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Johnson County, Texas
Recorded hazard history: storm events since 1950, federal disaster declarations since 1953, flood insurance claims since 1978, and FEMA's risk index.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NCEI storm records through 30 Jun 2026; OpenFEMA declarations refreshed 1 Oct 2026; NFIP claims as of 8 Sep 2026.
Between 1950 and 2026, NCEI recorded 1,109 storm events in Johnson County, Texas, led by hail.
That is 153.0 events per 100 square miles, above the Texas figure of 63.3, and 59.2 per 10,000 residents against 56.0 statewide.
35 events fall in the 12 months to 30 Jun 2026. NCEI attributes 9 deaths and 65 injuries to events in the county, with property damage estimated at $257M and crop damage at $1.6M.
FEMA has designated the county in 19 federal disaster declarations since 1953; the most recent is Severe Winter Storms (major disaster, 19 Feb 2021).
National Flood Insurance Program policyholders in the county filed 333 claims since 1978, of which 262 were paid, totalling $4.9M (about $19K per paid claim). FEMA counts 510 residential flood policies in force.
FEMA's National Risk Index rates the county's overall risk as "Relatively Moderate" and its expected annual loss as "Relatively Moderate" ($71M a year across 18 hazards).
7 tropical storm or hurricane tracks in the HURDAT2 record passed within 100 miles of the county's centre at tropical-storm strength or more, 0 of them within 50 miles at hurricane strength.
Compared with Texas and the United States
| Measure | Johnson County | Texas | US |
|---|---|---|---|
| Recorded events since 1950 | 1,109 | 165,476 | 1,977,440 |
| Events per 100 square miles | 153.0 | 63.3 | 56.0 |
| Events per 10,000 residents | 59.2 | 56.0 | 59.6 |
| Events in the last 12 months | 35 | 4,723 | 62,008 |
| Deaths recorded by NCEI | 9 | 2,429 | 26,435 |
| Property damage (NCEI estimates) | $257M | $111B | $575B |
| NFIP claims per 1,000 residents | 1.8 | 13.4 | 8.1 |
| Average paid NFIP claim | $19K | $55K | $43K |
| Claims per 100 policies in force, last 10 years | 6.3 | 24.7 | 16.1 |
County-recorded events plus zone-recorded events whose forecast zone is named for the county. State and US rows include events recorded only by forecast zone. Rates use 2021 Census population and land area.
Events by decade
Trend: 576 events in the 20 years to 2025 against 371 in the 20 years before. Reporting practice changed in 1996 and again with automated reports in the 2000s, so decade totals measure the record as much as the weather.
Events by type
Hazard pages exist for hail, tornado, flood, wind and winter where the county has at least 10 recorded events. "Other" covers heavy rain, debris flow, dust, funnel clouds and similar reports.
Largest recorded events
| Date | Event type | Group | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|---|
| 8 Sep 2010 | Flash Flood | Flood | — | $400K | — | 1 | — | County |
| 1 Feb 2011 | Ice Storm | Winter | — | $75K | — | 1 | — | Forecast zone |
| 5 May 2024 | Flash Flood | Flood | — | $20K | — | 1 | — | County |
| 27 Nov 2015 | Flash Flood | Flood | — | $10K | — | 1 | — | County |
| 27 Nov 2015 | Flash Flood | Flood | — | $5K | — | 1 | — | County |
| 1 Jul 2011 | Heat | Heat | — | — | — | 1 | — | Forecast zone |
| 23 Aug 2015 | Heat | Heat | — | — | — | 1 | — | Forecast zone |
| 14 Apr 2017 | Excessive Heat | Heat | — | — | — | 1 | — | Forecast zone |
| 1 Aug 2023 | Excessive Heat | Heat | — | — | — | 1 | — | Forecast zone |
| 15 May 2013 | Tornado | Tornado | EF3 | $124M | — | — | 7 | County |
| 29 Dec 2006 | Tornado | Tornado | F2 | $2.0M | — | — | 12 | County |
| 27 Jan 2009 | Ice Storm | Winter | — | $60K | — | — | 10 | Forecast zone |
| 13 Sep 1993 | Tornado | Tornado | F1 | $50M | — | — | 2 | County |
| 15 Dec 2008 | Winter Weather | Winter | — | — | — | — | 5 | Forecast zone |
| 14 Jan 2007 | Ice Storm | Winter | — | $40K | — | — | 4 | Forecast zone |
| 23 Apr 1973 | Tornado | Tornado | F3 | — | — | — | 3 | County |
| 16 May 1989 | Tornado | Tornado | F1 | $25M | — | — | — | County |
| 10 Apr 2008 | Tornado | Tornado | EF1 | $25M | — | — | — | County |
| 14 Dec 1971 | Tornado | Tornado | F1 | $250K | — | — | 2 | County |
| 11 Apr 2011 | Tornado | Tornado | EF1 | $100K | — | — | 2 | County |
Ranked by deaths, then injuries, then NCEI's damage estimate. Deaths and injuries are NCEI counts (direct plus indirect); no personal details are recorded here.
