Alert archive / Red Flag Warnings / 2011
Red Flag Warnings in the United States, July 2011
26 red flag warnings in July 2011. Each alert counts once, however many counties it covered. The archive of red flag warnings reaches back to 2005.
Red Flag Warnings by state
Each state shaded by its count. Tap a state for its own archive.
- Red Flag Warnings
- 26
- Busiest day
- July 17, 20114 red flag 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.
- Texas470
- Florida287
- New Mexico242
- Colorado166
- Kansas146
- Oklahoma110
- Arizona93
- Alabama66
- Nebraska61
- California60
- Montana49
- Nevada38
- Alaska32
- Missouri32
- Oregon30
- Wyoming28
- Georgia27
- Idaho26
- Utah20
- Washington18
- Minnesota16
- North Dakota16
- North Carolina15
- South Dakota13
- Arkansas11
- Kentucky11
- Iowa9
- Louisiana7
- Maryland7
- Virginia6
- Illinois6
- Indiana5
- New Jersey5
- Tennessee4
- South Carolina4
- Hawaii4
- Delaware4
- Mississippi2
- West Virginia2
- Pennsylvania2
Nearby
Alerts in force nowThe tornado archiveThe radar archive20102012
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.