Every county's recorded hazard history

The recorded hazard history of every US county: hail, tornado, flood, wind and winter events since 1950, hurricane passes, federal disaster declarations, flood insurance claims and FEMA's risk index. Search a county, state or ZIP code.

1,977,440storm events recorded since 195062,008 in the last 12 months

3,143counties, with 13,512 hazard pages

5,082federal disaster declarations since 1953

2,680,429NFIP flood claims since 1978$90B paid

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. Storm records through 30 Jun 2026; declarations refreshed 29 Sep 2026; claims as of 8 Sep 2026.

Recorded events by decade

Hail: 2477Tornado: 5232Wind: 3482

Hail: 7651Tornado: 7270Wind: 10124

Hail: 11007Tornado: 9370Wind: 18714

Hail: 26555Tornado: 9008Wind: 39604

Hail: 75563Tornado: 12127Flood: 20643Wind: 99427Winter: 32893Tropical: 1065Heat: 4355Cold: 5539Drought: 5562Wildfire: 506Lightning: 3516Fog: 1630Other: 4255

Hail: 137388Tornado: 14108Flood: 53753Wind: 166608Winter: 88805Tropical: 4819Heat: 9163Cold: 14782Drought: 18554Wildfire: 2958Lightning: 8016Fog: 5028Other: 12044

Hail: 107243Tornado: 13749Flood: 67125Wind: 202136Winter: 103626Tropical: 2625Heat: 16444Cold: 18162Drought: 31414Wildfire: 3623Lightning: 5083Fog: 7076Other: 19906

Hail: 56472Tornado: 10417Flood: 42038Wind: 161858Winter: 62015Tropical: 2612Heat: 26593Cold: 15329Drought: 29995Wildfire: 2433Lightning: 1510Fog: 4649Other: 9706

11,1911950s25,0451960s39,0911970s75,1671980s267,0811990s536,0262000s598,2122010s425,6272020s

All recorded events in the 50 states and DC by decade and hazard group. HailTornadoFloodWindWinterTropicalHeatColdDroughtWildfireLightningFogOther NCEI recorded only tornadoes, hail and thunderstorm wind before 1996.

Hazards

Wind701,953

Hail424,356

Winter287,339

Flood183,559

Drought85,525

Tornado81,281

Heat56,555

Cold53,812

Other45,911

Fog18,383

Lightning18,125

Tropical11,121

Wildfire9,520

County pages exist for the five major hazards wherever a county has ten or more recorded events:

■ Hail: 424,356 events, hail
■ Tornado: 81,281 events, tornadoes
■ Flood: 183,559 events, floods and flash floods
■ Wind: 701,953 events, damaging wind
■ Winter: 287,339 events, winter storms and snow

By month: Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec

States

Alabama 44,232 events · 87.3/100 sq mi
Alaska 9,701 events · 1.7/100 sq mi
Arizona 17,892 events · 15.7/100 sq mi
Arkansas 48,966 events · 94.2/100 sq mi
California 40,849 events · 26.2/100 sq mi
Colorado 51,187 events · 49.4/100 sq mi
Connecticut 7,161 events · 147.9/100 sq mi
Delaware 4,711 events · 241.8/100 sq mi
District of Columbia 994 events · 1,626.1/100 sq mi
Florida 39,578 events · 73.8/100 sq mi
Georgia 56,743 events · 98.3/100 sq mi
Hawaii 6,089 events · 94.8/100 sq mi
Idaho 12,071 events · 14.6/100 sq mi
Illinois 66,722 events · 120.2/100 sq mi
Indiana 43,229 events · 120.7/100 sq mi
Iowa 69,606 events · 124.6/100 sq mi
Kansas 94,007 events · 115.0/100 sq mi
Kentucky 55,285 events · 140.0/100 sq mi
Louisiana 32,679 events · 75.6/100 sq mi
Maine 16,001 events · 51.9/100 sq mi
Maryland 25,002 events · 257.5/100 sq mi
Massachusetts 16,427 events · 210.6/100 sq mi
Michigan 36,322 events · 64.2/100 sq mi
Minnesota 56,524 events · 71.0/100 sq mi
Mississippi 42,114 events · 89.7/100 sq mi
Missouri 73,339 events · 106.7/100 sq mi
Montana 36,277 events · 24.9/100 sq mi
Nebraska 64,002 events · 83.3/100 sq mi
Nevada 8,761 events · 8.0/100 sq mi
New Hampshire 8,661 events · 96.7/100 sq mi
New Jersey 26,382 events · 358.7/100 sq mi
New Mexico 24,740 events · 20.4/100 sq mi
New York 56,675 events · 120.3/100 sq mi
North Carolina 54,696 events · 112.5/100 sq mi
North Dakota 33,350 events · 48.3/100 sq mi
Ohio 51,777 events · 126.7/100 sq mi
Oklahoma 82,919 events · 120.9/100 sq mi
Oregon 11,234 events · 11.7/100 sq mi
Pennsylvania 54,427 events · 121.6/100 sq mi
Rhode Island 2,484 events · 240.3/100 sq mi
South Carolina 32,670 events · 108.7/100 sq mi
South Dakota 55,877 events · 73.7/100 sq mi
Tennessee 46,283 events · 112.2/100 sq mi
Texas 165,476 events · 63.3/100 sq mi
Utah 12,095 events · 14.7/100 sq mi
Vermont 11,007 events · 119.4/100 sq mi
Virginia 57,789 events · 146.4/100 sq mi
Washington 10,014 events · 15.1/100 sq mi
West Virginia 29,901 events · 124.4/100 sq mi
Wisconsin 46,362 events · 85.6/100 sq mi
Wyoming 26,150 events · 26.9/100 sq mi

Most events per 100 square miles

State	Events	Per 100 sq mi	Dominant
District of Columbia	994	1,626.1	Wind
New Jersey	26,382	358.7	Wind
Maryland	25,002	257.5	Wind
Delaware	4,711	241.8	Wind
Rhode Island	2,484	240.3	Wind
Massachusetts	16,427	210.6	Wind
Connecticut	7,161	147.9	Wind
Virginia	57,789	146.4	Wind
Kentucky	55,285	140.0	Wind
Ohio	51,777	126.7	Wind

Most flood insurance claims

State	Claims	Paid	Declarations
Louisiana	485,743	$21B	111
Florida	448,618	$19B	188
Texas	394,204	$17B	392
New Jersey	202,340	$6.5B	59
New York	175,430	$5.7B	118
North Carolina	109,593	$2.3B	85
Pennsylvania	77,060	$1.4B	64
Mississippi	64,589	$3.1B	99
California	53,563	$761M	397
Illinois	52,890	$596M	68

Event counts depend on reporting as well as weather: NCEI recorded only tornadoes, hail and thunderstorm wind before 1996, and reporting density varies by NWS office. See the methodology and the guide to how NCEI records events.