Alert archive / Iowa / Severe Thunderstorm Warnings / 2019
Severe Thunderstorm Warnings in Iowa, July 2019
73 severe thunderstorm warnings in July 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 July 2019. Tap one for its archive.
- Severe Thunderstorm Warnings
- 73
- Busiest day
- July 20, 201922 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 |
|---|---|---|---|---|
| Jun 30, 7:32 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren and 1 more | 43 min |
| Jul 2, 3:04 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 25 min |
| Jul 2, 4:17 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 43 min |
| Jul 2, 5:09 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 36 min |
| Jul 2, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 47 min |
| Jul 2, 8:52 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 38 min |
| Jul 3, 2:32 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 28 min |
| Jul 3, 2:36 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 24 min |
| Jul 3, 2:41 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 19 min |
| Jul 3, 3:09 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 36 min |
| Jul 3, 3:39 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk | 36 min |
| Jul 3, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 22 min |
| Jul 3, 6:21 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 24 min |
| Jul 3, 7:21 PM CDT | Severe Thunderstorm Warning | DMX | Union | 24 min |
| Jul 3, 7:32 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 28 min |
| Jul 4, 2:52 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 53 min |
| Jul 4, 3:25 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Osceola | 50 min |
| Jul 4, 4:01 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 17 min |
| Jul 4, 6:47 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 43 min |
| Jul 5, 7:56 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 31 min |
| Jul 12, 2:54 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 36 min |
| Jul 12, 3:14 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 31 min |
| Jul 12, 3:28 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 12 min |
| Jul 13, 3:45 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 34 min |
| Jul 14, 5:31 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 25 min |
| Jul 17, 6:17 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 58 min |
| Jul 17, 6:54 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Plymouth, Sioux | 66 min |
| Jul 17, 7:27 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 48 min |
| Jul 17, 8:01 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 29 min |
| Jul 17, 8:29 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 31 min |
| Jul 17, 9:51 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 39 min |
| Jul 17, 10:11 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 49 min |
| Jul 17, 10:16 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Franklin, Hamilton, Hardin, Story, Webster and 1 more | 44 min |
| Jul 17, 10:29 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 16 min |
| Jul 17, 10:35 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 10 min |
| Jul 17, 10:44 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 46 min |
| Jul 17, 10:55 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 35 min |
| Jul 17, 12:39 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 51 min |
| Jul 17, 1:50 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Lee, Van Buren, Washington | 55 min |
| Jul 17, 2:40 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee, Van Buren | 50 min |
| Jul 17, 2:44 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Louisa | 61 min |
| Jul 17, 11:38 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 39 min |
| Jul 17, 11:43 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 47 min |
| Jul 18, 12:40 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 23 min |
| Jul 18, 8:45 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 28 min |
| Jul 20, 8:15 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 30 min |
| Jul 20, 8:39 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola, Sioux | 36 min |
| Jul 20, 9:02 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 43 min |
| Jul 20, 9:37 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien, Plymouth | 38 min |
| Jul 20, 9:40 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay, Dickinson, O'Brien, Osceola | 35 min |
| Jul 20, 9:42 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 48 min |
| Jul 20, 10:15 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 60 min |
| Jul 20, 11:04 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Winnebago, Worth | 41 min |
| Jul 20, 11:16 AM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 59 min |
| Jul 20, 11:35 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hamilton, Hardin | 40 min |
| Jul 20, 11:40 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 54 min |
| Jul 20, 12:12 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton, Fayette, Winneshiek | 63 min |
| Jul 20, 2:44 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 46 min |
| Jul 20, 4:14 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene | 46 min |
| Jul 20, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk | 47 min |
| Jul 20, 4:59 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk, Story, Warren | 46 min |
| Jul 20, 5:29 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 46 min |
| Jul 20, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Lucas, Mahaska, Marion, Monroe, Poweshiek and 2 more | 47 min |
| Jul 20, 6:27 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Lucas, Mahaska, Monroe, Wapello and 1 more | 63 min |
| Jul 20, 6:40 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Keokuk, Van Buren, Washington | 65 min |
| Jul 20, 6:41 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 49 min |
| Jul 20, 6:48 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 42 min |
| Jul 20, 7:00 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 35 min |
| Jul 20, 7:24 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Warren | 35 min |
| Jul 20, 7:32 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello, Wayne | 43 min |
| Jul 20, 7:37 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Van Buren, Washington | 39 min |
| Jul 27, 7:05 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 40 min |
| Jul 28, 8:38 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 37 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lyon County8
- Sioux County8
- Osceola County6
- Henry County5
- Van Buren County5
- Shelby County5
- Boone County5
- Dallas County5
- Polk County5
- Dickinson County5
- O'Brien County5
- Warren County5
- Jefferson County4
- Washington County4
- Jackson County4
- Franklin County4
- Plymouth County4
- Clay County4
- Guthrie County4
- Lucas County4
- Wayne County4
- Des Moines County3
- Lee County3
- Pottawattamie County3
- Greene County3
- Audubon County3
- Hancock County3
- Adair County3
- Hardin County3
- Keokuk County3
- Cerro Gordo County3
- Worth County3
- Kossuth County3
- Palo Alto County3
- Jasper County3
- Marion County3
- Mahaska County3
- Monroe County3
- Louisa County2
- Webster County2
38 more counties
- Harrison County2
- Dubuque County2
- Wright County2
- Mitchell County2
- Cherokee County2
- Ida County2
- Woodbury County2
- Cass County2
- Hamilton County2
- Story County2
- Clarke County2
- Winnebago County2
- Emmet County2
- Butler County2
- Grundy County2
- Buena Vista County2
- Humboldt County2
- Poweshiek County2
- Appanoose County2
- Davis County2
- Wapello County2
- Madison County2
- Calhoun County1
- Marshall County1
- Carroll County1
- Taylor County1
- Union County1
- Monona County1
- Decatur County1
- Pocahontas County1
- Floyd County1
- Chickasaw County1
- Howard County1
- Allamakee County1
- Clayton County1
- Fayette County1
- Winneshiek County1
- Clinton 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.