Severe Storm Event Frequency by State

NOAA Storm Events Database catalogs every confirmed severe-weather event in the U.S. — tornadoes, hail, high wind, flood, winter storms, heat. We aggregate county-level event counts into state totals. Useful for insurance underwriting, roof-replacement-cycle planning, and flagging climate-exposure markets.

Most storm events Alabama 0 total · 0 tornadoes · 0 hail
Fewest storm events Wyoming 0 total events recorded
Total tracked 0 events across 51 states

States ranked by total severe storm events

#StateTotal Storm EventsTornadoesHailHigh WindFloodWinter StormHeatCounties Reporting
1Alabama000000066
2Alaska00000004
3Arizona000000015
4Arkansas000000075
5California000000058
6Colorado000000064
7Connecticut00000008
8Delaware00000002
9District of Columbia00000001
10Florida000000066
11Georgia0000000145
12Hawaii00000004
13Idaho000000044
14Illinois000000099
15Indiana000000090
16Iowa000000099
17Kansas0000000103
18Kentucky0000000120
19Louisiana000000064
20Maine000000016
21Maryland000000020
22Massachusetts000000014
23Michigan000000083
24Minnesota000000080
25Mississippi000000075
26Missouri0000000113
27Montana000000054
28Nebraska000000088
29Nevada000000016
30New Hampshire000000010
31New Jersey000000021
32New Mexico000000028
33New York000000062
34North Carolina0000000100
35North Dakota000000050
36Ohio000000088
37Oklahoma000000077
38Oregon000000034
39Pennsylvania000000066
40Rhode Island00000005
41South Carolina000000040
42South Dakota000000063
43Tennessee000000092
44Texas0000000246
45Utah000000029
46Vermont000000014
47Virginia000000095
48Washington000000033
49West Virginia000000055
50Wisconsin000000070
51Wyoming000000023

Method

  • Counts: aggregated from per-county NOAA Storm Events Database records in our county JSONs. Each event is a confirmed weather observation, not a forecast.
  • Lookback window: refer to the source field on the county pages — defaults to recent 5-year window when the fetcher runs.
  • Counties reporting: not every county has storm-event coverage in the local fetched dataset. State totals reflect only counties present.
  • Pair with insurance. Hail-belt states (TX/OK/KS/NE) drive carrier roof-coverage restrictions (ACV vs RCV); tornado states (KY/AR/IA) push higher wind deductibles.

Sources: NOAA Storm Events Database.