Alert archive / Severe Thunderstorm Watches / 2023
Severe Thunderstorm Watches in the United States, May 2023
54 severe thunderstorm watches in May 2023. 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
- 54
- Busiest day
- May 7, 20239 severe thunderstorm watches
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.
- Texas133
- Kansas92
- Oklahoma91
- Nebraska66
- Missouri59
- Arkansas58
- Illinois47
- Colorado47
- Alabama45
- Mississippi43
- Georgia42
- Tennessee42
- Louisiana42
- Iowa36
- Kentucky35
- New Mexico34
- Virginia32
- Pennsylvania32
- Indiana31
- North Carolina28
- Wyoming28
- South Dakota28
- Florida27
- Maryland23
- Ohio23
- New Jersey23
- Minnesota21
- West Virginia21
- New York20
- Wisconsin18
- South Carolina15
- District of Columbia15
- Delaware14
- Michigan13
- Connecticut12
- North Dakota11
- Massachusetts8
- Montana8
- Vermont7
- New Hampshire6
Nearby
Alerts in force nowThe tornado archiveThe radar archive20222024
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.