Alert archive / Iowa / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Iowa, 2010
77 severe thunderstorm watches in 2010. 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 2010. Tap one for its archive.
- Severe Thunderstorm Watches
- 77
- Busiest month
- June30 severe thunderstorm watches
- Busiest day
- June 23, 20105 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 2, 10:25 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Jasper, Lucas, Mahaska, Marion and 6 more | 3 hr |
| Apr 2, 12:59 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Chickasaw, Clayton, Delaware and 6 more | 117 min |
| Apr 5, 1:29 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 34 more | 6 hr |
| Apr 5, 10:39 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 30 more | 6 hr |
| Apr 5, 11:07 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Jackson, Scott | 5 hr |
| Apr 6, 4:44 AM CDT | Severe Thunderstorm Watch | SPC | Clinton, Dubuque, Jackson, Scott | 4 hr |
| Apr 6, 5:06 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Fayette, Winneshiek | 6 hr |
| Apr 6, 9:28 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Des Moines, Dubuque, Henry, Jackson, Lee and 4 more | 6 hr |
| Apr 29, 9:15 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 13 more | 6 hr |
| Apr 29, 11:46 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby | 4 hr |
| Apr 30, 10:20 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 34 more | 5 hr |
| Apr 30, 12:23 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 6 hr |
| May 6, 9:16 PM CDT | Severe Thunderstorm Watch | SPC | Decatur, Fremont, Page, Ringgold, Taylor | 8 hr |
| May 12, 11:58 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 3 more | 5 hr |
| Jun 1, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Des Moines, Henry, Iowa and 10 more | 8 hr |
| Jun 4, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Clarke, Davis, Decatur, Des Moines, Fremont and 12 more | 7 hr |
| Jun 4, 10:58 PM CDT | Severe Thunderstorm Watch | SPC | Lee, Van Buren | 5 hr |
| Jun 4, 11:32 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 33 more | 8 hr |
| Jun 5, 4:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 33 more | 5 hr |
| Jun 10, 6:44 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 42 more | 7 hr |
| Jun 11, 1:13 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 4 hr |
| Jun 12, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 hr |
| Jun 17, 5:32 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 7 hr |
| Jun 17, 9:01 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 50 more | 6 hr |
| Jun 18, 9:06 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Benton, Black Hawk, Boone, Bremer and 46 more | 7 hr |
| Jun 18, 12:29 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 9 hr |
| Jun 18, 8:05 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 4 hr |
| Jun 20, 8:07 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 13 more | 6 hr |
| Jun 20, 9:57 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 7 hr |
| Jun 21, 3:45 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 5 hr |
| Jun 21, 5:56 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Fremont, Page, Ringgold, Taylor, Union | 7 hr |
| Jun 21, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Lee, Van Buren | 7 hr |
| Jun 22, 1:01 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 30 more | 6 hr |
| Jun 22, 7:56 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 8 hr |
| Jun 22, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 49 more | 9 hr |
| Jun 23, 12:01 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 3 hr |
| Jun 23, 2:36 AM CDT | Severe Thunderstorm Watch | SPC | Howard, Mitchell | 5 hr |
| Jun 23, 3:38 AM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Iowa, Johnson, Keokuk, Louisa and 3 more | 6 hr |
| Jun 25, 7:42 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Clayton, Delaware, Dubuque and 4 more | 7 hr |
| Jun 25, 9:06 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Black Hawk, Boone, Bremer, Buena Vista and 41 more | 8 hr |
| Jun 26, 7:56 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Audubon, Black Hawk, Boone, Bremer, Butler and 35 more | 7 hr |
| Jun 26, 11:14 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 5 hr |
| Jun 27, 12:37 AM CDT | Severe Thunderstorm Watch | SPC | Harrison, Monona, Pottawattamie, Shelby | 3 hr |
| Jun 27, 2:52 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 35 more | 5 hr |
| Jul 10, 8:01 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux, Woodbury | 5 hr |
| Jul 14, 4:38 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 21 more | 5 hr |
| Jul 14, 4:52 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 hr |
| Jul 14, 8:17 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Black Hawk, Boone, Bremer, Butler and 21 more | 5 hr |
| Jul 16, 4:41 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Allamakee, Audubon, Boone, Bremer, Buena Vista and 43 more | 6 hr |
