Alert archive / Severe Thunderstorm Watches
Severe Thunderstorm Watches in the United States, 2022
415 severe thunderstorm watches in 2022. Each alert counts once, however many counties it covered. The archive of severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by state
Each state shaded by its count. Tap a state for its own archive.
- Severe Thunderstorm Watches
- 415
- Busiest month
- June111 severe thunderstorm watches
- Busiest day
- May 16, 202210 severe thunderstorm watches
Over time
By month
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas66
- Oklahoma55
- Kansas52
- Nebraska50
- Minnesota44
- South Dakota43
- Iowa39
- Arkansas34
- Missouri33
- Indiana32
- Pennsylvania31
- Virginia29
- Wisconsin28
- Ohio28
- North Dakota28
- Illinois27
- Montana25
- West Virginia24
- Maryland23
- New York21
- Kentucky21
- Mississippi20
- Louisiana17
- North Carolina15
- Alabama15
- New Jersey14
- Michigan14
- Colorado14
- Tennessee13
- District of Columbia13
- Wyoming13
- South Carolina11
- Connecticut11
- New Mexico11
- Delaware10
- Massachusetts10
- Florida9
- New Hampshire8
- Vermont8
- Georgia7
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowThe tornado archiveThe radar archive20212023
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.