Alert archive / Iowa / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Iowa, 2022
39 severe thunderstorm watches in 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 watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Severe Thunderstorm Watches
- 39
- Busiest month
- May10 severe thunderstorm watches
- Busiest day
- July 5, 20224 severe thunderstorm watches
Over time
By month
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 |
|---|---|---|---|---|
| Mar 29, 5:33 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 14 more | 5 hr |
| Apr 12, 6:46 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Cass, Dallas and 15 more | 6 hr |
| Apr 12, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Fayette | 3 hr |
| Apr 21, 11:16 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie, Shelby | 7 hr |
| Apr 23, 4:01 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 50 more | 6 hr |
| Apr 29, 7:27 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 4 hr |
| Apr 29, 8:34 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Cass, Clarke, Decatur, Madison and 3 more | 4 hr |
| May 9, 7:36 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 17 more | 5 hr |
| May 12, 2:14 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie, Shelby | 8 hr |
| May 12, 3:27 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 7 hr |
| May 12, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Calhoun, Carroll, Crawford, Emmet, Hancock and 6 more | 3 hr |
| May 17, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Decatur, Ringgold, Wayne | 4 hr |
| May 19, 8:57 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Buena Vista, Butler, Calhoun and 34 more | 6 hr |
| May 29, 3:02 AM CDT | Severe Thunderstorm Watch | SPC | Lyon, Osceola | 5 hr |
| May 30, 12:03 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 9 more | 8 hr |
| May 30, 7:06 PM CDT | Severe Thunderstorm Watch | SPC | Chickasaw, Floyd, Howard, Mitchell | 7 hr |
| May 30, 9:54 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 36 more | 6 hr |
| Jun 7, 6:36 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 6 hr |
| Jun 7, 8:35 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 8 more | 6 hr |
| Jun 14, 9:23 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Bremer, Butler, Calhoun and 22 more | 7 hr |
| Jun 15, 6:21 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 13 more | 6 hr |
| Jun 16, 10:13 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Page, Ringgold, Taylor | 6 hr |
| Jun 25, 5:02 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Louisa, Muscatine, Scott and 1 more | 7 hr |
| Jul 4, 8:07 PM CDT | Severe Thunderstorm Watch | SPC | Buchanan, Clayton, Delaware, Dubuque, Fayette, Jackson and 1 more | 7 hr |
| Jul 5, 1:37 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more | 5 hr |
| Jul 5, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 40 more | 6 hr |
| Jul 5, 4:34 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Cedar, Chickasaw, Clayton and 15 more | 7 hr |
| Jul 11, 1:10 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Black Hawk, Boone, Calhoun, Carroll and 18 more | 6 hr |
| Jul 11, 5:40 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Iowa, Jackson and 5 more | 2 hr |
| Jul 23, 11:34 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Cerro Gordo, Chickasaw, Clayton, Fayette, Floyd and 5 more | 6 hr |
| Jul 23, 5:01 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Ida, Monona, Plymouth, Woodbury | 5 hr |
| Jul 23, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 37 more | 6 hr |
| Aug 18, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 6 more | 5 hr |
| Aug 19, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 34 more | 5 hr |
| Aug 28, 1:09 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Jackson | 6 hr |
| Aug 29, 10:12 AM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Louisa, Scott | 5 hr |
| Sep 17, 5:46 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 7 hr |
| Sep 17, 7:16 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 27 more | 7 hr |
| Oct 23, 6:12 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adair County12
- Cass County12
- Pottawattamie County12
- Audubon County11
- Fremont County11
- Harrison County11
- Mills County11
- Shelby County11
- Guthrie County10
- Montgomery County10
- Ringgold County10
- Boone County10
- Hardin County10
- Madison County10
- Story County10
- Grundy County10
- Adams County9
- Carroll County9
- Monona County9
- Taylor County9
- Union County9
- Dallas County9
- Hamilton County9
- Marshall County9
- Crawford County8
- Page County8
- Polk County8
- Butler County8
- Greene County8
- Tama County8
- Ida County7
- Woodbury County7
- Black Hawk County7
- Bremer County7
- Calhoun County7
- Cerro Gordo County7
- Clarke County7
- Decatur County7
- Franklin County7
- Sac County7
59 more counties
- Wayne County7
- Webster County7
- Winnebago County7
- Fayette County6
- Floyd County6
- Hancock County6
- Humboldt County6
- Jasper County6
- Kossuth County6
- Mitchell County6
- Palo Alto County6
- Pocahontas County6
- Warren County6
- Worth County6
- Wright County6
- Buchanan County6
- Cherokee County6
- Osceola County6
- Plymouth County6
- Allamakee County5
- Emmet County5
- Lucas County5
- Marion County5
- Monroe County5
- Poweshiek County5
- Benton County5
- Chickasaw County5
- Clayton County5
- Howard County5
- Buena Vista County5
- Clay County5
- Dickinson County5
- Lyon County5
- O'Brien County5
- Sioux County5
- Appanoose County5
- Davis County5
- Clinton County5
- Scott County5
- Jackson County5
- Mahaska County4
- Delaware County4
- Winneshiek County4
- Wapello County4
- Iowa County4
- Johnson County4
- Muscatine County4
- Jones County4
- Linn County4
- Cedar County3
- Des Moines County3
- Henry County3
- Louisa County3
- Van Buren County3
- Dubuque County3
- Jefferson County2
- Keokuk County2
- Lee County2
- Washington County2
The busiest days
Days with the most alerts issued, by UTC date.
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.