Alert archive / Iowa / Severe Thunderstorm Warnings / 2019
Severe Thunderstorm Warnings in Iowa, August 2019
52 severe thunderstorm warnings in August 2019. 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 August 2019. Tap one for its archive.
- Severe Thunderstorm Warnings
- 52
- Busiest day
- August 20, 201927 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 |
|---|---|---|---|---|
| Aug 5, 5:34 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 24 min |
| Aug 5, 7:24 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 36 min |
| Aug 5, 7:48 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Wright | 57 min |
| Aug 5, 7:56 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hancock, Wright | 49 min |
| Aug 5, 8:07 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 38 min |
| Aug 5, 8:30 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin, Wright | 45 min |
| Aug 5, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Humboldt, Webster, Wright | 28 min |
| Aug 5, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 32 min |
| Aug 5, 8:59 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 46 min |
| Aug 13, 5:42 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 35 min |
| Aug 15, 7:52 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 53 min |
| Aug 17, 3:33 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 27 min |
| Aug 17, 10:46 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 44 min |
| Aug 17, 11:17 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, O'Brien, Osceola, Sioux | 43 min |
| Aug 17, 11:39 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 51 min |
| Aug 18, 12:59 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 46 min |
| Aug 18, 3:36 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 39 min |
| Aug 18, 3:43 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 32 min |
| Aug 18, 5:22 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 38 min |
| Aug 18, 5:44 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 31 min |
| Aug 20, 2:01 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 44 min |
| Aug 20, 2:18 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 42 min |
| Aug 20, 2:32 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Ida, Plymouth, Woodbury | 43 min |
| Aug 20, 2:35 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Wright | 40 min |
| Aug 20, 2:38 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Sac | 52 min |
| Aug 20, 2:40 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 20 min |
| Aug 20, 2:49 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 41 min |
| Aug 20, 2:55 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 20 min |
| Aug 20, 3:10 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 35 min |
| Aug 20, 3:33 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 42 min |
| Aug 20, 3:44 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 46 min |
| Aug 20, 3:48 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Wright | 42 min |
| Aug 20, 4:10 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 50 min |
| Aug 20, 4:20 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin | 40 min |
| Aug 20, 4:33 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 42 min |
| Aug 20, 4:35 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Boone, Dallas, Greene, Guthrie, Madison | 40 min |
| Aug 20, 5:02 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Grundy, Hamilton, Hardin | 43 min |
| Aug 20, 5:32 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk, Warren | 33 min |
| Aug 20, 5:38 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 28 min |
| Aug 20, 5:48 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 15 min |
| Aug 20, 5:55 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Jasper, Lucas, Mahaska, Marion, Monroe and 4 more | 65 min |
| Aug 20, 6:28 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Iowa, Jefferson, Johnson, Keokuk, Louisa and 2 more | 62 min |
| Aug 20, 6:34 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Lucas, Mahaska, Monroe, Wapello and 1 more | 56 min |
| Aug 20, 6:37 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Cedar, Iowa, Johnson, Jones, Linn | 31 min |
| Aug 20, 7:08 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 52 min |
| Aug 20, 7:53 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa, Muscatine | 67 min |
| Aug 20, 7:58 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 62 min |
| Aug 29, 6:00 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 27 min |
| Aug 29, 10:19 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 56 min |
| Aug 29, 10:51 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 39 min |
| Aug 29, 11:15 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 17 min |
| Aug 29, 11:27 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Wright County9
- Franklin County7
- Hardin County5
- Hamilton County5
- Kossuth County4
- Carroll County4
- Emmet County3
- Cerro Gordo County3
- Hancock County3
- Humboldt County3
- O'Brien County3
- Sioux County3
- Plymouth County3
- Mahaska County3
- Ida County3
- Woodbury County3
- Greene County3
- Jasper County3
- Warren County3
- Monroe County3
- Wapello County3
- Louisa County3
- Appanoose County3
- Davis County3
- Des Moines County3
- Van Buren County3
- Grundy County2
- Lyon County2
- Clay County2
- Dickinson County2
- Osceola County2
- Palo Alto County2
- Marion County2
- Cedar County2
- Clinton County2
- Scott County2
- Cherokee County2
- Calhoun County2
- Sac County2
- Shelby County2
34 more counties
- Crawford County2
- Boone County2
- Madison County2
- Polk County2
- Clarke County2
- Lucas County2
- Wayne County2
- Henry County2
- Iowa County2
- Jefferson County2
- Johnson County2
- Keokuk County2
- Muscatine County2
- Washington County2
- Lee County2
- Worth County1
- Butler County1
- Webster County1
- Allamakee County1
- Clayton County1
- Howard County1
- Mitchell County1
- Fremont County1
- Buchanan County1
- Buena Vista County1
- Audubon County1
- Adair County1
- Dallas County1
- Guthrie County1
- Union County1
- Poweshiek County1
- Benton County1
- Jones County1
- Linn County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.