Alert archive / Iowa / Severe Thunderstorm Warnings / 2019
Severe Thunderstorm Warnings in Iowa, May 2019
93 severe thunderstorm warnings in May 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 May 2019. Tap one for its archive.
- Severe Thunderstorm Warnings
- 93
- Busiest day
- May 17, 201935 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 |
|---|---|---|---|---|
| May 5, 4:02 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 31 min |
| May 5, 6:28 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 32 min |
| May 5, 6:50 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 25 min |
| May 5, 6:54 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 36 min |
| May 14, 7:12 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 33 min |
| May 14, 7:37 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Osceola | 38 min |
| May 16, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Hardin, Marshall, Story | 45 min |
| May 16, 7:15 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 45 min |
| May 16, 7:21 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 54 min |
| May 16, 7:31 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 44 min |
| May 16, 7:39 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 66 min |
| May 16, 7:42 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Guthrie | 63 min |
| May 16, 7:46 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 44 min |
| May 16, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 37 min |
| May 16, 8:00 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 60 min |
| May 16, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 58 min |
| May 16, 8:04 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 32 min |
| May 16, 8:09 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Greene, Guthrie | 42 min |
| May 16, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk | 44 min |
| May 16, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 53 min |
| May 16, 8:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 23 min |
| May 16, 8:23 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 37 min |
| May 16, 8:27 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 63 min |
| May 16, 8:31 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 59 min |
| May 16, 8:40 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 35 min |
| May 16, 8:48 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 57 min |
| May 16, 8:57 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 48 min |
| May 16, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 37 min |
| May 16, 9:06 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Iowa, Johnson, Muscatine, Washington | 39 min |
| May 16, 9:15 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 60 min |
| May 16, 9:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 23 min |
| May 16, 9:23 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 52 min |
| May 16, 9:44 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 46 min |
| May 16, 9:44 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Louisa, Muscatine, Scott, Washington | 46 min |
| May 16, 9:57 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 33 min |
| May 16, 10:07 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 38 min |
| May 16, 10:10 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 50 min |
| May 16, 10:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 38 min |
| May 16, 10:32 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe, Wapello | 43 min |
| May 17, 6:41 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Louisa, Washington | 49 min |
| May 17, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall | 32 min |
| May 21, 11:35 PM CDT | Severe Thunderstorm Warning | OAX | Page | 25 min |
| May 21, 11:54 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 51 min |
| May 22, 12:42 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 48 min |
| May 22, 1:52 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster, Wright | 38 min |
| May 22, 7:46 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 44 min |
| May 22, 9:59 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 46 min |
| May 24, 5:20 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass, Ringgold, Taylor, Union | 40 min |
| May 24, 5:57 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Clarke, Decatur, Madison, Ringgold, Union and 1 more | 48 min |
| May 24, 7:07 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Marshall, Polk, Warren | 38 min |
| May 24, 7:46 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Marshall, Tama | 31 min |
| May 24, 7:54 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 21 min |
| May 24, 8:07 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Linn | 38 min |
| May 24, 10:45 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 30 min |
| May 24, 7:37 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 38 min |
| May 24, 8:26 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 41 min |
| May 24, 11:27 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 48 min |
| May 25, 7:21 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 54 min |
| May 25, 7:34 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 15 min |
| May 25, 7:37 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 38 min |
| May 25, 7:40 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 24 min |
| May 25, 7:57 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 32 min |
| May 25, 8:09 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 66 min |
| May 25, 8:24 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 66 min |
| May 25, 10:23 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 17 min |
| May 26, 1:02 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 28 min |
| May 27, 5:35 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Clarke, Decatur, Madison, Ringgold and 2 more | 40 min |
| May 27, 6:00 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison, Union | 30 min |
| May 27, 6:49 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Lucas, Marion, Marshall, Polk, Story and 1 more | 26 min |
| May 28, 4:23 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 37 min |
| May 28, 4:55 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie, Shelby | 17 min |
| May 28, 5:29 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 31 min |
| May 28, 5:53 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 40 min |
| May 28, 5:53 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Montgomery, Page | 52 min |
| May 28, 6:19 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 41 min |
| May 28, 6:21 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 39 min |
| May 28, 6:57 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Clarke, Decatur, Ringgold, Taylor, Union | 48 min |
| May 28, 6:59 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 20 min |
| May 28, 7:35 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 40 min |
| May 28, 9:40 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 50 min |
| May 28, 10:19 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe | 26 min |
| May 28, 2:34 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 41 min |
| May 28, 3:26 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 34 min |
| May 28, 4:32 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 58 min |
| May 28, 6:53 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee, Louisa | 67 min |
| May 28, 10:05 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 40 min |
| May 29, 9:00 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn | 75 min |
| May 29, 10:09 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jones | 66 min |
| May 29, 10:30 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 30 min |
| May 29, 10:37 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 53 min |
| May 29, 11:26 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette, Winneshiek | 34 min |
| May 30, 1:15 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 45 min |
| May 31, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 13 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Polk County8
- Union County8
- Harrison County7
- Marshall County7
- Jasper County7
- Marion County7
- Madison County7
- Warren County7
- Adair County7
- Guthrie County6
- Dallas County6
- Adams County6
- Ringgold County6
- Clarke County6
- Scott County5
- Poweshiek County5
- Mahaska County5
- Lee County5
- Taylor County5
- Lucas County5
- Story County4
- Clinton County4
- Tama County4
- Audubon County4
- Iowa County4
- Johnson County4
- Cedar County4
- Monroe County4
- Decatur County4
- Appanoose County4
- Fremont County3
- Benton County3
- Linn County3
- Muscatine County3
- Washington County3
- Pottawattamie County3
- Louisa County3
- Henry County3
- Jefferson County3
- Page County3
31 more counties
- Montgomery County3
- Cass County3
- Winneshiek County3
- Wayne County3
- Van Buren County3
- Clayton County2
- Osceola County2
- Hardin County2
- Carroll County2
- Monona County2
- Shelby County2
- Wapello County2
- Allamakee County2
- Des Moines County2
- Davis County2
- Mills County2
- Jones County2
- Lyon County1
- O'Brien County1
- Greene County1
- Keokuk County1
- Grundy County1
- Humboldt County1
- Webster County1
- Wright County1
- Black Hawk County1
- Buchanan County1
- Bremer County1
- Chickasaw County1
- Fayette County1
- Boone 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.