Hazard Plain Automated baseline

Washita County, OK

Risk-assessment baseline packet

County FIPS:
40149
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: Approved, expires 2030-08-06. Plan: Washita County (FEMA plan 110670), approved 2025-08-07.

Since the plan was approved on 2025-08-07: no new hazard declaration and 28 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 ($1,604,173 a year), Tornado ($1,203,941) and Drought ($1,164,943).

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:
Approved, expires 2030-08-06
Plan:
Washita County (FEMA plan 110670)
Approved:
2025-08-07
Days to expiry:
1,406

What changed since your last plan (approved 2025-08-07)

New federal declarations:
none
Storm Events records since approval:
28 records (data through 2026-06-30)
Repetitive loss now:
FMA RL 0, SRL 0 (44 CFR 77.2); any definition: 0
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: 19 rows, in the section "Plan clock: Plan status for every jurisdiction listed in this county" on the following pages.

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

Plan clock

Plan status for every jurisdiction listed in this county

Source: 1

JurisdictionTypeStatusPlanApprovedExpiresDays to expirynegative = days since expiryUpdate underwayNotes
Washita CountyCountyApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-25
Bessie townTownApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-25
Burns Flat townTownApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-25
Canute townTownApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-27
Clinton cityCityApproved, expires 2030-04-09Custer County (FEMA plan 110337)2025-04-102030-04-091,287this jurisdiction approved 2025-06-25
Colony townTownApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-06
Corn townTownApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-19
Dill City townTownPlan 110670 approved 2025-08-07, pending adoption here; not yet eligibleWashita County (FEMA plan 110670), pending adoption here2025-08-07 by FEMA; not yet adopted here2030-08-06 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Foss townTownApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-25
New Cordell cityCityApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-09-10
Rocky townTownApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-12-17
Sentinel townTownApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-27
Burns Flat-Dill City SchoolsSchool/School DistrictApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-25
Canute Public SchoolsSchool/School DistrictApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-27
Cordell Public SchoolsSchool/School DistrictApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-25
Elk City Public SchoolsSchool/School DistrictApproved, expires 2027-09-13Beckham County (FEMA plan 106682)2022-09-142027-09-13348
Merritt Public SchoolsSchool/School DistrictApproved, expires 2027-09-13Beckham County (FEMA plan 106682)2022-09-142027-09-13348
Mountain View-Gotebo SchoolsSchool/School DistrictApproved, expires 2027-10-16Kiowa County (FEMA plan 106492)2022-10-172027-10-16381
Sentinel Public SchoolsSchool/School DistrictApproved, expires 2030-08-06Washita County (FEMA plan 110670)2025-08-072030-08-061,406this jurisdiction approved 2025-08-27

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 FloodingVery LowVery Low$1,580,264$19,583$4,326$1,604,17317
2TornadoRelatively LowRelatively Low$586,991$5,960$610,989$1,203,94122
3DroughtRelatively HighRelatively Moderaten/a$1,164,943n/a$1,164,943123
4Cold WaveRelatively LowRelatively Low$3,254$227,269$476,724$707,24711Includes 1 Frost/Freeze record (outside NRI's Cold Wave definition; counted in this table and in B1-d, not in the B1-e descriptor).
5Strong WindRelatively ModerateRelatively Moderate$443,947$731$157,925$602,603244Includes 34 High Wind and 1 Strong Wind records (NOAA non-thunderstorm wind types, outside NRI's Strong Wind definition).
6Ice StormRelatively HighRelatively High$468,666n/a$78,356$547,0228
7HailRelatively ModerateRelatively Low$431,993$47,716$40,654$520,363265
8Heat WaveRelatively LowRelatively Low$33$320$193,258$193,61142
9EarthquakeVery LowVery Low$83,039n/a$34,583$117,622Storm Events does not record earthquakes.
10WildfireRelatively LowRelatively Low$92,504$1,263$13,800$107,5670Declared 1 time; no Storm Events record of this type.
11Winter WeatherRelatively LowRelatively Low$25,865$1,605$23,240$50,71143
12LightningVery LowVery Low$4,554n/a$12,211$16,7653
13HurricaneVery LowVery Low$1,636$4,562$20$6,2170No recorded events in Storm Events since 1996 (data through 2026-06-30).
14LandslideVery LowVery Low$18n/a$494$5120No 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 9651 (Relatively Low, 65.5); tract 9649 (Relatively Low, 63.1); tract 9654 (Relatively Low, 47.1)
Hurricanetract 9649 (Very Low, 45.3); tract 9654 (Very Low, 41.2); tract 9651 (Very Low, 36.6)
Landslidetract 9654 (Relatively Low, 87.9); tract 9649 (Relatively Low, 84.8); tract 9651 (Relatively Low, 84.8)
Tornadotract 9651 (Very High, 96.3); tract 9649 (Very High, 95.6); tract 9654 (Relatively High, 87.2)
Wildfiretract 9649 (Relatively Moderate, 94.0); tract 9654 (Relatively Moderate, 91.8); tract 9651 (Relatively Moderate, 88.8)

