What does this severe-storm days ranking show?

It orders states by Reported severe-storm days / yr. It is a comparison of this one published measure, not an overall ranking of where to live.

Where do these figures come from?

NOAA NCEI Storm Events Database supplies this measure. States without a comparable published value are shown as not ranked rather than estimated.

How should I use this ranking?

Use it to narrow a search, then open a state or county profile for the underlying figures, source dates and caveats. A statewide number may not describe every neighbourhood.

Lowest severe-storm days by state

Reported severe-storm days / yr.

This measure has no better end. The order describes the states, it does not rank them — see the other direction.

Twenty-year annual average of county days with a reported NOAA severe-storm event. The 2006–2025 calculation includes county-coded Thunderstorm Wind, Hail, or Tornado records; a county-day is counted once even when the storm produces several reports. This is a history of reported significant convective weather, not a count of every thunderstorm, warning, lightning strike, or future risk.

How to read this ranking

Alaska has the lowest published severe-storm days in this comparison, at 0 days. The next states shown are Connecticut (0 days) and Hawaii (1 days).

The table orders 51 states by reported severe-storm days / yr. It describes one published measure, not an overall judgment about where to live.

Use the result as a starting point, then compare the underlying source, dates, and local county figures before making a decision. Twenty-year annual average of county days with a reported NOAA severe-storm event. The 2006–2025 calculation includes county-coded Thunderstorm Wind, Hail, or Tornado records; a county-day is counted once even when the storm produces several reports. This is a history of reported significant convective weather, not a count of every thunderstorm, warning, lightning strike, or future risk.

1Alaska0 days
2Connecticut0 days
3Hawaii1 days
4Washington1 days
5Oregon1 days
6California2 days
7Idaho2 days
8Rhode Island3 days
9Vermont4 days
10Montana4 days
11New York4 days
12Maine4 days
13New Mexico4 days
14Utah4 days
15West Virginia5 days
16New Jersey5 days
17Wisconsin5 days
18Louisiana5 days
19Minnesota5 days
20New Hampshire5 days
21Michigan5 days
22Indiana6 days
23Kentucky6 days
24Virginia6 days
25Iowa6 days
26District of Columbia6 days
27Georgia6 days
28Massachusetts6 days
29North Dakota6 days
30Nevada6 days
31Wyoming7 days
32Delaware7 days
33Florida7 days
34Ohio7 days
35Colorado7 days
36Mississippi7 days
37Arkansas7 days
38Nebraska7 days
39Pennsylvania7 days
40Texas7 days
41Missouri8 days
42South Dakota8 days
43Tennessee8 days
44Alabama8 days
45Maryland8 days
46North Carolina8 days
47Kansas9 days
48Illinois9 days
49Oklahoma10 days
50South Carolina11 days
51Arizona13 days

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Frequently asked questions

What does this ranking show?: It orders states by Reported severe-storm days / yr. It is one measure, not an overall verdict on where to live.
Where do the figures come from?: NOAA NCEI Storm Events Database. States without a comparable published figure are listed as not ranked rather than estimated.
How should I use it?: Use it to narrow your search, then open a state or county profile for the source date, caveats and local context.

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<iframe src="https://movermath.com/embed/severe-storm-days" width="100%" height="420" style="border:0" loading="lazy" title="Reported severe-storm days / yr by state"></iframe>

Source: NOAA NCEI Storm Events Database. · How this is built

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