Alert archive / Iowa / Severe Thunderstorm Warnings / 2012
Severe Thunderstorm Warnings in Iowa, April 2012
42 severe thunderstorm warnings in April 2012. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in April 2012. Tap one for its archive.
- Severe Thunderstorm Warnings
- 42
- Busiest day
- April 14, 201220 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Mar 31, 9:09 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jones, Linn | 66 min |
| Mar 31, 9:12 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Jones, Linn | 63 min |
| Mar 31, 9:39 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jones, Scott | 66 min |
| Mar 31, 10:17 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 58 min |
| Mar 31, 11:51 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 54 min |
| Apr 14, 1:25 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 35 min |
| Apr 14, 1:59 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery | 31 min |
| Apr 14, 2:06 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 24 min |
| Apr 14, 2:29 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 31 min |
| Apr 14, 2:41 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 49 min |
| Apr 14, 3:54 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 36 min |
| Apr 14, 4:27 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 48 min |
| Apr 14, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 38 min |
| Apr 14, 5:11 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 34 min |
| Apr 14, 5:24 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 25 min |
| Apr 14, 5:35 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 25 min |
| Apr 14, 5:43 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 32 min |
| Apr 14, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 45 min |
| Apr 14, 5:57 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 33 min |
| Apr 14, 6:02 PM CDT | Severe Thunderstorm Warning | OAX | Page | 28 min |
| Apr 14, 6:12 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 48 min |
| Apr 14, 6:26 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 34 min |
| Apr 14, 6:27 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 33 min |
| Apr 14, 6:48 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Clarke, Decatur, Madison, Ringgold, Taylor and 1 more | 42 min |
| Apr 14, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 34 min |
| Apr 14, 7:26 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Madison, Marion, Union, Warren | 49 min |
| Apr 14, 7:32 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Madison, Marion, Polk, Warren | 43 min |
| Apr 14, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Jasper, Polk, Story | 38 min |
| Apr 14, 8:10 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 50 min |
| Apr 14, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Mahaska, Marion, Monroe, Warren | 46 min |
| Apr 14, 8:33 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 57 min |
| Apr 14, 8:56 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Mahaska, Marion, Monroe, Wapello | 49 min |
| Apr 14, 9:03 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Louisa, Muscatine, Scott | 43 min |
| Apr 14, 9:14 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Keokuk, Linn, Washington | 61 min |
| Apr 14, 9:26 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Washington | 64 min |
| Apr 14, 9:38 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Cedar, Iowa, Johnson, Jones, Keokuk and 4 more | 55 min |
| Apr 14, 9:42 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 16 min |
| Apr 14, 9:55 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Jefferson, Keokuk, Louisa, Washington | 65 min |
| Apr 15, 12:41 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 34 min |
| Apr 25, 6:59 PM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 61 min |
| Apr 25, 7:29 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 61 min |
| Apr 25, 7:51 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Warren County6
- Polk County6
- Cedar County5
- Fremont County5
- Mills County5
- Madison County5
- Jones County4
- Linn County4
- Page County4
- Jasper County4
- Clarke County4
- Marion County4
- Keokuk County4
- Washington County4
- Clinton County3
- Benton County3
- Scott County3
- Montgomery County3
- Adair County3
- Adams County3
- Union County3
- Lucas County3
- Louisa County3
- Cass County2
- Pottawattamie County2
- Decatur County2
- Ringgold County2
- Taylor County2
- Dallas County2
- Story County2
- Mahaska County2
- Monroe County2
- Wapello County2
- Muscatine County2
- Iowa County2
- Johnson County2
- Henry County2
- Jefferson County2
- Lee County2
- Van Buren County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.