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 9651 is Census Tract 9651). 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 chill10 records, 1996 to 2025 (10 zone-level)1 day to 5 days (median 3 days); 9 with a recorded value5 consecutive days, 1996-02-01 to 1996-02-05, zone-levelCountywide (zone-level records).
Frost/Freeze (outside NRI's Cold Wave definition)crop damage1 record, 2023 (1 zone-level)No crop damage reported in 1 record.Countywide (zone-level records).
DroughtU.S. Drought Monitor scale (D0 to D4)123 records, 2000 to 2026 (123 zone-level)1 day to 550 days (median 84 days); 19 with a recorded value550 days (about 18.1 months), 2012-07-01 to 2014-01-01, a run of 19 consecutive Storm Events drought records, zone-levelDrought, 2000-08-01, property not reported; $8,330,000 crops (zone total, 2000 dollars)Countywide (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)450 records, 1955 to 2026 (1 zone-level)0.75 in to 4.5 in (median 1 in); 450 with a recorded value4.5 in hail, 1977-07-31Hail, 1999-04-24, $75,000 property; crops not reported (1999 dollars)Event records naming jurisdictions in the plan: Burns Flat town (32 records), Canute town (29 records), Sentinel town (25 records), Colony town (21 records), Dill City town (21 records), Corn town (16 records), Bessie town (15 records), Rocky town (15 records), Foss town (11 records). Zone-level records (1) apply countywide.
Excessive Heat, Heatheat index (in event narratives)42 records, 2001 to 2026 (42 zone-level)1 day to 29 days (median 1 day); 20 with a recorded value29 consecutive days, 2006-07-16 to 2006-08-13, zone-levelCountywide (zone-level records).
Hurricane, Tropical Storm, Tropical DepressionSaffir-Simpson0Storm 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)8 records, 1997 to 2020 (8 zone-level)Ice Storm, 2015-11-27, $616,000 property; crops not reported (2015 dollars); NWS zone OKZ022Countywide (zone-level records).
Flash Flood, Flood, Lakeshore Flooddamage and flood days (flood depth: FIRM)17 records, 1996 to 2019Flash Flood, 2002-06-08, $20,000 property; crops not reported (2002 dollars)Event records naming jurisdictions in the plan: Burns Flat town (3 records), Rocky town (3 records), Sentinel town (2 records), Bessie town (1 record), Corn town (1 record).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)3 records, 2000 to 2006Lightning, 2006-08-21, $15,000 property; crops not reported (2006 dollars)Event records naming jurisdictions in the plan: Colony town (1 record), Sentinel 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)35 records, 1996 to 2026 (35 zone-level)39 kt (45 mph) to 64 kt (74 mph) (median 53 kt (61 mph)); 30 with a recorded value64 kt (74 mph) measured gust, High Wind, 2025-03-14; NWS zone OKZ022High Wind, 2006-11-15, $30,000 property; $0 crops (zone total, 2006 dollars)Countywide (zone-level records).
