Alert archive / Iowa / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Iowa, 2016
44 severe thunderstorm watches in 2016. 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 2016. Tap one for its archive.
- Severe Thunderstorm Watches
- 44
- Busiest month
- July19 severe thunderstorm watches
- Busiest day
- July 7, 20165 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 24, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 27 more | 8 hr |
| Apr 25, 2:17 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Scott | 8 hr |
| May 9, 5:13 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Calhoun, Carroll, Cass and 15 more | 6 hr |
| May 11, 3:10 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Cass, Clarke, Decatur, Fremont and 7 more | 5 hr |
| May 13, 1:25 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Clarke, Davis, Decatur, Des Moines, Henry and 16 more | 6 hr |
| May 25, 8:36 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Ida, Monona, O'Brien, Plymouth, Sioux and 1 more | 5 hr |
| May 28, 1:37 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 36 more | 7 hr |
| Jun 10, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Cerro Gordo, Emmet, Hancock, Howard, Kossuth and 6 more | 6 hr |
| Jun 14, 12:43 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 52 more | 8 hr |
| Jun 14, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Chickasaw, Clayton, Clinton and 10 more | 7 hr |
| Jun 17, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 7 hr |
| Jun 20, 4:10 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 17 more | 5 hr |
| Jun 21, 10:21 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more | 7 hr |
| Jun 21, 11:18 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Calhoun and 34 more | 6 hr |
| Jul 5, 3:29 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 7 hr |
| Jul 5, 4:10 PM CDT | Severe Thunderstorm Watch | SPC | Cerro Gordo, Chickasaw, Emmet, Floyd, Franklin, Hancock and 10 more | 7 hr |
| Jul 5, 8:10 PM CDT | Severe Thunderstorm Watch | SPC | Harrison, Monona, Pottawattamie, Shelby | 5 hr |
| Jul 5, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 16 more | 7 hr |
| Jul 5, 10:35 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 22 more | 5 hr |
| Jul 6, 1:55 AM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 6 hr |
| Jul 6, 7:38 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 7 more | 6 hr |
| Jul 7, 12:47 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 37 more | 4 hr |
| Jul 7, 1:37 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 11 more | 6 hr |
| Jul 7, 6:01 AM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Van Buren | 6 hr |
| Jul 7, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 37 more | 5 hr |
| Jul 11, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 21 more | 7 hr |
| Jul 11, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | Harrison, Monona, Pottawattamie, Shelby | 6 hr |
| Jul 13, 11:14 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Cedar, Clarke, Davis, Decatur and 26 more | 5 hr |
| Jul 13, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Scott | 5 hr |
| Jul 16, 6:57 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 7 hr |
| Jul 19, 2:18 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Decatur, Lucas, Monroe, Van Buren and 2 more | 6 hr |
| Jul 21, 6:18 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Dubuque, Jackson, Scott | 6 hr |
| Jul 23, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clayton, Clinton, Delaware and 8 more | 7 hr |
| Aug 4, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 26 more | 6 hr |
| Aug 4, 8:59 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Louisa | 3 hr |
| Aug 11, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 51 more | 7 hr |
| Aug 18, 2:46 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| Aug 18, 7:23 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, Osceola | 4 hr |
| Sep 4, 10:40 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, Plymouth, Sioux | 4 hr |
| Sep 6, 5:18 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 4 hr |
| Sep 6, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 30 more | 7 hr |
| Sep 15, 4:38 PM CDT | Severe Thunderstorm Watch | SPC | Crawford, Harrison, Ida, Monona, Pottawattamie, Sac and 2 more | 5 hr |
| Sep 19, 2:31 PM CDT | Severe Thunderstorm Watch | SPC | Clayton | 3 hr |
| Sep 20, 9:34 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Cerro Gordo, Chickasaw, Clayton, Fayette, Floyd and 6 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Monona County12
- Pottawattamie County12
- Sioux County12
- Harrison County11
- Lyon County11
- O'Brien County11
- Plymouth County11
- Hancock County11
- Adair County10
- Calhoun County10
- Cass County10
- Crawford County10
- Ida County10
- Osceola County10
- Pocahontas County10
- Sac County10
- Shelby County10
- Woodbury County10
- Cerro Gordo County10
- Adams County9
- Audubon County9
- Carroll County9
- Cherokee County9
- Clay County9
- Dickinson County9
- Greene County9
- Palo Alto County9
- Howard County9
- Mitchell County9
- Winnebago County9
- Worth County9
- Humboldt County9
- Wright County9
- Buena Vista County8
- Emmet County8
- Guthrie County8
- Mills County8
- Montgomery County8
- Clinton County8
- Scott County8
59 more counties
- Union County8
- Van Buren County8
- Allamakee County8
- Black Hawk County8
- Bremer County8
- Butler County8
- Chickasaw County8
- Clayton County8
- Floyd County8
- Grundy County8
- Tama County8
- Winneshiek County8
- Kossuth County8
- Franklin County8
- Hamilton County8
- Marshall County8
- Webster County8
- Taylor County7
- Clarke County7
- Decatur County7
- Des Moines County7
- Lucas County7
- Benton County7
- Jones County7
- Linn County7
- Poweshiek County7
- Hardin County7
- Madison County7
- Fremont County6
- Page County6
- Ringgold County6
- Davis County6
- Henry County6
- Jefferson County6
- Keokuk County6
- Lee County6
- Louisa County6
- Mahaska County6
- Marion County6
- Monroe County6
- Wapello County6
- Warren County6
- Washington County6
- Wayne County6
- Buchanan County6
- Cedar County6
- Dubuque County6
- Fayette County6
- Iowa County6
- Jackson County6
- Johnson County6
- Muscatine County6
- Boone County6
- Dallas County6
- Polk County6
- Story County6
- Appanoose County5
- Delaware County5
- Jasper County5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.