Alert archive / Iowa / Severe Thunderstorm Warnings / 2008
Severe Thunderstorm Warnings in Iowa, May 2008
155 severe thunderstorm warnings in May 2008. 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 warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in May 2008. Tap one for its archive.
- Severe Thunderstorm Warnings
- 155
- Busiest day
- May 26, 200854 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| May 1, 9:16 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 44 min |
| May 1, 9:58 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 16 min |
| May 2, 12:42 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Scott | 50 min |
| May 2, 1:01 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 14 min |
| May 2, 1:42 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 63 min |
| May 2, 6:15 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 21 min |
| May 2, 3:13 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 47 min |
| May 6, 3:28 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 47 min |
| May 6, 4:12 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 48 min |
| May 6, 4:21 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 39 min |
| May 6, 4:37 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 53 min |
| May 6, 4:46 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Woodbury | 44 min |
| May 6, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth | 26 min |
| May 6, 4:54 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 36 min |
| May 6, 4:56 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 34 min |
| May 6, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 29 min |
| May 6, 5:17 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 28 min |
| May 6, 5:28 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 47 min |
| May 6, 5:29 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 13 min |
| May 6, 5:59 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 46 min |
| May 6, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 33 min |
| May 6, 6:31 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 44 min |
| May 6, 6:39 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 51 min |
| May 6, 6:54 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 51 min |
| May 6, 6:57 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 48 min |
| May 6, 6:58 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 10 min |
| May 6, 7:10 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 50 min |
| May 6, 7:17 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 43 min |
| May 6, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin | 45 min |
| May 6, 7:48 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 42 min |
| May 6, 8:13 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 21 min |
| May 6, 8:15 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Tama | 45 min |
| May 6, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Grundy | 48 min |
| May 6, 8:27 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 19 min |
| May 6, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 43 min |
| May 6, 8:45 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 45 min |
| May 6, 8:48 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 42 min |
| May 6, 8:49 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 56 min |
| May 6, 8:52 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 23 min |
| May 6, 8:53 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 37 min |
| May 6, 9:01 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 59 min |
| May 6, 9:21 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Jones, Linn | 54 min |
| May 6, 10:05 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jones, Linn | 40 min |
| May 6, 10:50 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 40 min |
| May 6, 11:12 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 48 min |
| May 6, 11:51 PM CDT | Severe Thunderstorm Warning | OAX | Page | 24 min |
| May 13, 2:29 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 39 min |
| May 13, 2:47 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 43 min |
| May 13, 2:56 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 34 min |
| May 19, 5:11 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 49 min |
| May 19, 5:34 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 41 min |
| May 19, 5:44 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 14 min |
| May 24, 12:39 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 36 min |
| May 24, 3:52 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 23 min |
| May 25, 9:13 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 47 min |
| May 25, 3:38 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 52 min |
| May 25, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 28 min |
| May 25, 4:17 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 43 min |
| May 25, 5:16 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd | 29 min |
| May 25, 5:31 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 29 min |
| May 25, 5:33 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 42 min |
| May 25, 5:47 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas | 43 min |
| May 25, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 26 min |
| May 25, 6:29 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 76 min |
| May 25, 7:14 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 46 min |
| May 25, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Greene, Guthrie | 45 min |
| May 25, 7:19 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 26 min |
| May 25, 7:32 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 43 min |
| May 25, 7:36 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 24 min |
| May 25, 7:38 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Story | 52 min |
| May 25, 7:41 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Pottawattamie | 34 min |
| May 25, 7:50 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 40 min |
| May 25, 7:54 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 51 min |
| May 25, 7:56 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 34 min |
| May 25, 7:57 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 63 min |
| May 25, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 43 min |
| May 25, 8:05 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 40 min |
| May 25, 8:05 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 55 min |
| May 25, 8:06 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 39 min |
| May 25, 8:11 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 19 min |
| May 25, 8:11 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 34 min |
| May 25, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Butler, Grundy | 33 min |
| May 25, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Taylor, Union | 46 min |
| May 25, 8:39 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 37 min |
| May 25, 8:44 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor | 46 min |
| May 25, 8:44 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 31 min |
| May 25, 8:46 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Polk, Story | 44 min |
| May 25, 8:46 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 29 min |
| May 25, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Jasper, Madison, Polk, Warren | 51 min |