Thunderstorm Windwind speed (kt and mph)287 records, 1955 to 2026 (1 zone-level)50 kt (58 mph) to 80 kt (92 mph) (median 54 kt (62 mph)); 227 with a recorded value80 kt (92 mph) measured gust, Thunderstorm Wind, 2011-11-07; same speed and measurement basis also recorded on 2005-06-12Thunderstorm Wind, 2004-05-26, $100,000 property; crops not reported (2004 dollars)Event records naming jurisdictions in the plan: Bessie town (67 records), Burns Flat town (23 records), Sentinel town (18 records), Canute town (16 records), Dill City town (12 records), Colony town (9 records), Foss town (8 records), Corn town (5 records), Rocky town (4 records). Zone-level records (1) apply countywide.
TornadoEnhanced Fujita (Fujita before Feb 2007)54 records, 1950 to 2024F/EF0 to F/EF4 (median F/EF1); 47 with a recorded valueF4 tornado, 1962-05-25, 7.2 mi path length (whole path, pre-1996), 250 yd wide, $250,000 property; crops not recorded (1962 dollars), 9 direct injuriesTornado, 2001-10-09, $100,000,000 property; crops not reported (2001 dollars)Event records naming jurisdictions in the plan: Burns Flat town (2 records), Canute town (2 records), Dill City town (2 records), Rocky town (2 records), Sentinel town (2 records), Bessie town (1 record), Clinton city (1 record), Colony town (1 record), Corn town (1 record), Foss 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)43 records, 1996 to 2026 (43 zone-level)Winter Storm, 2000-12-26, $100,000 property; crops not reported (2000 dollars); NWS zone OKZ022Countywide (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: 37 declarations covering 31 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
2025-03-182024-11-02DR-4862-OKMajor disasterSevere Storms, Straight-Line Winds, Tornadoes, and FloodingInland Flooding; Strong Wind; Tornadono Public Assistance recordedin the 12 months before plan approval; within last 5 years
2024-04-302024-04-25DR-4776-OKMajor disasterSevere Storms, Straight-Line Winds, Tornadoes, and FloodingTornado (primary); also designated: Inland Flooding, Strong Wind$164,898.16within last 5 years
2021-02-242021-02-08DR-4587-OKMajor disasterSevere Winter StormsIce Stormno Public Assistance recorded
2021-02-172021-02-08EM-3555-OKEmergencySevere Winter StormIce Stormno Public Assistance recordedsame incident as DR-4587
2020-12-212020-10-26DR-4575-OKMajor disasterSevere Winter StormIce Stormno Public Assistance recorded
2020-04-052020-01-20DR-4530-OKMajor disasterCOVID-19 PandemicNon-natural, not countedno Public Assistance recorded
2020-03-132020-01-20EM-3462-OKEmergencyCOVID-19Non-natural, not countedno Public Assistance recordedsame incident as DR-4530
2019-06-012019-05-07DR-4438-OKMajor disasterSevere Storms, Straight-Line Winds, Tornadoes, and FloodingInland Flooding; Strong Wind; Tornado$1,073,231.12
2017-07-252017-05-16DR-4324-OKMajor disasterSevere Storms, Tornadoes, Straight-Line Winds, and FloodingTornado (primary); also designated: Inland Flooding, Strong Wind$70,957.53
2017-05-262017-04-28DR-4315-OKMajor disasterSevere Storms, Tornadoes, and FloodingInland Flooding; Tornado$19,455.62
