Alert archive / Areal Flood Advisories
Areal Flood Advisories in the United States, 2008
5,746 areal flood advisories in 2008. Each alert counts once, however many counties it covered. The archive of areal flood advisories reaches back to 2005.
Areal Flood Advisories by state
Each state shaded by its count. Tap a state for its own archive.
- Areal Flood Advisories
- 5,746
- Busiest month
- July1,695 areal flood advisories
- Busiest day
- July 23, 2008110 areal flood advisories
Over time
By month
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas771
- New Mexico742
- Florida426
- Arizona307
- New York304
- Puerto Rico222
- North Carolina214
- Missouri203
- South Carolina171
- Ohio165
- Colorado156
- Pennsylvania148
- Georgia142
- Oklahoma129
- Massachusetts121
- Maine112
- California109
- Tennessee108
- Indiana104
- Kentucky102
- Kansas99
- Connecticut97
- Illinois93
- Virginia86
- Alabama81
- Nebraska73
- New Jersey72
- New Hampshire70
- Iowa66
- South Dakota66
- Nevada60
- Hawaii60
- Mississippi54
- Vermont54
- Wisconsin46
- Montana41
- Arkansas40
- Louisiana38
- North Dakota35
- Utah34
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowThe tornado archiveThe radar archive20072009
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.