Alert archive / Special Weather Statements / 2009
Special Weather Statements in the United States, April 2009
506 special weather statements in April 2009. Each alert counts once, however many counties it covered. The archive of special weather statements reaches back to 2006.
Special Weather Statements by state
Each state shaded by its count. Tap a state for its own archive.
- Special Weather Statements
- 506
- Busiest day
- April 17, 200945 special weather statements
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.
- Florida2,252
- Texas825
- Georgia690
- Montana571
- Oklahoma535
- Pennsylvania523
- Virginia487
- Wyoming429
- Minnesota398
- Missouri296
- Idaho293
- Kansas285
- Nevada215
- Nebraska207
- North Carolina180
- Illinois148
- Michigan144
- Colorado137
- New Mexico136
- Arkansas133
- Wisconsin127
- Indiana104
- California100
- Oregon90
- West Virginia88
- Arizona85
- Iowa82
- Vermont76
- Utah74
- Washington50
- New York48
- North Dakota43
- Ohio38
- South Dakota24
- Maine1
- Kentucky1
- Maryland1
Nearby
Alerts in force nowThe tornado archiveThe radar archive20082010
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.