2016-02-102015-12-26DR-4256-OKMajor disasterSevere Winter Storms and FloodingInland Flooding; Winter Weather$2,923,440.59
2015-12-292015-11-27DR-4247-OKMajor disasterSevere Winter Storms and FloodingIce Storm$70,706.67
2015-05-262015-05-05DR-4222-OKMajor disasterSevere Storms, Tornadoes, Straight-Line Winds, and FloodingInland Flooding; Strong Wind; Tornado$1,158,690.13
2013-04-082013-02-24DR-4109-OKMajor disasterSevere Winter Storm and SnowstormWinter Weatherno Public Assistance recorded
2011-02-022011-01-31EM-3316-OKEmergencySevere Winter StormWinter Weatherno Public Assistance recorded
2010-03-052010-01-28DR-1883-OKMajor disasterSevere Winter StormIce Storm$346,604.64
2010-02-252009-12-24DR-1876-OKMajor disasterSevere Winter StormWinter Weather$163,492.09
2010-01-302010-01-28EM-3308-OKEmergencySevere Winter StormWinter Weatherno Public Assistance recordedsame incident as DR-1883
2008-07-092008-06-03DR-1775-OKMajor disasterSevere Storms and FloodingInland Flooding$83,163.54
2007-12-102007-12-08EM-3280-OKEmergencySevere Winter StormsIce Stormno Public Assistance recorded
2007-08-242007-08-18DR-1718-OKMajor disasterSevere Storms, Tornadoes, and FloodingInland Flooding; Tornado$128,583.29
2007-07-072007-06-10DR-1712-OKMajor disasterSevere Storms, Flooding, and TornadoesInland Flooding; Tornado$842,570.40
2007-02-012007-01-12DR-1678-OKMajor disasterSevere Winter StormsWinter Weather$479,852.84
2007-01-142007-01-12EM-3272-OKEmergencySevere Winter Storms and FloodingIce Stormno Public Assistance recordedsame incident as DR-1678
2006-01-102005-11-27DR-1623-OKMajor disasterExtreme Wildfire ThreatWildfire$5,579.78
2005-09-052005-08-29EM-3219-OKEmergencyHurricane Katrina EvacuationHurricane: evacuation support, not a local hazard event; not countedno Public Assistance recorded
2003-02-042002-12-03DR-1452-OKMajor disasterSevere Ice StormIce Storm$86,726.71
2002-02-012002-01-30DR-1401-OKMajor disasterSevere Winter Ice StormIce Storm$505,172.34
2001-10-252001-10-09DR-1395-OKMajor disasterSevere Storms, Flooding, and TornadoesInland Flooding; Tornado$605,019.80
2001-06-292001-05-27DR-1384-OKMajor disasterSevere Storms, Flooding, and TornadoesInland Flooding; Tornado$31,338.48
2001-01-052000-12-25DR-1355-OKMajor disasterSevere Winter Ice StormIce Storm$1,846,173
1995-09-011995-07-21DR-1066-OKMajor disasterSevere Storms and FloodingInland Floodingno Public Assistance recorded
1995-06-261995-05-26DR-1058-OKMajor disasterTornadoes, Severe Storms and FloodingTornado (primary); also designated: Inland Floodingno Public Assistance recorded
1993-05-121993-05-08DR-991-OKMajor disasterSevere Storms, Tornadoes & FloodingInland Flooding; Tornadono Public Assistance recorded
1986-10-141986-09-26DR-778-OKMajor disasterSevere Storms & FloodingInland Floodingno Public Assistance recorded
1982-06-181982-06-18DR-662-OKMajor disasterSevere Storms & FloodingInland Floodingno Public Assistance recorded
1973-06-131973-06-13DR-392-OKMajor disasterSevere Storms, Flooding, & TornadoesInland Flooding; Tornadono Public Assistance recorded