Federal disaster declarations
| Declared | Number | Type | Incident | Title | Programs |
|---|---|---|---|---|---|
| 19 Feb 2021 | DR-4586 | Major disaster | Severe Ice Storm | Severe Winter Storms | Individual assistance, Public assistance |
| 14 Feb 2021 | EM-3554 | Emergency | Severe Ice Storm | Severe Winter Storm | Public assistance |
| 25 Mar 2020 | DR-4485 | Major disaster | Biological | Covid-19 Pandemic | Individual assistance, Public assistance |
| 13 Mar 2020 | EM-3458 | Emergency | Biological | Covid-19 | Public assistance |
| 29 May 2015 | DR-4223 | Major disaster | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds And Flooding | Individual assistance, Public assistance |
| 14 Mar 2008 | EM-3284 | Emergency | Fire | Wildfires | Public assistance |
| 19 Jan 2006 | FM-2621 | Fire management assistance | Fire | Huntington Brook Fire | Public assistance |
| 11 Jan 2006 | DR-1624 | Major disaster | Fire | Extreme Wildfire Threat | Individual assistance, Public assistance |
| 24 Sep 2005 | DR-1606 | Major disaster | Hurricane | Hurricane Rita | Public assistance |
| 21 Sep 2005 | EM-3261 | Emergency | Hurricane | Hurricane Rita | Public assistance |
| 2 Sep 2005 | EM-3216 | Emergency | Hurricane | Hurricane Katrina Evacuation | Public assistance |
| 1 Feb 2003 | EM-3171 | Emergency | Other | Loss Of The Space Shuttle Columbia | Public assistance |
| 5 Jan 2001 | FM-2351 | Fire management assistance | Fire | Tx - Alsbury Fire - 08/29/00 | Public assistance |
| 1 Sep 1999 | EM-3142 | Emergency | Fire | Extreme Fire Hazards | Public assistance |
| 26 Aug 1998 | DR-1239 | Major disaster | Severe Storm | Tropical Storm Charley | — |
| 10 Sep 1993 | EM-3113 | Emergency | Drought | Extreme Fire Hazard | Public assistance |
| 26 Dec 1991 | DR-930 | Major disaster | Flood | Severe Thunderstorms | Individual assistance |
| 2 May 1990 | DR-863 | Major disaster | Severe Storm | Severe Storms, Tornadoes & Flooding | Individual assistance |
| 19 May 1989 | DR-828 | Major disaster | Severe Storm | Severe Storms, Tornadoes & Flooding | Individual assistance, Public assistance |
Declarations in which FEMA designated this county, from the OpenFEMA Disaster Declarations Summaries (v2). DR: major disaster; EM: emergency; FM: fire management assistance. Programs show whether individual or public assistance was made available.
Flood insurance claims
| Year of loss | Claims | Paid claims | Amount paid | Average paid |
|---|---|---|---|---|
| 2026 | 1 | 0 | $0 | — |
| 2025 | 2 | 2 | $30,620 | $15,310 |
| 2024 | 5 | 3 | $366,604 | $122,201 |
| 2023 | 5 | 3 | $97,915 | $32,638 |
| 2022 | 6 | 3 | $100,202 | $33,401 |
| 2021 | 6 | 0 | $0 | — |
| 2020 | 1 | 0 | $0 | — |
| 2018 | 6 | 5 | $81,929 | $16,386 |
| 2016 | 5 | 3 | $26,865 | $8,955 |
| 2015 | 60 | 48 | $1,749,366 | $36,445 |
| 2014 | 1 | 0 | $0 | — |
| 2013 | 1 | 0 | $0 | — |
| 2012 | 1 | 1 | $3,152 | $3,152 |
| 2011 | 2 | 1 | $5,883 | $5,883 |
| 2010 | 19 | 18 | $578,892 | $32,161 |
| 2009 | 1 | 1 | $8,309 | $8,309 |
| 2007 | 9 | 7 | $66,424 | $9,489 |
| 2006 | 19 | 17 | $285,826 | $16,813 |
| 2005 | 1 | 0 | $0 | — |
| 2004 | 17 | 16 | $436,044 | $27,253 |
| 2003 | 1 | 0 | $0 | — |
| 2002 | 5 | 5 | $16,849 | $3,370 |
| 2001 | 2 | 1 | $1,334 | $1,334 |
| 2000 | 29 | 24 | $369,215 | $15,384 |
| 1998 | 1 | 1 | $1,082 | $1,082 |
OpenFEMA NFIP claims (v3, as of 8 Sep 2026), aggregated by year of loss; amounts are building, contents and increased-cost-of-compliance payments as recorded. Repetitive-loss counts from the NFIP Multiple Loss Properties file (2 Aug 2026); policies in force from the NFIP Residential Penetration Rates file (3 Aug 2026).
