Alert archive / Tornado Warnings / 2004
Tornado Warnings in the United States, September 2004
573 tornado warnings in September 2004. Each alert counts once, however many counties it covered. The archive of tornado warnings reaches back to 1986.
Tornado Warnings by state
Each state shaded by its count. Tap a state for its own archive.
- Tornado Warnings
- 573
- Busiest day
- September 17, 200490 tornado 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.
- Texas340
- Florida248
- Illinois225
- Nebraska216
- Iowa205
- Missouri192
- Georgia164
- Mississippi149
- Alabama144
- Kansas142
- North Carolina136
- Virginia132
- Oklahoma127
- Kentucky120
- South Carolina118
- Indiana117
- Colorado102
- Tennessee99
- Minnesota98
- Louisiana85
- North Dakota67
- Arkansas66
- Michigan54
- Wisconsin53
- South Dakota51
- Pennsylvania41
- Ohio34
- New Mexico34
- Maryland27
- New York21
- Montana20
- West Virginia13
- Wyoming10
- California7
- Idaho6
- Arizona6
- Delaware4
- New Jersey4
- Oregon3
- Washington2
Nearby
Alerts in force nowThe tornado archiveThe radar archive20032005
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.