Alert archive / Iowa / Tornado Watches
Tornado Watches in Iowa, 2010
32 tornado 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Tornado Watches
- 32
- Busiest month
- June13 tornado watches
- Busiest day
- June 23, 20103 tornado 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 4, 3:34 PM CDT | Tornado Watch | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 9 more | 8 hr |
| Apr 5, 7:39 PM CDT | Tornado Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more | 3 hr |
| Apr 6, 2:57 PM CDT | Tornado Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 30 more | 7 hr |
| Apr 23, 7:28 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 3 more | 5 hr |
| Apr 23, 10:58 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 13 more | 5 hr |
| Apr 29, 4:39 PM CDT | Tornado Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 7 hr |
| Apr 30, 1:05 PM CDT | Tornado Watch | SPC | Allamakee, Cedar, Clayton, Clinton, Delaware, Des Moines and 11 more | 9 hr |
| Jun 1, 1:53 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 56 more | 9 hr |
| Jun 5, 3:50 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Benton, Black Hawk, Boone and 42 more | 7 hr |
| Jun 17, 1:54 PM CDT | Tornado Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cerro Gordo and 28 more | 8 hr |
| Jun 17, 5:50 PM CDT | Tornado Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 7 hr |
| Jun 18, 2:49 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 39 more | 7 hr |
| Jun 21, 4:36 PM CDT | Tornado Watch | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 18 more | 5 hr |
| Jun 22, 6:30 PM CDT | Tornado Watch | SPC | Harrison, Mills, Monona, Pottawattamie, Shelby | 6 hr |
| Jun 22, 10:49 PM CDT | Tornado Watch | SPC | Butler, Calhoun, Cerro Gordo, Franklin, Grundy, Hamilton and 8 more | 7 hr |
| Jun 23, 1:29 AM CDT | Tornado Watch | SPC | Allamakee, Benton, Buchanan, Clayton, Delaware, Dubuque and 5 more | 7 hr |
| Jun 23, 2:10 PM CDT | Tornado Watch | SPC | Appanoose, Cedar, Clinton, Davis, Decatur, Des Moines and 19 more | 7 hr |
| Jun 25, 3:35 PM CDT | Tornado Watch | SPC | Cerro Gordo, Chickasaw, Clay, Dickinson, Emmet, Floyd and 12 more | 8 hr |
| Jun 26, 12:47 PM CDT | Tornado Watch | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 14 more | 7 hr |
| Jun 26, 4:50 PM CDT | Tornado Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 8 more | 7 hr |
| Jul 14, 11:43 AM CDT | Tornado Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 7 hr |
| Jul 14, 6:53 PM CDT | Tornado Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 8 hr |
| Jul 22, 8:53 PM CDT | Tornado Watch | SPC | Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more | 5 hr |
| Jul 23, 8:30 PM CDT | Tornado Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 5 hr |
| Aug 10, 1:46 PM CDT | Tornado Watch | SPC | Adair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 26 more | 6 hr |
| Aug 12, 3:22 PM CDT | Tornado Watch | SPC | Lyon, Sioux | 7 hr |
| Aug 30, 11:42 PM CDT | Tornado Watch | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 6 hr |
| Sep 13, 2:38 PM CDT | Tornado Watch | SPC | Fremont, Mills, Montgomery, Page, Pottawattamie | 7 hr |
| Sep 15, 2:19 PM CDT | Tornado Watch | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 14 more | 6 hr |
| Oct 23, 3:22 PM CDT | Tornado Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Henry and 16 more | 3 hr |
| Oct 25, 10:03 PM CDT | Tornado Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 39 more | 9 hr |
| Nov 22, 11:23 AM CST | Tornado Watch | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Lee and 3 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Appanoose County10
- Davis County10
- Wapello County10
- Wayne County10
- Decatur County9
- Lucas County9
- Monroe County9
- Harrison County9
- Pottawattamie County9
- Shelby County9
- Dickinson County9
- Cedar County8
- Clinton County8
- Henry County8
- Lee County8
- Washington County8
- Mahaska County8
- Monona County8
- Clay County8
- O'Brien County8
- Lyon County8
- Sioux County8
- Des Moines County7
- Jefferson County7
- Louisa County7
- Muscatine County7
- Scott County7
- Van Buren County7
- Clarke County7
- Jackson County7
- Jones County7
- Linn County7
- Marion County7
- Mills County7
- Buena Vista County7
- Hancock County7
- Kossuth County7
- Palo Alto County7
- Plymouth County7
- Osceola County7
59 more counties
- Adams County6
- Ringgold County6
- Taylor County6
- Union County6
- Grundy County6
- Johnson County6
- Keokuk County6
- Madison County6
- Fremont County6
- Montgomery County6
- Page County6
- Woodbury County6
- Guthrie County6
- Allamakee County6
- Clayton County6
- Cherokee County6
- Emmet County6
- Humboldt County6
- Ida County6
- Pocahontas County6
- Winnebago County6
- Cerro Gordo County6
- Winneshiek County6
- Benton County5
- Black Hawk County5
- Dallas County5
- Delaware County5
- Dubuque County5
- Iowa County5
- Jasper County5
- Marshall County5
- Poweshiek County5
- Tama County5
- Warren County5
- Adair County5
- Audubon County5
- Carroll County5
- Cass County5
- Crawford County5
- Calhoun County5
- Greene County5
- Hamilton County5
- Webster County5
- Wright County5
- Worth County5
- Chickasaw County5
- Fayette County5
- Floyd County5
- Howard County5
- Mitchell County5
- Buchanan County4
- Polk County4
- Story County4
- Boone County4
- Hardin County4
- Sac County4
- Butler County2
- Franklin County2
- Bremer County1
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.