Alert archive / Flash Flood Watches / 2007
Flash Flood Watches in the United States, April 2007
18 flash flood watches in April 2007. Each alert counts once, however many counties it covered. The archive of flash flood watches reaches back to 2005.
Flash Flood Watches by state
Each state shaded by its count. Tap a state for its own archive.
- Flash Flood Watches
- 18
- Busiest day
- April 24, 20074 flash 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.
- Texas153
- Kansas59
- Iowa52
- Nebraska45
- California38
- Oklahoma37
- Missouri32
- Arizona29
- Minnesota28
- Illinois25
- Arkansas25
- New Mexico21
- Colorado21
- Louisiana19
- Wisconsin18
- Utah14
- Nevada12
- South Dakota12
- Indiana11
- Pennsylvania11
- New York10
- Idaho9
- Hawaii9
- Ohio9
- North Dakota9
- Wyoming7
- Kentucky7
- Mississippi6
- Puerto Rico6
- U.S. Virgin Islands6
- New Jersey5
- Montana4
- West Virginia4
- Virginia3
- Maine3
- Florida3
- Maryland3
- Michigan2
- Vermont2
- Oregon2
4 more states
Nearby
Alerts in force nowThe tornado archiveThe radar archive20062008
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.