| May 25, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Tama | 47 min |
| May 25, 9:01 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 44 min |
| May 25, 9:02 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 43 min |
| May 25, 9:07 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 53 min |
| May 25, 9:09 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Clarke, Madison, Union, Warren | 51 min |
| May 25, 9:21 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Madison, Polk | 39 min |
| May 25, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene, Guthrie, Polk | 50 min |
| May 25, 9:29 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 46 min |
| May 25, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 44 min |
| May 25, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 44 min |
| May 25, 9:32 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 58 min |
| May 25, 9:42 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 48 min |
| May 25, 9:59 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Jasper, Polk, Story | 46 min |
| May 25, 10:03 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion | 42 min |
| May 25, 10:03 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 57 min |
| May 25, 10:12 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 48 min |
| May 25, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 45 min |
| May 25, 10:20 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Greene, Hamilton, Hardin, Story, Webster | 40 min |
| May 25, 10:35 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 40 min |
| May 25, 10:43 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 36 min |
| May 25, 10:48 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 42 min |
| May 25, 10:51 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 54 min |
| May 25, 10:53 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Henry, Iowa, Jefferson, Johnson, Keokuk and 3 more | 67 min |
| May 25, 11:00 PM CDT | Severe Thunderstorm Warning | DMX | Monroe, Wapello | 45 min |
| May 25, 11:15 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 45 min |
| May 25, 11:42 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn | 63 min |
| May 25, 11:45 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Jefferson, Johnson, Lee, Louisa and 4 more | 60 min |
| May 26, 12:17 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 42 min |
| May 26, 12:28 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 32 min |
| May 29, 9:03 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Hamilton, Humboldt, Pocahontas, Webster, Wright | 42 min |
| May 29, 9:44 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Humboldt, Webster, Wright | 27 min |
| May 29, 6:42 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 33 min |
| May 29, 7:33 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 42 min |
| May 29, 7:57 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 33 min |
| May 29, 8:02 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 19 min |
| May 29, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 44 min |
| May 29, 8:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Pottawattamie, Shelby | 23 min |
| May 29, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 32 min |
| May 29, 8:44 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 31 min |
| May 29, 9:14 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 31 min |
| May 29, 9:24 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 51 min |
| May 29, 10:02 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 43 min |
| May 29, 10:11 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 49 min |
| May 29, 10:24 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 39 min |
| May 29, 10:51 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Shelby | 39 min |
| May 29, 11:07 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 53 min |
| May 29, 11:30 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 45 min |
| May 29, 11:36 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 23 min |
| May 29, 11:50 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 40 min |
| May 30, 12:19 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 29 min |
| May 30, 12:23 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall, Story | 37 min |
| May 30, 12:51 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 39 min |
| May 30, 1:04 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 41 min |
| May 30, 1:14 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 46 min |
| May 30, 1:41 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Clarke, Dallas, Guthrie, Madison and 2 more | 49 min |
| May 30, 1:50 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union, Warren | 40 min |
| May 30, 2:41 AM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque, Jackson, Jones | 34 min |
| May 30, 4:25 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Marion, Warren | 50 min |
| May 30, 5:01 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 44 min |
| May 30, 5:37 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 23 min |
| May 30, 6:32 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 43 min |
| May 30, 7:54 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Louisa | 36 min |
| May 31, 5:18 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 42 min |
| May 31, 5:55 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 26 min |
| May 31, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 32 min |
| May 31, 6:30 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 45 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hardin County9
- Jackson County8
- Hamilton County8
- Delaware County8
- Dallas County8
- Polk County8
- Dubuque County7
- Calhoun County7
- Grundy County7
- Story County7
- Harrison County7
- Pottawattamie County7
- Guthrie County7
- Adair County7
- Jasper County7
- Clinton County6
- Scott County6
- Webster County6
- Franklin County6
- Wright County6
- Boone County6
- Greene County6
- Warren County6
- Bremer County5
- Plymouth County5
- Woodbury County5
- Buena Vista County5
- Monona County5
- Tama County5
- Fremont County5
- Clarke County5
- Shelby County5
- Black Hawk County4
- Henry County4
- Sioux County4
- Floyd County4
- Marshall County4
- Buchanan County4
- Jones County4
- Linn County4
54 more counties
- Page County4
- Muscatine County4
- Montgomery County4
- Adams County4
- Union County4
- Madison County4
- Mahaska County4
- Marion County4
- Cedar County3
- Des Moines County3
- Cherokee County3
- Ida County3
- Sac County3
- Butler County3
- Fayette County3
- Benton County3
- Pocahontas County3
- Mills County3
- Winneshiek County3
- Decatur County3
- Audubon County3
- Taylor County3
- Ringgold County3
- Appanoose County3
- Johnson County3
- Poweshiek County2
- Lee County2
- Cerro Gordo County2
- Worth County2
- O'Brien County2
- Clay County2
- Emmet County2
- Kossuth County2
- Palo Alto County2
- Mitchell County2
- Howard County2
- Lucas County2
- Clayton County2
- Cass County2
- Wayne County2
- Jefferson County2
- Van Buren County2
- Washington County2
- Louisa County2
- Humboldt County2
- Carroll County2
- Chickasaw County1
- Davis County1
- Iowa County1
- Keokuk County1
- Monroe County1
- Wapello County1
- Crawford County1
- Allamakee County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20072009
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.