Alert archive / Iowa / Severe Thunderstorm Warnings / 2012
Severe Thunderstorm Warnings in Iowa, July 2012
49 severe thunderstorm warnings in July 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 July 2012. Tap one for its archive.
- Severe Thunderstorm Warnings
- 49
- Busiest day
- July 26, 201224 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 |
|---|---|---|---|---|
| Jul 1, 6:55 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 35 min |
| Jul 1, 8:24 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 36 min |
| Jul 1, 8:30 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 27 min |
| Jul 7, 4:59 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 37 min |
| Jul 9, 5:32 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 28 min |
| Jul 13, 7:22 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 53 min |
| Jul 13, 8:28 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Palo Alto | 32 min |
| Jul 13, 9:01 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 44 min |
| Jul 14, 3:00 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 45 min |
| Jul 14, 3:51 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 39 min |
| Jul 18, 3:19 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 41 min |
| Jul 18, 3:22 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 38 min |
| Jul 18, 3:57 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 39 min |
| Jul 25, 5:11 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 34 min |
| Jul 25, 5:15 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 39 min |
| Jul 25, 5:16 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 29 min |
| Jul 25, 5:25 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien | 35 min |
| Jul 25, 5:31 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 59 min |
| Jul 25, 5:39 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 24 min |
| Jul 25, 5:43 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 47 min |
| Jul 25, 6:03 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 42 min |
| Jul 25, 6:08 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 52 min |
| Jul 25, 6:17 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 43 min |
| Jul 25, 6:38 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 52 min |
| Jul 25, 6:58 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 47 min |
| Jul 25, 7:09 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Pocahontas | 51 min |
| Jul 25, 7:23 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene, Sac | 37 min |
| Jul 25, 7:29 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Wright | 46 min |
| Jul 25, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Calhoun, Greene, Hamilton, Webster | 43 min |
| Jul 25, 8:09 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hamilton, Hancock, Hardin, Wright | 51 min |
| Jul 25, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 53 min |
| Jul 25, 8:38 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 22 min |
| Jul 25, 8:39 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Hardin, Story, Webster | 66 min |
| Jul 25, 9:04 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Story, Warren | 41 min |
| Jul 25, 9:10 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Story, Tama | 50 min |
| Jul 25, 9:22 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware, Linn | 53 min |
| Jul 25, 9:40 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 35 min |
| Jul 25, 9:52 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 33 min |
| Jul 25, 9:57 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 34 min |
| Jul 25, 10:03 PM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 43 min |
| Jul 25, 10:12 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones, Linn | 63 min |
| Jul 25, 10:12 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 48 min |
| Jul 25, 10:22 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Iowa, Johnson, Linn | 53 min |
| Jul 25, 10:25 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 65 min |
| Jul 25, 10:56 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Johnson, Jones, Linn | 64 min |
| Jul 26, 4:02 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 28 min |
| Jul 26, 4:29 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 31 min |
| Jul 26, 4:44 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 46 min |
| Jul 26, 5:19 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 26 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kossuth County5
- Palo Alto County5
- Linn County4
- Boone County3
- Winneshiek County3
- Woodbury County3
- Hamilton County3
- Hardin County3
- Story County3
- Buchanan County3
- Clinton County2
- Polk County2
- Humboldt County2
- Pocahontas County2
- Chickasaw County2
- Dickinson County2
- Emmet County2
- Calhoun County2
- Greene County2
- Hancock County2
- Wright County2
- Webster County2
- Marshall County2
- Clayton County2
- Tama County2
- Delaware County2
- Jackson County2
- Jones County2
- Johnson County2
- Pottawattamie County2
- Montgomery County2
- Van Buren County1
- Mahaska County1
- Keokuk County1
- Dallas County1
- Guthrie County1
- Allamakee County1
- Sioux County1
- Cherokee County1
- O'Brien County1
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.