Alert archive / Areal Flood Warnings / 2020
Areal Flood Warnings in the United States, August 2020
235 areal flood warnings in August 2020. Each alert counts once, however many counties it covered. The archive of areal flood warnings reaches back to 2005.
Areal Flood Warnings by state
Each state shaded by its count. Tap a state for its own archive.
- Areal Flood Warnings
- 235
- Busiest day
- August 13, 202021 areal 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.
- Virginia303
- Missouri122
- Maryland118
- Florida118
- North Carolina111
- Kansas111
- Alabama98
- Ohio74
- Pennsylvania70
- Georgia69
- West Virginia54
- Texas47
- Kentucky46
- Indiana43
- Tennessee41
- Oklahoma40
- Illinois39
- New York32
- Nebraska30
- New Jersey30
- Michigan29
- Wisconsin24
- Massachusetts21
- Alaska20
- Louisiana19
- Mississippi18
- Arizona18
- Arkansas17
- Puerto Rico17
- District of Columbia17
- Minnesota16
- Iowa16
- South Dakota15
- South Carolina15
- Washington11
- Delaware10
- Oregon9
- Vermont7
- California6
- North Dakota5
Nearby
Alerts in force nowThe tornado archiveThe radar archive20192021
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.