordsYears in periodEvents per yearevents / years
Hail1.00-1.99 in1996 to 202567302.23
Hail2.00 in+1996 to 20254300.133
Thunderstorm Wind (counted as NRI Strong Wind)50-64 kt1996 to 2025227307.57
Thunderstorm Wind (counted as NRI Strong Wind)65 kt+1996 to 20257300.233
Thunderstorm Wind (counted as NRI Strong Wind)unmeasured or below 50 kt1996 to 202511300.367
TornadoEF0-11996 to 202514300.467
TornadoEF2-31996 to 20255300.167
TornadoEF4-51996 to 20251300.0333
Tornadounrated (EFU)1996 to 20250300

The bands show how often events of each severity were recorded in this county, to profile how severe events have been (FEMA's probability item asks for the range of intensities).

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.

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 (https://resilience.climate.gov/).

Supports FEMA checklist item B1-f: hazards that vary across jurisdictions

Range of census tract risk within the county

Source: 5

HazardTractsrated of allNRI risk score, 0 to 100Tracts by rating
MinMedianMax
Cold Wave33 of 3337.362.482.9Relatively High 2, Relatively Moderate 27, Relatively Low 4
Drought14 of 3369.183.493.1Relatively Moderate 1, Relatively Low 10, Very Low 3, No Rating 19
Earthquake33 of 3333.270.585.4Relatively Moderate 7, Relatively Low 25, Very Low 1
Hail33 of 3336.355.575.5Relatively Moderate 1, Relatively Low 31, Very Low 1
Heat Wave33 of 3317.647.973.2Relatively Moderate 7, Relatively Low 26
Hurricane33 of 3345.054.064.5Relatively Low 24, Very Low 9
Ice Storm33 of 3311.134.663.2Relatively Low 17, Very Low 16
Inland Flooding33 of 3318.663.197.7Very High 1, Relatively High 4, Relatively Moderate 19, Relatively Low 9
Landslide33 of 3314.180.395.1Relatively Low 15, Very Low 18
Lightning33 of 3336.864.087.8Relatively High 5, Relatively Moderate 23, Relatively Low 5
Strong Wind33 of 3366.186.096.1Relatively High 24, Relatively Moderate 9
Tornado33 of 3378.096.999.8Very High 25, Relatively High 8
Wildfire30 of 3321.478.189.1Relatively Moderate 1, Relatively Low 19, Very Low 10, No Rating 3
Winter Weather33 of 3320.327.640.4Relatively Low 33

Drought: Agriculture is all of NRI's expected annual loss for this hazard in the county, so the tract range mostly reflects where crop and livestock value is.

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.

The score ranks a tract against all U.S. tracts (100 = highest). The rating is FEMA's category for the tract's risk value, computed differently, so the two can disagree.

Frequency data for cold wave, drought, hail, heat wave, ice storm, lightning, strong wind and winter weather are county-wide or coarse (49 km grid or NWS zone), the same for every jurisdiction; the tract range mostly reflects where buildings and people are (crop and livestock value where a line above names agriculture).

Each jurisdiction (starting figures from federal data)

Sources: 1, 3, 4, 6

JurisdictionTypePlan statusRepetitive lossFMA RL and SRL (44 CFR 77.2); repeat-flood, any definitionPublic Assistance to this jurisdictionFEMA records matched by applicant name; federal share obligated, nominal dollarsEvent records naming this placeall years; since its planNotes
Etowah County (unincorporated area)UnincorporatedExpired on 2026-03-16FMA RL 0, SRL 0; any 3$1,884,961.910 total; 0 since its planIncludes $836,012.11 for declarations not counted as hazard incidents (DR-4503-AL, DR-4555-AL).
Altoona townTownExpired on 2026-03-16FMA RL 0, SRL 0; any 0$382,074.1516 total; 3 since its plan
Attalla cityCityExpired on 2026-03-16FMA RL 0, SRL 0; any 2no Public Assistance recorded18 total; 2 since its plan
Gadsden cityCityExpired on 2026-03-16FMA RL 0, SRL 1; any 2$145,130.5971 total; 5 since its planIncludes $130,075.41 for declarations not counted as hazard incidents (DR-4503-AL, DR-4555-AL).
Glencoe cityCityExpired on 2026-03-16FMA RL 0, SRL 0; any 0$40,030.4420 total; 5 since its plan
Hokes Bluff cityCityExpired on 2026-03-16FMA RL 0, SRL 0; any 0no Public Assistance recorded33 total; 6 since its plan
Rainbow City cityCityExpired on 2026-03-16FMA RL 0, SRL 0; any 4$359,216.3632 total; 3 since its planIncludes $3,796.49 for declarations not counted as hazard incidents (DR-4503-AL).
Reece City townTownExpired on 2026-03-16FMA RL 0, SRL 0; any 0$308,163.908 total; 1 since its planIncludes $308,163.90 for declarations not counted as hazard incidents (DR-4555-AL).
Ridgeville townTownExpired on 2026-03-16FMA RL 0, SRL 0; any 0$7,532.800 total; 0 since its plan
Sardis City townTownExpired on 2026-03-16FMA RL 0, SRL 0; any 0no Public Assistance recorded20 total; 3 since its plan
Southside cityCityExpired on 2026-03-16FMA RL 0, SRL 0; any 0$553,398.019 total; 1 since its plan
Walnut Grove townTownExpired on 2026-03-16FMA RL 0, SRL 0; any 0no Public Assistance recorded19 total; 1 since its plan

