Alert archive / Flash Flood Warnings / 2012
Flash Flood Warnings in the United States, November 2012
7 flash flood warnings in November 2012. 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
- 7
- Busiest day
- November 30, 20125 flash flood warnings
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.
- Texas281
- Arizona262
- Mississippi216
- California183
- Louisiana127
- Alabama111
- Kentucky104
- North Carolina96
- Nevada87
- Virginia83
- Arkansas77
- Utah73
- Tennessee72
- Missouri66
- Florida62
- Colorado62
- New Mexico62
- Pennsylvania55
- West Virginia51
- Oklahoma50
- Maryland50
- Georgia46
- Illinois42
- Puerto Rico42
- New York41
- Ohio38
- New Jersey38
- Minnesota31
- Indiana30
- Iowa29
- South Carolina28
- Maine25
- Nebraska25
- Hawaii24
- Michigan23
- Kansas22
- Connecticut21
- Massachusetts19
- South Dakota16
- Wisconsin15
Nearby
Alerts in force nowThe tornado archiveThe radar archive20112013
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.