Alert archive / Iowa / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Iowa, 2003
53 severe thunderstorm watches in 2003. 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 2003. Tap one for its archive.
- Severe Thunderstorm Watches
- 53
- Busiest month
- July20 severe thunderstorm watches
- Busiest day
- May 4, 20034 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 3, 9:20 PM CST | Severe Thunderstorm Watch | SPC | Appanoose, Decatur, Monroe, Ringgold, Wayne | 6 hr |
| Apr 15, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, Osceola, Plymouth, Sioux | 6 hr |
| Apr 18, 6:20 PM CDT | Severe Thunderstorm Watch | SPC | Crawford, Harrison, Ida, Monona, Pottawattamie, Sac and 2 more | 6 hr |
| Apr 29, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 17 more | 7 hr |
| Apr 30, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Louisa, Muscatine, Scott | 5 hr |
| May 4, 12:10 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 18 more | 6 hr |
| May 4, 4:50 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 23 more | 6 hr |
| May 4, 5:25 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Des Moines, Lee, Van Buren | 6 hr |
| May 4, 5:50 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Clarke, Dallas, Decatur and 14 more | 5 hr |
| May 8, 4:15 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 7 more | 7 hr |
| May 8, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 13 more | 6 hr |
| May 8, 7:55 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Clarke and 30 more | 5 hr |
| May 8, 9:10 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones and 2 more | 6 hr |
| May 13, 6:20 PM CDT | Severe Thunderstorm Watch | SPC | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 5 hr |
| May 14, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 34 more | 5 hr |
| Jun 9, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Crawford, Harrison, Ida, Lyon, Monona and 6 more | 7 hr |
| Jun 9, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, O'Brien, Osceola, Sioux | 6 hr |
| Jun 9, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 37 more | 6 hr |
| Jun 9, 10:10 PM CDT | Severe Thunderstorm Watch | SPC | Cass, Fremont, Mills, Montgomery, Pottawattamie | 6 hr |
| Jun 22, 11:20 PM CDT | Severe Thunderstorm Watch | SPC | Cass, Fremont, Mills, Montgomery, Page, Pottawattamie | 6 hr |
| Jun 23, 11:45 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, O'Brien, Osceola, Sioux | 6 hr |
| Jun 24, 12:35 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 24 more | 5 hr |
| Jun 24, 2:05 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Benton, Black Hawk, Boone and 39 more | 5 hr |
| Jun 24, 5:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Buena Vista, Butler, Calhoun and 30 more | 5 hr |
| Jun 25, 12:05 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Buchanan, Cedar, Clayton, Clinton and 26 more | 6 hr |
| Jun 27, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Calhoun and 24 more | 5 hr |
| Jul 3, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 22 more | 6 hr |
| Jul 4, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 34 more | 6 hr |
| Jul 4, 11:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 56 more | 7 hr |
| Jul 5, 3:10 PM CDT | Severe Thunderstorm Watch | SPC | Harrison, Mills, Monona, Plymouth, Pottawattamie, Woodbury | 7 hr |
| Jul 5, 5:55 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 30 more | 6 hr |
| Jul 5, 11:50 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 36 more | 5 hr |
| Jul 7, 2:40 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 12 more | 4 hr |
| Jul 7, 3:35 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Benton, Cass, Cedar and 29 more | 5 hr |
| Jul 7, 10:20 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Crawford, Fremont, Harrison, Ida, Mills and 4 more | 7 hr |
| Jul 7, 11:40 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 5 hr |
| Jul 8, 9:50 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 33 more | 5 hr |
| Jul 8, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 22 more | 5 hr |
| Jul 9, 1:10 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 55 more | 6 hr |
| Jul 9, 8:20 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Iowa, Jefferson, Johnson, Keokuk and 5 more | 6 hr |
| Jul 18, 4:30 AM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 8 more | 6 hr |
| Jul 20, 6:45 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Butler, Calhoun, Cerro Gordo, Cherokee, Clay and 22 more | 5 hr |
| Jul 20, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Lee | 6 hr |
| Jul 29, 5:10 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 4 more | 5 hr |
| Jul 31, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 9 more | 6 hr |
| Jul 31, 5:40 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 18 more | 5 hr |
| Aug 1, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Scott and 1 more | 6 hr |
| Aug 18, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Crawford, Harrison, Ida, Monona and 3 more | 5 hr |
| Aug 19, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 33 more | 6 hr |
| Aug 20, 2:50 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 41 more | 5 hr |
| Aug 25, 5:20 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Buena Vista, Butler and 26 more | 6 hr |
| Aug 25, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 5 hr |
| Sep 26, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Lee | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Appanoose County17
- Monroe County17
- Wayne County17
- Pottawattamie County17
- Taylor County17
- Ringgold County16
- Adair County16
- Adams County16
- Union County16
- Lucas County16
- Mahaska County16
- Poweshiek County16
- Decatur County15
- Cass County15
- Madison County15
- Polk County15
- Des Moines County15
- Clarke County15
- Lee County15
- Marion County15
- Warren County15
- Crawford County14
- Monona County14
- Dallas County14
- Fremont County14
- Guthrie County14
- Montgomery County14
- Muscatine County14
- Davis County14
- Van Buren County14
- Wapello County14
- Boone County13
- Mills County13
- Page County13
- Louisa County13
- Henry County13
- Jefferson County13
- Keokuk County13
- Washington County13
- Jasper County13
59 more counties
- Buchanan County13
- Hamilton County13
- Hardin County13
- Iowa County13
- Jones County13
- Harrison County12
- Shelby County12
- Audubon County12
- Story County12
- Benton County12
- Grundy County12
- Linn County12
- Delaware County12
- Ida County11
- Greene County11
- Black Hawk County11
- Johnson County11
- Marshall County11
- Tama County11
- Jackson County11
- Floyd County11
- Sac County10
- Carroll County10
- Scott County10
- Webster County10
- Cedar County10
- Clinton County10
- Dubuque County10
- Franklin County10
- Butler County10
- Clayton County10
- Sioux County9
- Woodbury County9
- O'Brien County9
- Calhoun County9
- Hancock County9
- Mitchell County9
- Wright County9
- Allamakee County9
- Bremer County9
- Fayette County9
- Lyon County8
- Osceola County8
- Plymouth County8
- Cherokee County8
- Buena Vista County8
- Cerro Gordo County8
- Humboldt County8
- Pocahontas County8
- Howard County8
- Chickasaw County8
- Winneshiek County8
- Clay County7
- Emmet County7
- Kossuth County7
- Palo Alto County7
- Dickinson County6
- Winnebago County6
- Worth County6
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.