Alert archive / Iowa / Special Weather Statements / 2011
Special Weather Statements in Iowa, May 2011
9 special weather statements in May 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of special weather statements reaches back to 2006.
Special Weather Statements by county
Each county as a circle sized by its count in May 2011. Tap one for its archive.
- Special Weather Statements
- 9
- Busiest day
- May 31, 20113 special weather statements
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 8:49 PM CDT | Special Weather Statement | DVN | Benton, Iowa, Johnson, Keokuk, Linn, Washington | 56 min |
| May 11, 9:30 PM CDT | Special Weather Statement | DVN | Cedar, Henry, Jefferson, Johnson, Jones, Linn and 3 more | 60 min |
| May 21, 10:09 PM CDT | Special Weather Statement | DVN | Iowa, Jefferson, Keokuk | 51 min |
| May 24, 4:13 PM CDT | Special Weather Statement | DVN | Benton, Iowa | 62 min |
| May 25, 2:20 AM CDT | Special Weather Statement | DVN | Lee, Van Buren | 70 min |
| May 25, 3:46 AM CDT | Special Weather Statement | DVN | Des Moines, Iowa, Johnson, Keokuk, Louisa, Muscatine and 1 more | 59 min |
| May 31, 5:38 AM CDT | Special Weather Statement | DVN | Henry, Jefferson, Van Buren | 52 min |
| May 31, 6:05 AM CDT | Special Weather Statement | DVN | Henry | 25 min |
| May 31, 6:10 AM CDT | Special Weather Statement | DVN | Lee | 35 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe 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. Warning verification from the Mesonet's Cow. Rebuilt daily.