Alert archive / Flash Flood Warnings
Flash Flood Warnings in the United States, 1992
1,472 flash flood warnings in 1992. Each alert counts once, however many counties it covered. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by state
Each state shaded by its count. Tap a state for its own archive.
- Flash Flood Warnings
- 1,472
- Busiest month
- July332 flash flood warnings
- Busiest day
- April 21, 199249 flash flood warnings
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.
- Texas266
- Ohio155
- Oklahoma85
- Virginia83
- Pennsylvania81
- West Virginia69
- Kansas66
- Kentucky57
- New York56
- North Carolina54
- Indiana50
- New Jersey44
- California42
- New Mexico37
- Arizona36
- Georgia34
- Vermont29
- Alabama28
- Nebraska27
- Missouri26
- Arkansas18
- Wisconsin17
- Mississippi15
- Tennessee15
- Utah15
- Louisiana13
- Nevada13
- Iowa11
- Connecticut11
- Maryland9
- Massachusetts8
- Delaware7
- Illinois6
- South Carolina5
- Minnesota4
- Rhode Island3
- District of Columbia2
- Colorado2
- New Hampshire2
- Oregon1
2 more states
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowThe tornado archiveThe radar archive19911993
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.