School districts and special districts in this county: $60,964.43 (included in the county total above). Public Assistance matched by applicant name to the school districts and special districts FEMA lists as plan participants in this county. They have no row of their own in the jurisdiction table, so their total is listed here. These dollars are already included in the county PA column of the declarations table (the FEMA record places each applicant in this county), so this line is not added to it.

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
1995-04-191995-04-19EM-3115-OKEmergencyExplosion at Federal Courthouse in Oklahoma CityNon-natural, not counted
1960-07-151960-07-15DR-104-OKMajor disasterHeavy Rains, Hail, Floods & TornadoesHail; Inland Flooding; Tornado
1959-11-091959-11-09DR-95-OKMajor disasterHeavy Rains & FloodsInland Flooding
1959-07-081959-07-08DR-92-OKMajor disasterFloodInland Flooding
1957-05-181957-05-18DR-74-OKMajor disasterFloodInland Flooding
1956-04-071956-04-07DR-54-OKMajor disasterTornadoesTornado
1955-06-011955-06-01DR-35-OKMajor disasterFlood & TornadoInland Flooding (primary); also designated: Tornado

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.

13 Fire Management declarations (1971-04-08 to 2012-07-30) FEMA filed as Statewide with no county; each names one local fire. Listed on the state page.

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 Wave11058001996 to 2026-06-30Includes 1 Frost/Freeze record.
Drought1236436001996 to 2026-06-30
Earthquake000000Storm Events does not record earthquakes; the USGS earthquake catalog is the source.
Hail45011328001955 to 2026-06-30
Heat Wave4251439001996 to 2026-06-30
Hurricane0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Ice Storm8000901996 to 2026-06-30
Inland Flooding170001801996 to 2026-06-30
Landslide0000001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Lightning3000001996 to 2026-06-30
Strong Wind32251340501955 to 2026-06-30Includes 34 High Wind and 1 Strong Wind records.
Tornado540241301950 to 2026-06-30
Wildfire0000101996 to 2026-06-30No Storm Events records of this type; 1 federal declared incident (see declarations table)
Winter Weather43104601996 to 2026-06-30

Notable Storm Events records

Sources: 1, 6, 7

DateEvent typeMagnitude or extentDamagenominal dollarsDeaths, injuriesdirect onlyLocationFlagsWhy listed
2025-03-14High Wind64 kt (74 mph) measured gustdamage not reported0, 0NWS zone OKZ022 (WASHITA), zone-levelin the 12 months before plan approval; within last 5 yearsB1-c worst recorded: High Wind and Strong Wind
2015-11-27Ice Storm$616,000 property; crops not reported (zone total, 2015 dollars)0, 0NWS zone OKZ022 (WASHITA), zone-levelB1-c worst recorded: Ice Storm
2012-07-01Droughtdamage not reported0, 0NWS zone OKZ022 (WASHITA), zone-levelB1-c worst recorded: Drought
2011-11-07Thunderstorm Wind80 kt (92 mph) measured gust$0 property; $0 crops (2011 dollars)0, 0BURNS FLATB1-c worst recorded: Thunderstorm Wind
2006-07-16Heatdamage not reported0, 0NWS zone OKZ022 (WASHITA), zone-levelB1-c worst recorded: Excessive Heat, Heat
2002-06-08Flash Flood$20,000 property; crops not reported (2002 dollars)0, 0CORNB1-c worst recorded: Flash Flood, Flood, Lakeshore Flood
2001-10-09TornadoF3, 6 mi within this county, 500 yd wide$100,000,000 property; crops not reported (2001 dollars)0, 9CORDELLdeaths or injuries recorded
2000-12-26Winter Storm$100,000 property; crops not reported (zone total, 2000 dollars)0, 0NWS zone OKZ022 (WASHITA), zone-levelB1-c worst recorded: Winter Storm, Heavy Snow, Blizzard, Lake-Effect Snow, Winter Weather, Sleet
1999-04-02Thunderstorm Windspeed not recorded$30,000 property; crops not reported (1999 dollars)0, 3CANUTEdeaths or injuries recorded
1996-02-01Cold/Wind Chilldamage not reported0, 0NWS zone OKZ022 (WASHITA), zone-levelB1-c worst recorded: Cold/Wind Chill, Extreme Cold/Wind Chill
1977-07-31Hail4.5 indamage not recorded (pre-1996 record)0, 0location not recordedB1-c worst recorded: Hail
1962-05-25TornadoF4, 7.2 mi path length (whole path, pre-1996), 250 yd wide$250,000 property; crops not recorded (1962 dollars)0, 9location not recordeddeaths or injuries recorded

