Alert archive / Severe Thunderstorm Warnings / 2010
Severe Thunderstorm Warnings in the United States, May 2010
3,434 severe thunderstorm warnings in May 2010. Each alert counts once, however many counties it covered. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by state
Each state shaded by its count. Tap a state for its own archive.
- Severe Thunderstorm Warnings
- 3,434
- Busiest day
- May 24, 2010339 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas1,530
- Kansas1,169
- Nebraska1,019
- Missouri912
- Mississippi813
- Tennessee802
- Arkansas778
- North Carolina764
- Georgia689
- South Dakota687
- Iowa684
- Illinois660
- South Carolina652
- Alabama652
- Virginia638
- Oklahoma607
- Ohio589
- Kentucky583
- Minnesota564
- North Dakota531
- Colorado511
- Pennsylvania490
- Indiana464
- Montana446
- Wisconsin376
- Louisiana370
- New York365
- Florida361
- New Mexico322
- Michigan310
- Arizona284
- West Virginia269
- Wyoming233
- Maryland218
- Massachusetts135
- Idaho123
- Utah118
- New Jersey116
- California101
- Maine92
Nearby
Alerts in force nowThe tornado archiveThe radar archive20092011
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.