Alert archive / Iowa / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Iowa, 2015
29 severe thunderstorm watches in 2015. 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 2015. Tap one for its archive.
- Severe Thunderstorm Watches
- 29
- Busiest month
- June12 severe thunderstorm watches
- Busiest day
- June 22, 20155 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 1, 5:57 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 13 more | 7 hr |
| May 10, 1:47 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Fremont, Mills, Montgomery, Page, Ringgold and 2 more | 8 hr |
| May 25, 5:33 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 39 more | 6 hr |
| Jun 6, 11:23 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 32 more | 6 hr |
| Jun 7, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Clarke, Davis, Decatur, Des Moines, Henry and 10 more | 4 hr |
| Jun 11, 8:25 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Van Buren | 5 hr |
| Jun 20, 3:18 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 3 more | 3 hr |
| Jun 22, 2:25 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 6 hr |
| Jun 22, 5:33 AM CDT | Severe Thunderstorm Watch | SPC | Black Hawk, Boone, Bremer, Butler, Cerro Gordo, Emmet and 15 more | 6 hr |
| Jun 22, 6:03 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 4 hr |
| Jun 22, 8:08 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 4 hr |
| Jun 22, 9:39 AM CDT | Severe Thunderstorm Watch | SPC | Muscatine, Scott | 3 hr |
| Jun 24, 9:26 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more | 6 hr |
| Jun 24, 11:26 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Appanoose, Audubon, Boone, Carroll, Clarke and 17 more | 3 hr |
| Jun 29, 1:57 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Fayette, Howard, Winneshiek | 8 hr |
| Jul 5, 7:42 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 8 hr |
| Jul 12, 9:59 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 7 more | 6 hr |
| Jul 13, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee | 6 hr |
| Jul 16, 4:55 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Louisa, Van Buren | 7 hr |
| Jul 17, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 5 hr |
| Jul 25, 9:32 PM CDT | Severe Thunderstorm Watch | SPC | Dickinson, Lyon, Osceola | 3 hr |
| Jul 28, 5:46 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 28 more | 6 hr |
| Aug 2, 6:47 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 20 more | 7 hr |
| Aug 2, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Des Moines, Iowa, Jackson, Johnson and 5 more | 5 hr |
| Aug 6, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, Osceola | 7 hr |
| Aug 8, 8:51 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Cass, Clarke, Decatur, Fremont and 10 more | 6 hr |
| Aug 9, 1:42 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Ida, Lyon, O'Brien, Osceola, Plymouth and 2 more | 9 hr |
| Sep 6, 6:02 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Audubon, Black Hawk, Boone and 47 more | 7 hr |
| Sep 17, 6:38 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 7 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Union County10
- Clarke County9
- Ringgold County8
- Taylor County8
- Lucas County8
- Adams County7
- Page County7
- Decatur County7
- Monroe County7
- Warren County7
- Wayne County7
- Lyon County7
- Osceola County7
- O'Brien County6
- Sioux County6
- Fremont County6
- Montgomery County6
- Adair County6
- Appanoose County6
- Davis County6
- Madison County6
- Wapello County6
- Des Moines County6
- Henry County6
- Lee County6
- Van Buren County6
- Audubon County5
- Carroll County5
- Clay County5
- Mills County5
- Boone County5
- Cass County5
- Jasper County5
- Mahaska County5
- Marion County5
- Story County5
- Jefferson County5
- Dickinson County5
- Allamakee County5
- Calhoun County4
59 more counties
- Cherokee County4
- Crawford County4
- Harrison County4
- Ida County4
- Plymouth County4
- Pocahontas County4
- Sac County4
- Shelby County4
- Woodbury County4
- Black Hawk County4
- Dallas County4
- Greene County4
- Grundy County4
- Guthrie County4
- Hamilton County4
- Hardin County4
- Marshall County4
- Polk County4
- Poweshiek County4
- Tama County4
- Bremer County4
- Butler County4
- Fayette County4
- Howard County4
- Winneshiek County4
- Iowa County4
- Johnson County4
- Muscatine County4
- Louisa County4
- Buena Vista County3
- Palo Alto County3
- Pottawattamie County3
- Webster County3
- Franklin County3
- Humboldt County3
- Wright County3
- Kossuth County3
- Cerro Gordo County3
- Winnebago County3
- Worth County3
- Chickasaw County3
- Clayton County3
- Floyd County3
- Mitchell County3
- Cedar County3
- Clinton County3
- Jackson County3
- Jones County3
- Linn County3
- Scott County3
- Keokuk County3
- Washington County3
- Emmet County2
- Hancock County2
- Benton County2
- Monona County1
- Buchanan County1
- Delaware County1
- Dubuque County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.