The full list is in the Excel file, sheet "B1-d Storm Events history" (1,073 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 Wave1.89event-days per yearabout 1.89 days per yearLikelyStorm Events event-days in 5 of 30 years, 1996 to 2025 (16.7%)362005-11-12 to 2024-11-12 (19 years)countywide
Drought79.3event-days per yearabout 79.3 days per yearLikelyStorm Events event-days in 18 of 30 years, 1996 to 2025 (60%)2,4782000 to 2025 (25.25 years; D3 and D4 only)countywide
Earthquake0.00128annual probability at a locationchance a given location in the county has at least minor-damage shaking in a year: 0.128%not shownmodeledsee B1-fNo descriptor (Storm Events does not record earthquakes).
Hail9.44events per yearabout 9.44 per yearHighly likelyFEMA annualized frequency (modeled)358.6 (modeled)1986 to 2023 (38 years)countywide
Heat Wave8.42event-days per yearabout 8.42 days per yearLikelyStorm Events event-days in 5 of 30 years, 1996 to 2025 (16.7%)1232005-11-12 to 2024-11-12 (19 years)countywide
Hurricane0.00604events per yearabout 1 in 166 yearsUnlikelyFEMA annualized frequency (modeled)21851 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 Storm1.09event-days per yearabout 1.09 days per yearLikelyStorm Events event-days in 8 of 30 years, 1996 to 2025 (26.7%)741946-12-31 to 2014-02-12 (67 years)countywide
Inland Flooding0.429event-days per yearabout 0.429 days per yearLikelyStorm Events event-days in 7 of 30 years, 1996 to 2025 (23.3%)121996 to 2023 (28 years)see B1-f
Landslide0.169events per year (modeled)about 1 in 6 yearsLikelyFEMA annualized frequency (modeled)not shownmodeledsee B1-f
Lightning50.2days per year with a strikeabout 50.2 days per yearHighly likelyFEMA annualized frequency (modeled)not shown1995 to 2023 (29 years; CONUS)countywide
Strong Wind4.61events per yearabout 4.61 per yearHighly likelyFEMA annualized frequency (modeled)1761986 to 2023 (38 years)countywide
Tornado0.866events per yearabout 0.87 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 Weather8.74event-days per yearabout 8.74 days per yearLikelyStorm Events event-days in 20 of 30 years, 1996 to 2025 (66.7%)1662005-11-12 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 2025150305
Hail2.00 in+1996 to 202518300.6
Thunderstorm Wind (counted as NRI Strong Wind)50-64 kt1996 to 2025156305.2
Thunderstorm Wind (counted as NRI Strong Wind)65 kt+1996 to 202527300.9
Thunderstorm Wind (counted as NRI Strong Wind)unmeasured or below 50 kt1996 to 202522300.733
TornadoEF0-11996 to 202512300.4
TornadoEF2-31996 to 20254300.133
TornadoEF4-51996 to 20250300
Tornadounrated (EFU)1996 to 20256300.2

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 Wave4 of 475.384.593.4Relatively High 3, Relatively Moderate 1
Drought4 of 497.998.198.9Relatively High 4
Earthquake4 of 442.555.165.5Relatively Low 4
Hail4 of 491.795.497.1Relatively High 4
Heat Wave4 of 449.665.579.3Relatively Moderate 3, Relatively Low 1
Hurricane4 of 436.038.945.3Very Low 4
Ice Storm4 of 497.399.199.5Very High 3, Relatively High 1
Inland Flooding4 of 423.252.557.1Relatively Moderate 3, Relatively Low 1
Landslide4 of 470.984.887.9Relatively Low 3, Very Low 1
Lightning4 of 420.230.841.0Relatively Low 3, Very Low 1
Strong Wind4 of 493.597.098.7Very High 2, Relatively High 2
Tornado4 of 480.191.496.3Very High 2, Relatively High 2
Wildfire4 of 481.290.394.0Relatively Moderate 3, Relatively Low 1
Winter Weather4 of 482.290.094.8Relatively High 4