| Jul 17, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buena Vista, Butler, Calhoun and 33 more | 6 hr |
| Jul 18, 1:07 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 33 more | 5 hr |
| Jul 18, 3:05 AM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Van Buren | 5 hr |
| Jul 19, 7:44 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Clarke, Dallas, Davis, Decatur, Des Moines and 20 more | 6 hr |
| Jul 20, 1:36 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 13 more | 6 hr |
| Jul 22, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Allamakee, Audubon, Benton, Black Hawk, Boone and 43 more | 6 hr |
| Jul 23, 3:01 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Jackson, Jones, Louisa, Muscatine and 1 more | 5 hr |
| Jul 23, 11:16 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 15 more | 5 hr |
| Jul 24, 1:53 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Van Buren | 7 hr |
| Jul 28, 2:23 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Louisa | 5 hr |
| Aug 3, 11:19 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Dallas, Davis, Decatur and 16 more | 6 hr |
| Aug 4, 1:57 AM CDT | Severe Thunderstorm Watch | SPC | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 6 hr |
| Aug 8, 2:32 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 16 more | 7 hr |
| Aug 8, 7:05 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 33 more | 7 hr |
| Aug 8, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Allamakee, Benton, Buchanan, Cedar, Chickasaw and 31 more | 7 hr |
| Aug 13, 2:14 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Davis, Des Moines, Dubuque, Henry and 11 more | 7 hr |
| Aug 13, 2:39 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Cerro Gordo, Chickasaw, Clayton, Emmet, Fayette and 9 more | 7 hr |
| Aug 19, 10:10 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 10 more | 4 hr |
| Aug 20, 1:58 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 15 more | 8 hr |
| Aug 31, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Benton, Black Hawk, Boone and 49 more | 7 hr |
| Sep 2, 1:11 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more | 5 hr |
| Sep 6, 7:50 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek | 3 hr |
| Sep 13, 6:09 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Clarke, Decatur, Ringgold, Taylor, Union and 1 more | 4 hr |
| Sep 17, 11:12 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 16 more | 7 hr |
| Sep 18, 9:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Cass, Clarke, Dallas and 10 more | 8 hr |
| Sep 21, 1:31 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Des Moines, Dubuque, Henry, Iowa and 12 more | 7 hr |
| Sep 21, 1:54 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Clarke, Davis, Decatur, Lucas, Monroe and 4 more | 7 hr |
| Sep 22, 11:12 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Humboldt and 10 more | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lucas County23
- Polk County23
- Warren County23
- Clarke County23
- Dallas County23
- Ringgold County23
- Union County23
- Adams County22
- Audubon County22
- Decatur County22
- Guthrie County22
- Taylor County22
- Wayne County21
- Adair County21
- Cass County21
- Lee County21
- Madison County21
- Jasper County20
- Marion County20
- Wapello County20
- Boone County20
- Greene County20
- Henry County20
- Van Buren County20
- Des Moines County20
- Appanoose County19
- Davis County19
- Monroe County19
- Poweshiek County19
- Carroll County19
- Story County19
- Fremont County19
- Page County19
- Pottawattamie County19
- Mahaska County18
- Jefferson County18
- Mills County17
- Shelby County17
- Louisa County17
- Crawford County17
59 more counties
- Marshall County16
- Montgomery County16
- Tama County15
- Franklin County15
- Humboldt County15
- Johnson County14
- Washington County14
- Jackson County14
- Scott County14
- Hardin County14
- Wright County14
- Harrison County14
- Monona County14
- Pocahontas County14
- Benton County13
- Dubuque County13
- Fayette County13
- Linn County13
- Keokuk County13
- Clinton County13
- Muscatine County13
- Hamilton County13
- Bremer County13
- Butler County13
- Cedar County13
- Plymouth County13
- Allamakee County12
- Chickasaw County12
- Clayton County12
- Howard County12
- Jones County12
- Winneshiek County12
- Iowa County12
- Cerro Gordo County12
- Webster County12
- Grundy County12
- Buena Vista County12
- Cherokee County12
- Woodbury County12
- O'Brien County12
- Emmet County12
- Hancock County12
- Kossuth County12
- Palo Alto County12
- Buchanan County11
- Calhoun County11
- Sac County11
- Black Hawk County11
- Ida County11
- Clay County11
- Osceola County11
- Winnebago County11
- Floyd County10
- Mitchell County10
- Dickinson County10
- Worth County10
- Delaware County9
- Lyon County9
- Sioux County9
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.