Alert archive / Iowa / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Iowa, 2001
68 severe thunderstorm watches in 2001. 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 2001. Tap one for its archive.
- Severe Thunderstorm Watches
- 68
- Busiest month
- July16 severe thunderstorm watches
- Busiest day
- May 10, 20016 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 5, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Cass, Dallas and 12 more | 5 hr |
| Apr 5, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Benton, Black Hawk, Buchanan and 37 more | 6 hr |
| Apr 5, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Lee, Van Buren | 5 hr |
| Apr 7, 1:45 AM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Harrison, Lyon, Monona, O'Brien, Osceola and 3 more | 5 hr |
| Apr 11, 4:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 21 more | 5 hr |
| Apr 14, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Montgomery, Page | 5 hr |
| Apr 20, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 29 more | 6 hr |
| Apr 20, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Clarke, Decatur, Fremont, Mills, Montgomery and 4 more | 6 hr |
| Apr 20, 11:15 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Boone, Bremer and 44 more | 5 hr |
| Apr 22, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 31 more | 6 hr |
| May 1, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Carroll, Cass, Crawford, Dallas and 9 more | 6 hr |
| May 1, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Allamakee, Audubon, Boone, Bremer, Buena Vista and 42 more | 6 hr |
| May 9, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Butler and 40 more | 6 hr |
| May 9, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Cass and 29 more | 5 hr |
| May 9, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Fayette, Winneshiek | 5 hr |
| May 10, 11:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Allamakee, Audubon, Benton, Black Hawk, Boone and 47 more | 5 hr |
| May 10, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Benton, Black Hawk, Boone and 46 more | 6 hr |
| May 10, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Dubuque | 5 hr |
| May 10, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Cass, Fremont, Mills, Montgomery, Page, Pottawattamie and 1 more | 5 hr |
| May 10, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 20 more | 5 hr |
| Jun 1, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills | 5 hr |
| Jun 3, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Decatur, Ringgold, Taylor, Wayne | 5 hr |
| Jun 9, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 6 hr |
| Jun 10, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more | 3 hr |
| Jun 11, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Audubon, Black Hawk, Boone, Bremer, Buchanan and 41 more | 6 hr |
| Jun 12, 11:30 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 22 more | 5 hr |
| Jun 13, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Butler, Calhoun, Carroll, Cerro Gordo and 24 more | 6 hr |
| Jun 14, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 5 hr |
| Jun 14, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Fayette, Winneshiek | 5 hr |
| Jun 17, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Clarke, Dallas, Davis and 23 more | 6 hr |
| Jun 18, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 23 more | 6 hr |
| Jun 18, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Crawford, Harrison, Monona | 6 hr |
| Jun 18, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 11 more | 5 hr |
| Jun 18, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 46 more | 5 hr |
| Jun 18, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Cedar, Clinton, Davis, Delaware and 20 more | 6 hr |
| Jul 2, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 25 more | 5 hr |
| Jul 3, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 12 more | 5 hr |
| Jul 7, 8:30 AM CDT | Severe Thunderstorm Watch | SPC | Black Hawk, Boone, Bremer, Buena Vista, Butler, Calhoun and 37 more | 5 hr |
| Jul 8, 11:15 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Cedar, Des Moines, Henry, Iowa, Jefferson and 9 more | 7 hr |
| Jul 8, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Crawford and 12 more | 6 hr |
| Jul 16, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Harrison, Mills, Monona | 3 hr |
| Jul 17, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Iowa, Jefferson, Johnson, Keokuk and 7 more | 5 hr |
| Jul 17, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Clarke and 12 more | 5 hr |
| Jul 18, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Clarke, Decatur, Mills, Montgomery, Page and 4 more | 4 hr |
| Jul 21, 10:30 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 23 more | 5 hr |
| Jul 21, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 21 more | 5 hr |
| Jul 22, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, Osceola, Sioux | 5 hr |
| Jul 23, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | Dickinson, Lyon, Osceola | 7 hr |
| Jul 24, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 31 more | 6 hr |
| Jul 24, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 19 more | 5 hr |
| Jul 24, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Page | 6 hr |
| Aug 2, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Louisa | 5 hr |
| Aug 17, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 12 more | 5 hr |
| Aug 22, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Jackson, Scott | 6 hr |
| Aug 29, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 5 hr |
| Aug 30, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Lee, Van Buren | 5 hr |
| Sep 7, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Dickinson, Lyon, Monona, O'Brien, Osceola and 3 more | 6 hr |
| Sep 7, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 45 more | 5 hr |
| Sep 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Cass, Fremont, Harrison, Mills, Montgomery and 2 more | 3 hr |
| Sep 7, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Dubuque, Jackson, Johnson, Jones and 1 more | 6 hr |
| Sep 7, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 22 more | 4 hr |
| Sep 7, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 19 more | 4 hr |
| Sep 20, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Bremer, Butler and 41 more | 5 hr |
| Sep 20, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 30 more | 6 hr |
| Sep 22, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cass and 27 more | 6 hr |
| Oct 22, 12:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 23 more | 6 hr |
| Oct 22, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Scott | 5 hr |
| Dec 5, 2:15 PM CST | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 32 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Greene County24
- Guthrie County23
- Audubon County22
- Adair County21
- Boone County21
- Dallas County21
- Mills County21
- Montgomery County21
- Carroll County21
- Adams County20
- Shelby County20
- Cass County19
- Harrison County19
- Taylor County18
- Keokuk County18
- Story County18
- Monona County18
- Madison County17
- Page County17
- Pottawattamie County17
- Union County17
- Clarke County17
- Henry County17
- Washington County17
- Crawford County17
- Fremont County16
- Ringgold County16
- Decatur County16
- Johnson County16
- Louisa County16
- Lucas County16
- Mahaska County16
- Marion County16
- Warren County16
- Wayne County16
- Calhoun County16
- Hamilton County16
- Benton County15
- Iowa County15
- Jefferson County15
59 more counties
- Marshall County15
- Poweshiek County15
- Pocahontas County15
- Webster County15
- Cerro Gordo County15
- Franklin County15
- Grundy County15
- Hardin County15
- Appanoose County14
- Buchanan County14
- Jasper County14
- Linn County14
- Monroe County14
- Tama County14
- Van Buren County14
- Kossuth County14
- Palo Alto County14
- Sac County14
- Des Moines County14
- Hancock County14
- Winnebago County14
- Worth County14
- Wright County14
- Scott County14
- Black Hawk County13
- Clayton County13
- Delaware County13
- Polk County13
- Wapello County13
- Cherokee County13
- Woodbury County13
- Ida County13
- Butler County13
- Floyd County13
- Winneshiek County13
- Lee County12
- Buena Vista County12
- Clay County12
- Humboldt County12
- Allamakee County12
- Bremer County12
- Chickasaw County12
- Fayette County12
- Mitchell County12
- Muscatine County12
- Davis County11
- O'Brien County11
- Osceola County11
- Plymouth County11
- Emmet County11
- Howard County11
- Cedar County11
- Clinton County11
- Dubuque County11
- Sioux County10
- Jackson County10
- Jones County10
- Dickinson County9
- Lyon County8
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20002002
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.