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
Washita CountyCountyApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$8,771,616.790 total; 0 since its plan
Bessie townTownApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$8,982.3384 total; 4 since its plan
Burns Flat townTownApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$16,166.2460 total; 3 since its plan
Canute townTownApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$11,719.8247 total; 2 since its plan
Clinton cityCityApproved, expires 2030-04-09FMA RL 0, SRL 0; any 2no Public Assistance recorded1 total; 0 since its planWhole community, including the part in Custer County; none of its repeat-flood properties are in this county.
Colony townTownApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$785.2532 total; 0 since its plan
Corn townTownApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$31,065.9223 total; 0 since its plan
Dill City townTownPlan 110670 approved 2025-08-07, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0$24,502.5035 total; no approved plan
Foss townTownApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$16,433.7220 total; 0 since its plan
New Cordell cityCityApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$1,195,588.420 total; 0 since its plan
Rocky townTownApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$22,041.2824 total; 0 since its plan
Sentinel townTownApproved, expires 2030-08-06FMA RL 0, SRL 0; any 0$24,791.2548 total; 0 since its plan

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

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

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 2025-08-07county-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$2,452,081,012$154,112,73210,916$3,254$227,269$476,7240.000133%
Droughtn/a$40,646,749n/an/a$1,164,943n/a2.87% (agriculture)NRI has no building exposure for this hazard; agriculture shown
Earthquake$4,249,566,522n/a10,924$83,039n/a$34,5830.00195%
Hail$2,452,081,012$154,112,73210,916$431,993$47,716$40,6540.0176%
Heat Wave$2,452,081,012$154,112,73210,916$33$320$193,258under 0.0001%
Hurricane$2,451,553,394$151,670,83210,915$1,636$4,562$20under 0.0001%
Ice Storm$2,452,031,738n/a10,915$468,666n/a$78,3560.0191%
Inland Flooding$2,451,835,434$3,389,295152$1,580,264$19,583$4,326n/a (see note)NRI 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$6,668,149n/a28$18n/a$4940.000267%
Lightning$2,452,081,012n/a10,916$4,554n/a$12,2110.000186%
Strong Wind$2,452,081,012$154,112,73210,916$443,947$731$157,9250.0181%
Tornado$2,452,081,012$154,112,73210,916$586,991$5,960$610,9890.0239%
Wildfire$540,806,018$61,256,6642,806$92,504$1,263$13,8000.0171%
Winter Weather$2,452,081,012$154,112,73210,916$25,865$1,605$23,2400.00105%

Totals since 2025-08-07 (Storm Events through 2026-06-30): 15 county-coded records, 0 with a damage value recorded (including $0), $0; 13 zone-level records, 0 with a damage value recorded (including $0), $0 reported for the zone; Public Assistance: no counted declaration since the plan.

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
Population10,916
Building value (total, not at risk)$2,452,081,012
Agriculture value (total, not at risk)$154,112,732
NRI risk rating (all hazards)Very Low
Expected annual loss, buildings and agriculture, all hazards$5,196,717
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)$1,646,581
Social vulnerability ratingVery High
Community resilience ratingRelatively Low
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)0
Repetitive loss, NFIP insurance definition0Severe repetitive loss, NFIP insurance definition0

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

Repeat-flood properties: county total and NFIP communities

Sources: 1, 4

ScopeRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
County total0000000

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

Sources: 1, 4

JurisdictionNFIP community IDRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredpropertiesNote
Washita County4002230000000
Bessie town4002610000000
Burns Flat town4003520000000
Canute town4002740000000
Clinton city4000540020201Whole community, including the part in Custer County; none of its repeat-flood properties are in this county.
Colony town4002530000000
Corn town4002250000000
Dill City town4003700000000
Foss town4006220000000
New Cordell city4002240000000
Rocky town4003250000000
Sentinel town4004420000000

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: 0 in every occupancy group.

Sources: 1, 4

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 0 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). Washita County, OK: risk-assessment baseline packet, release 2026-10 (data as of 2026-09-30; County FIPS 40149). Automated baseline. https://hazardplain.org/ok/40149/ 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: [email protected]