Alert archive / Iowa / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Iowa, 2013
33 severe thunderstorm watches in 2013. 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 2013. Tap one for its archive.
- Severe Thunderstorm Watches
- 33
- Busiest month
- June9 severe thunderstorm watches
- Busiest day
- July 22, 20133 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 9, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page | 7 hr |
| Apr 17, 9:14 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 25 more | 10 hr |
| Apr 29, 10:21 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 62 more | 5 hr |
| May 18, 9:26 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Lyon, Mills, Monona, Montgomery and 6 more | 5 hr |
| May 20, 6:35 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Boone, Bremer, Butler and 33 more | 5 hr |
| May 20, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Buchanan, Cedar, Chickasaw, Clayton, Clinton and 11 more | 6 hr |
| May 26, 11:03 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 hr |
| May 27, 2:51 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 23 more | 4 hr |
| May 27, 9:31 PM CDT | Severe Thunderstorm Watch | SPC | Decatur, Fremont, Page, Ringgold, Taylor | 7 hr |
| May 29, 2:56 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 29 more | 7 hr |
| May 31, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 9 hr |
| Jun 8, 3:56 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 6 hr |
| Jun 14, 9:16 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 19 more | 5 hr |
| Jun 21, 5:40 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 4 hr |
| Jun 21, 8:38 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 4 hr |
| Jun 21, 9:07 PM CDT | Severe Thunderstorm Watch | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 5 hr |
| Jun 22, 9:21 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 6 hr |
| Jun 24, 12:14 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Cedar, Clarke, Clinton, Davis and 29 more | 7 hr |
| Jun 25, 9:49 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 7 hr |
| Jun 25, 10:41 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 38 more | 5 hr |
| Jul 7, 6:03 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Ida, Lyon, O'Brien, Osceola, Plymouth and 2 more | 6 hr |
| Jul 22, 3:08 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 55 more | 9 hr |
| Jul 22, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Chickasaw, Clayton, Fayette and 5 more | 6 hr |
| Jul 22, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 5 hr |
| Jul 25, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Audubon, Black Hawk, Boone, Bremer, Buena Vista and 42 more | 7 hr |
| Jul 25, 5:18 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 9 more | 4 hr |
| Aug 1, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | Harrison, Monona, Plymouth, Woodbury | 8 hr |
| Aug 6, 6:35 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 4 hr |
| Aug 6, 6:51 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Cedar and 38 more | 3 hr |
| Aug 31, 9:47 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 17 more | 6 hr |
| Sep 19, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 22 more | 4 hr |
| Sep 19, 4:40 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 6 hr |
| Oct 3, 8:16 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 49 more | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Decatur County13
- Clarke County12
- Lucas County12
- Marion County12
- Ringgold County12
- Warren County12
- Wayne County12
- Iowa County11
- Jasper County11
- Johnson County11
- Monroe County11
- Union County11
- Wapello County11
- Polk County11
- Fremont County10
- Page County10
- Appanoose County10
- Cedar County10
- Davis County10
- Keokuk County10
- Mahaska County10
- Poweshiek County10
- Taylor County10
- Washington County10
- Dallas County10
- Madison County10
- Marshall County10
- Montgomery County9
- Louisa County9
- Muscatine County9
- Scott County9
- Benton County9
- Guthrie County9
- Linn County9
- Tama County9
- Harrison County9
- Plymouth County9
- Mills County8
- Clinton County8
- Jackson County8
59 more counties
- Jefferson County8
- Adair County8
- Adams County8
- Audubon County8
- Boone County8
- Cass County8
- Jones County8
- Story County8
- Pottawattamie County8
- Shelby County8
- Woodbury County8
- Des Moines County7
- Henry County7
- Allamakee County7
- Black Hawk County7
- Buchanan County7
- Calhoun County7
- Carroll County7
- Chickasaw County7
- Clayton County7
- Crawford County7
- Delaware County7
- Fayette County7
- Greene County7
- Grundy County7
- Hamilton County7
- Hardin County7
- Howard County7
- Sac County7
- Webster County7
- Winneshiek County7
- Lyon County7
- Monona County7
- Sioux County7
- Lee County6
- Van Buren County6
- Bremer County6
- Dubuque County6
- Floyd County6
- Mitchell County6
- O'Brien County6
- Osceola County6
- Cherokee County6
- Ida County6
- Butler County5
- Humboldt County5
- Pocahontas County5
- Wright County5
- Dickinson County5
- Buena Vista County5
- Clay County5
- Franklin County4
- Hancock County4
- Cerro Gordo County3
- Kossuth County3
- Palo Alto County3
- Winnebago County3
- Worth County2
- Emmet County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.