Alert archive / Iowa / Severe Thunderstorm Warnings / 2022
Severe Thunderstorm Warnings in Iowa, September 2022
57 severe thunderstorm warnings in September 2022. 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 September 2022. Tap one for its archive.
- Severe Thunderstorm Warnings
- 57
- Busiest day
- September 18, 202240 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 |
|---|---|---|---|---|
| Sep 2, 11:16 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 44 min |
| Sep 2, 11:44 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 61 min |
| Sep 17, 6:27 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 48 min |
| Sep 17, 6:47 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Polk, Warren | 28 min |
| Sep 17, 7:01 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 44 min |
| Sep 17, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 38 min |
| Sep 17, 7:09 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe | 51 min |
| Sep 17, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 33 min |
| Sep 17, 7:14 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 20 min |
| Sep 17, 7:17 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 43 min |
| Sep 17, 7:23 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 52 min |
| Sep 17, 7:36 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 39 min |
| Sep 17, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 49 min |
| Sep 17, 7:53 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 52 min |
| Sep 17, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe, Wapello | 50 min |
| Sep 17, 8:01 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 44 min |
| Sep 17, 8:11 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 34 min |
| Sep 17, 8:15 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 45 min |
| Sep 17, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 53 min |
| Sep 17, 8:25 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 50 min |
| Sep 17, 8:28 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 47 min |
| Sep 17, 8:42 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 18 min |
| Sep 17, 8:44 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor, Union | 46 min |
| Sep 17, 8:45 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 45 min |
| Sep 17, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 24 min |
| Sep 17, 9:06 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 39 min |
| Sep 17, 9:07 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 38 min |
| Sep 17, 9:12 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 48 min |
| Sep 17, 9:21 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 54 min |
| Sep 17, 9:27 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 48 min |
| Sep 17, 9:28 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 32 min |
| Sep 17, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 29 min |
| Sep 17, 9:37 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 23 min |
| Sep 17, 9:48 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 27 min |
| Sep 17, 10:00 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 21 min |
| Sep 17, 10:03 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 31 min |
| Sep 17, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 39 min |
| Sep 17, 10:10 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 35 min |
| Sep 17, 10:19 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 41 min |
| Sep 17, 10:27 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union | 33 min |
| Sep 17, 10:51 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 24 min |
| Sep 17, 10:56 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 49 min |
| Sep 17, 11:12 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold | 48 min |
| Sep 17, 11:26 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor, Union | 34 min |
| Sep 18, 7:55 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 35 min |
| Sep 18, 8:08 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Linn | 36 min |
| Sep 18, 8:30 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 45 min |
| Sep 18, 8:34 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson | 26 min |
| Sep 18, 8:58 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine, Scott | 32 min |
| Sep 18, 9:15 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 45 min |
| Sep 18, 9:29 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 15 min |
| Sep 18, 10:38 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 52 min |
| Sep 18, 11:02 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 32 min |
| Sep 18, 11:32 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 19 min |
| Sep 19, 12:49 AM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 56 min |
| Sep 19, 2:23 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 52 min |
| Sep 19, 2:33 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 13 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County10
- Pottawattamie County8
- Montgomery County7
- Ringgold County7
- Cass County6
- Union County5
- Polk County4
- Jasper County4
- Marion County4
- Taylor County4
- Monroe County3
- Warren County3
- Appanoose County3
- Davis County3
- Decatur County3
- Johnson County3
- Cedar County3
- Van Buren County3
- Scott County3
- Lee County3
- Lucas County2
- Madison County2
- Shelby County2
- Mills County2
- Mahaska County2
- Clarke County2
- Muscatine County2
- Winneshiek County1
- Allamakee County1
- Page County1
- Wapello County1
- Harrison County1
- Dallas County1
- Guthrie County1
- Poweshiek County1
- Marshall County1
- Adair County1
- Linn County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.