Repetitive-loss counts are for whole NFIP communities, which can extend beyond this county (see the note in B2-c).

County Public Assistance in B1-d also includes applicants filed under the county that are not jurisdictions in this plan (for example state agencies, special districts and nonprofits), so the jurisdiction rows add up to less.

Supports FEMA checklist items B2-a and B2-b: vulnerability and potential impacts

Local data needed

The table below gives county-level starting figures; the plan describes impacts for each jurisdiction and its own assets.

  • Critical facilities and lifelines per hazard
  • A problem statement per jurisdiction 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

Sources: 1, 2, 3, 5, 6, 7

HazardBuilding exposuremodeled dollarsAgriculture exposuremodeled dollarsPopulation exposedpeopleEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearCost of expected deaths and injuriesFEMA's dollar value per year, not property damageEAL as % of exposurebuildings; agriculture where notedStorm Events damage since 2021-03-17county-coded records, property plus crops, nominal dollarsZone-level damage since planproperty plus crops, reported for the zonePublic Assistance since plannominal dollars; see noteNote
Cold Wave$21,329,110,232$120,305,377103,320$13,365$83,779$2,249,217under 0.0001%
Droughtn/a$7,473,450n/an/a$96,628n/a1.29% (agriculture)$0NRI has no building exposure for this hazard; agriculture shown
Earthquake$37,629,522,364n/a103,436$2,194,952n/a$885,3730.00583%
Hail$21,329,110,232$120,305,377103,320$262,886$12,721$10,6450.00123%$0
Heat Wave$21,329,110,232$120,305,377103,320$71$6,671$997,179under 0.0001%$0
Hurricane$21,329,076,357$120,286,456103,320$309,013$59,264$15,3450.00145%no Public Assistance recorded (1 declaration)
Ice Storm$21,321,418,599n/a103,284$74,090n/a$10,2320.000347%
Inland Flooding$21,293,805,178$13,169,5612,613$22,773,155$8,823$71,404n/a (see note)$0NRI 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.
Landslide$614,942,409n/a3,449$5,942n/a$3,4100.000966%
Lightning$21,329,110,232n/a103,320$50,934n/a$465,7600.000239%
Strong Wind$21,329,110,232$120,305,377103,320$260,931$4,203$1,908,2140.00122%$2,000
Tornado$21,329,110,232$120,305,377103,320$7,670,044$10,041$9,569,1230.036%$0no Public Assistance recorded (1 declaration)
Wildfire$1,447,878,763$19,307,51912,321$130,397$291$29,9750.00901%
Winter Weather$21,329,110,232$120,305,377103,320$4,093$125$15,738under 0.0001%$0

Totals since 2021-03-17 (Storm Events through 2026-06-30): 57 county-coded records, 57 with a damage value recorded (including $0), $2,000; 14 zone-level records, 13 with a damage value recorded (including $0), $0 reported for the zone; Public Assistance: none recorded on the 1 counted declaration.

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 does not add up to the total; the unit total counts each declaration once.

NRI computes earthquake exposure on its own basis, so it exceeds the county building value in B2-a.

Supports FEMA checklist item B2-a: vulnerability (county context)

County context

Source: 5

MeasureValue
Population103,320
Building value (total, not at risk)$21,329,110,232
Agriculture value (total, not at risk)$120,305,377
NRI risk rating (all hazards)Relatively Moderate
Expected annual loss, buildings and agriculture, all hazards$34,032,419
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)$16,231,617
Social vulnerability ratingRelatively High
Community resilience ratingRelatively Moderate
NRI versionDecember 2025

FEMA's all-hazard expected annual loss adds buildings, agriculture and population equivalence; this table gives the property part and the population-equivalence part as separate rows.

