Alert archive / Iowa / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Iowa, 2019
45 severe thunderstorm watches in 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 watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Severe Thunderstorm Watches
- 45
- Busiest month
- June14 severe thunderstorm watches
- Busiest day
- May 28, 20194 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 |
|---|---|---|---|---|
| Apr 10, 6:39 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Pottawattamie | 6 hr |
| May 5, 3:39 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Pottawattamie, Shelby | 6 hr |
| May 16, 7:57 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Benton, Black Hawk, Boone, Carroll and 34 more | 6 hr |
| May 24, 4:40 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 13 more | 4 hr |
| May 25, 5:23 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 7 more | 6 hr |
| May 25, 7:16 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 4 more | 7 hr |
| May 27, 2:41 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page | 4 hr |
| May 27, 10:55 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 7 hr |
| May 28, 6:09 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 17 more | 5 hr |
| May 28, 3:13 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 15 more | 7 hr |
| May 28, 5:22 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Johnson, Lee, Louisa and 4 more | 5 hr |
| May 28, 9:36 PM CDT | Severe Thunderstorm Watch | SPC | Decatur, Ringgold, Taylor, Wayne | 4 hr |
| Jun 4, 4:56 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Cerro Gordo, Chickasaw, Clayton, Fayette, Floyd and 7 more | 6 hr |
| Jun 15, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Appanoose, Audubon, Benton, Black Hawk, Boone and 69 more | 8 hr |
| Jun 15, 7:07 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Van Buren | 7 hr |
| Jun 21, 2:39 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more | 8 hr |
| Jun 22, 5:38 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 19 more | 4 hr |
| Jun 25, 3:08 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 19 more | 9 hr |
| Jun 25, 6:50 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Van Buren | 5 hr |
| Jun 25, 11:59 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Decatur and 6 more | 4 hr |
| Jun 26, 2:26 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Pottawattamie | 7 hr |
| Jun 27, 4:01 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 3 more | 9 hr |
| Jun 27, 12:23 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 26 more | 6 hr |
| Jun 28, 11:23 AM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Van Buren | 7 hr |
| Jun 30, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 20 more | 4 hr |
| Jun 30, 5:54 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Des Moines, Henry, Johnson, Louisa and 3 more | 3 hr |
| Jul 1, 3:14 PM CDT | Severe Thunderstorm Watch | SPC | Cerro Gordo, Cherokee, Chickasaw, Clay, Dickinson, Emmet and 14 more | 5 hr |
| Jul 17, 4:48 AM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 21 more | 5 hr |
| Jul 17, 10:38 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Appanoose, Audubon, Benton, Black Hawk, Buchanan and 40 more | 6 hr |
| Jul 20, 5:51 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 5 hr |
| Jul 20, 9:05 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 15 more | 7 hr |
| Jul 20, 4:58 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Cedar and 30 more | 5 hr |
| Jul 28, 7:27 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, Plymouth, Sioux, Woodbury | 4 hr |
| Aug 5, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 8 hr |
| Aug 5, 3:16 PM CDT | Severe Thunderstorm Watch | SPC | Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more | 8 hr |
| Aug 17, 6:14 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Ida, Lyon, O'Brien, Osceola, Plymouth and 2 more | 8 hr |
| Aug 17, 10:16 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Calhoun, Cerro Gordo, Clay, Dickinson, Emmet and 13 more | 5 hr |
| Aug 18, 6:06 AM CDT | Severe Thunderstorm Watch | SPC | Clinton, Scott | 6 hr |
| Aug 19, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 55 more | 8 hr |
| Aug 20, 6:18 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more | 11 hr |
| Sep 10, 8:33 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 7 hr |
| Sep 11, 12:46 AM CDT | Severe Thunderstorm Watch | SPC | Cerro Gordo, Emmet, Floyd, Hancock, Kossuth, Mitchell and 3 more | 5 hr |
| Sep 12, 3:40 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Benton, Black Hawk, Boone and 55 more | 6 hr |
| Sep 27, 3:49 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Clarke, Davis and 20 more | 7 hr |
| Oct 1, 6:05 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clayton, Clinton, Delaware and 9 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Appanoose County14
- Decatur County14
- Ringgold County14
- Wayne County14
- Madison County13
- Clarke County13
- Davis County13
- Lucas County13
- Monroe County13
- Wapello County13
- Taylor County12
- Union County12
- Hancock County12
- Winnebago County12
- Adair County11
- Marion County11
- Warren County11
- Adams County11
- Cerro Gordo County11
- Fremont County10
- Dallas County10
- Guthrie County10
- Mahaska County10
- Washington County10
- Des Moines County10
- Henry County10
- Kossuth County10
- Worth County10
- Audubon County9
- Benton County9
- Cass County9
- Grundy County9
- Hardin County9
- Jasper County9
- Johnson County9
- Jones County9
- Keokuk County9
- Linn County9
- Louisa County9
- Muscatine County9
59 more counties
- Poweshiek County9
- Tama County9
- Lee County9
- Van Buren County9
- Emmet County9
- Lyon County9
- Palo Alto County9
- Sioux County9
- Mills County8
- Pottawattamie County8
- Black Hawk County8
- Cedar County8
- Iowa County8
- Jackson County8
- Polk County8
- Scott County8
- Page County8
- Jefferson County8
- Floyd County8
- Clay County8
- Dickinson County8
- Franklin County8
- O'Brien County8
- Osceola County8
- Plymouth County8
- Wright County8
- Harrison County7
- Clinton County7
- Hamilton County7
- Marshall County7
- Montgomery County7
- Chickasaw County7
- Howard County7
- Mitchell County7
- Winneshiek County7
- Buchanan County7
- Butler County7
- Cherokee County7
- Delaware County7
- Humboldt County7
- Pocahontas County7
- Shelby County6
- Greene County6
- Story County6
- Clayton County6
- Fayette County6
- Bremer County6
- Buena Vista County6
- Webster County6
- Woodbury County6
- Dubuque County6
- Boone County5
- Carroll County5
- Crawford County5
- Allamakee County5
- Calhoun County5
- Ida County5
- Sac County5
- Monona County4
The busiest days
Days with the most alerts issued, by UTC date.
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.