National Risk Index
| Hazard (NRI) | Risk rating | Expected annual loss |
|---|---|---|
| Tornado | $28,034,453 | |
| Inland flooding | $23,194,201 | |
| Cold wave | $6,990,887 | |
| Heat wave | $4,451,132 | |
| Wildfire | $3,406,298 | |
| Hail | $1,434,368 | |
| Strong wind | $1,368,775 | |
| Lightning | $708,823 | |
| Ice storm | $506,776 | |
| Earthquake | $330,191 | |
| Hurricane | $119,799 | |
| Drought | $60,128 | |
| Winter weather | $50,119 | |
| Landslide | $72 |
FEMA National Risk Index, December 2025 release. Ratings are FEMA's relative comparison of counties; expected annual loss is FEMA's modelled estimate of average yearly building, population and agriculture loss. See how to read the NRI.
Hurricane and tropical storm passes
| Storm | Year | Closest approach | Max wind while within 100 mi |
|---|---|---|---|
| Alicia | 1983 | 72 mi | 40 mph |
| Carla | 1961 | 36 mi | 46 mph |
| Unnamed Atlantic storm | 1915 | 88 mi | 40 mph |
| Unnamed Atlantic storm | 1902 | 53 mi | 40 mph |
| Unnamed Atlantic storm | 1900 | 19 mi | 75 mph |
| Unnamed Atlantic storm | 1897 | 82 mi | 46 mph |
| Unnamed Atlantic storm | 1871 | 78 mi | 46 mph |
HURDAT2 best-track positions at tropical-storm strength (34 kt) or more, measured from the county's Census centre point; through the 2025 season. Distance from a track is not the same as the extent of the storm's wind, rain or surge.
ZIP codes with flood claims
ZIP codes whose NFIP claims carry this county's code, with the number of claims. Five or more claims are needed for a ZIP page to be indexed.
Questions and answers
How often does it hail in Johnson County, TX?
NCEI records 376 hail events in Johnson County since 1950, in 57 different years; that is about 4.9 recorded events a year. 121 reports were golf-ball size (1.75 in) or larger.
Has Johnson County had a tornado?
Yes. NCEI records 110 tornadoes in Johnson County since 1950, 28 of them rated (E)F2 or stronger. Tornado deaths recorded: 0.
When was the last federal disaster declaration for Johnson County?
19 Feb 2021: Severe Winter Storms, a major disaster declaration for severe ice storm. The county appears in 19 declarations since 1953.
How many flood insurance claims have been filed in Johnson County, and how much was paid?
333 NFIP claims since 1978, 262 of them paid, for $4.9M in total. FEMA publishes these figures redacted and aggregated; individual properties are not identified.
Is Johnson County in the National Risk Index's high-risk band?
FEMA's National Risk Index (December 2025) rates the county "Relatively Moderate" for overall risk, "Relatively Moderate" for expected annual loss, "Relatively Low" for social vulnerability and "Relatively Moderate" for community resilience. These ratings are FEMA's relative comparison across all US counties.
How does Johnson County compare with the rest of Texas?
153.0 recorded events per 100 square miles against 63.3 statewide, and 1.8 NFIP claims per 1,000 residents against 13.4. The comparison table on this page shows each measure beside the state and national figures.
Provenance
Storm events: NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026 (public domain). Declarations: OpenFEMA DisasterDeclarationsSummaries v2, refreshed 1 Oct 2026. Flood claims: OpenFEMA NfipClaims v3 as of 8 Sep 2026; NfipMultipleLossProperties v1 (2 Aug 2026); NfipResidentialPenetrationRates v1 (3 Aug 2026). Risk index: FEMA National Risk Index, December 2025. Hurricane tracks: NHC HURDAT2 through 2025. Population and area: US Census Bureau, 2021 vintage. Built 1 Oct 2026; see the methodology and corrections pages. Hazard hubs: Hail · Tornado · Flood · Wind · Winter.