Social vulnerability: higher means people are more likely to be harmed and slower to recover. Community resilience: lower means the community is less able to recover. High social vulnerability and low resilience both raise the NRI risk rating.

Supports FEMA checklist item B2-c: repetitive loss properties

Repetitive loss in this county, both definitions

Sources: 1, 4

DefinitionPropertiesSevere repetitive lossProperties
Repetitive loss, FMA definition (44 CFR 77.2)0Severe repetitive loss, FMA definition (44 CFR 77.2)1
Repetitive loss, NFIP insurance definition11Severe repetitive loss, NFIP insurance definition1

The state NFIP coordinator's list, the source FEMA's Handbook names, often uses the NFIP insurance definition (second row).

Repeat-flood properties: county and state-level rows

Sources: 1, 4

ScopeRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
County total011111104
of which: Etowah County (unincorporated area)0030302
of which: Attalla city0020200
of which: Gadsden city0121201
of which: Rainbow City city0040401
Statewide, no county in FEMA's file0030300

The statewide row counts properties FEMA's file gives with no county in this state; they are listed for reference and are not in this county's counts.

Repeat-flood properties by jurisdiction in the plan (NFIP community)

Sources: 1, 4

JurisdictionNFIP community IDRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
Etowah County (unincorporated area)0100770030302
Altoona town0100780000000
Attalla city0100790020200
Gadsden city0100800121201
Glencoe city0100810000000
Hokes Bluff city0102540000000
Rainbow City city0103510040401
Reece City town0102530000000
Ridgeville town0104930000000
Sardis City town0103610000000
Southside city0100820000000
Walnut Grove town0102520000000

Counts by occupancy group for each jurisdiction are in the Excel file, sheet "B2-c Jurisdictions".

Jurisdiction 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 jurisdiction row, while the county table counts only its part in this county.

County repeat-flood properties by occupancy group

Sources: 1, 4

Occupancy groupRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
single-family residential0090904
2 to 4 unit residential0000000
other residential0000000
non-residential0121200
not reported0000000

FEMA's occupancy groups have no institutional class; institutional properties are counted 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. NFIP repetitive loss (the FEMA insurance definition) is 2 or more claims over $1,000 in 10 years, and a property can leave that group once it is mitigated. Also shown: NFIP severe repetitive loss, any category, mitigated and currently insured. The Methods page gives the OpenFEMA field details.

Counts are aggregates of FEMA's public NFIP Multiple Loss Properties file (FEMA's data date 2026-08-02; file version 2026-08-04). No property is identified. County assignment is FEMA's geocode.

In this county 0 properties are FMA repetitive loss but not NFIP repetitive loss, and 11 properties are NFIP repetitive loss but not FMA repetitive loss.

Exact counts; no count suppression.

Sources

Tables cite these sources by number. The full list, for the plan's bibliography (FEMA review item A4-a):

  1. FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-29T134039Z, pulled 2026-09-30, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)
  2. FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-29T162832Z, pulled 2026-09-30, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)
  3. FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-29T150754Z, pulled 2026-09-30, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)
  4. FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-30, 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 2026-09-30, 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 2026-09-30, 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 2026-09-30, 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 2026-09-30, 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 (used to match place names and codes; no table prints its values)

What this packet is and what the plan adds

This packet is the federal data for the plan's risk assessment (the summary on page 1 says how it is organized); the plan and FEMA's review decide whether each item is met.

The plan adds what only the community has: local data on assets, critical facilities, development and each jurisdiction's impacts; local hazard history, including state-declared emergencies; the mitigation strategy; and adoption.

How the federal data are built: National Risk Index values are FEMA's model, not counts of events. Storm Events is more complete from 1996; zone-level records are placed by forecast zone, not by location in the county. Public Assistance for a jurisdiction is matched by applicant name. The Methods page gives every rule and the known edge cases.

OpenFEMA disclaimer

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Reuse, citation and corrections

Reuse and citation: Hazard Plain text and tables are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0, https://creativecommons.org/licenses/by/4.0/); credit Hazard Plain and the release. The underlying federal data are public domain; OpenFEMA data are also subject to the OpenFEMA terms and conditions.

Cite this: Hazard Plain (2026). Etowah County, AL: risk-assessment baseline packet, release 2026-10 (data as of 2026-09-30; County FIPS 01055). Automated baseline. https://hazardplain.org/al/01055/ Built from FEMA OpenFEMA, the FEMA National Risk Index and NOAA NCEI Storm Events; source versions in the packet's Sources list.

Corrections: to report an error, name the packet, the table and what your records show. Contact: contact@hazardplain.org