Alert archive / River Flood Warnings / 2021
River Flood Warnings in the United States, June 2021
446 river flood warnings in June 2021. Each alert counts once, however many counties it covered. The archive of river flood warnings reaches back to 2005.
River Flood Warnings by state
Each state shaded by its count. Tap a state for its own archive.
- River Flood Warnings
- 446
- Busiest day
- June 25, 202148 river 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.
- Texas484
- Missouri379
- Mississippi325
- Louisiana311
- Indiana301
- Georgia293
- Illinois195
- Kansas147
- Florida147
- Alabama144
- Washington119
- Kentucky117
- Tennessee113
- Arkansas99
- North Carolina98
- Oklahoma92
- Pennsylvania85
- Ohio80
- New York63
- South Carolina62
- New Jersey57
- Virginia37
- Michigan33
- West Virginia33
- Oregon32
- Wisconsin30
- Connecticut25
- Massachusetts22
- Nebraska19
- Iowa16
- Maryland15
- Delaware9
- New Hampshire7
- Rhode Island7
- Vermont6
- Colorado6
- California4
- South Dakota4
- Minnesota2
- New Mexico2
4 more states
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.