Alert archive / Areal Flood Warnings / 2021
Areal Flood Warnings in the United States, July 2021
243 areal flood warnings in July 2021. 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
- 243
- Busiest day
- July 17, 202130 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.
- Kansas139
- Virginia129
- Florida113
- Missouri110
- Maryland99
- Texas96
- Kentucky96
- Alabama88
- West Virginia72
- Arizona66
- New York62
- Pennsylvania54
- New Jersey49
- Oklahoma45
- Ohio45
- Indiana44
- Mississippi39
- Georgia38
- Tennessee36
- Louisiana32
- Massachusetts29
- Arkansas28
- Nebraska27
- Connecticut27
- North Carolina21
- District of Columbia20
- California16
- Michigan16
- Illinois14
- Colorado13
- Iowa12
- Alaska10
- South Dakota9
- New Mexico9
- Rhode Island9
- Maine8
- Utah7
- Nevada6
- Wisconsin5
- New Hampshire4
Nearby
Alerts in force nowThe tornado archiveThe radar archive20202022
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.