Alert archive / Flood Watches / 2010
Flood Watches in the United States, May 2010
20 flood watches in May 2010. Each alert counts once, however many counties it covered. The archive of flood watches reaches back to 2005.
Flood Watches by state
Each state shaded by its count. Tap a state for its own archive.
- Flood Watches
- 20
- Busiest day
- May 12, 20104 flood 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.
- New York32
- Kansas23
- Pennsylvania22
- Washington18
- Georgia18
- Connecticut17
- North Carolina16
- West Virginia16
- Wyoming15
- Maine14
- New Hampshire14
- Missouri14
- Montana12
- Florida12
- Massachusetts12
- Ohio12
- New Jersey11
- Idaho11
- Virginia11
- Maryland11
- Vermont11
- Nebraska11
- Texas10
- Alaska9
- Michigan9
- Indiana8
- Minnesota8
- Wisconsin7
- South Dakota7
- North Dakota7
- California6
- South Carolina5
- Rhode Island5
- Alabama5
- Louisiana5
- Oklahoma5
- Kentucky5
- Arizona5
- Oregon4
- Utah4
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.