Alert archive / Iowa / Severe Thunderstorm Warnings / 1998
Severe Thunderstorm Warnings in Iowa, June 1998
187 severe thunderstorm warnings in June 1998. 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 June 1998. Tap one for its archive.
- Severe Thunderstorm Warnings
- 187
- Busiest day
- June 28, 199844 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 |
|---|---|---|---|---|
| Jun 11, 1:43 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 17 min |
| Jun 11, 8:39 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 31 min |
| Jun 11, 11:56 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 19 min |
| Jun 12, 1:22 AM CDT | Severe Thunderstorm Warning | DMX | Adams | 33 min |
| Jun 13, 11:10 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 50 min |
| Jun 14, 1:10 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 35 min |
| Jun 14, 1:10 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 45 min |
| Jun 14, 1:42 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 33 min |
| Jun 14, 2:06 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 49 min |
| Jun 14, 3:24 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 66 min |
| Jun 17, 7:40 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 35 min |
| Jun 17, 8:55 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 30 min |
| Jun 17, 9:16 AM CDT | Severe Thunderstorm Warning | DMX | Madison | 34 min |
| Jun 17, 9:31 AM CDT | Severe Thunderstorm Warning | DMX | Warren | 34 min |
| Jun 17, 10:32 AM CDT | Severe Thunderstorm Warning | DMX | Lucas | 33 min |
| Jun 18, 2:19 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 46 min |
| Jun 18, 2:35 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 45 min |
| Jun 18, 3:35 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 30 min |
| Jun 18, 9:12 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass, Guthrie | 33 min |
| Jun 18, 10:05 AM CDT | Severe Thunderstorm Warning | DMX | Webster | 35 min |
| Jun 18, 10:41 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 34 min |
| Jun 18, 10:45 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Webster | 35 min |
| Jun 18, 10:48 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 42 min |
| Jun 18, 10:54 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 31 min |
| Jun 18, 11:06 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 34 min |
| Jun 18, 11:12 AM CDT | Severe Thunderstorm Warning | DMX | Warren | 33 min |
| Jun 18, 11:15 AM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 35 min |
| Jun 18, 11:21 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 34 min |
| Jun 18, 11:22 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 33 min |
| Jun 18, 11:36 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 34 min |
| Jun 18, 11:40 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 35 min |
| Jun 18, 11:43 AM CDT | Severe Thunderstorm Warning | DMX | Hardin | 32 min |
| Jun 18, 11:50 AM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 30 min |
| Jun 18, 12:01 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 34 min |
| Jun 18, 12:55 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago, Worth | 30 min |
| Jun 18, 1:15 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 50 min |
| Jun 18, 1:30 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 35 min |
| Jun 18, 1:33 PM CDT | Severe Thunderstorm Warning | DMX | Union | 32 min |
| Jun 18, 2:09 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 31 min |
| Jun 18, 3:03 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 32 min |
| Jun 18, 3:12 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 28 min |
| Jun 18, 3:16 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Tama | 34 min |
| Jun 18, 3:34 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 31 min |
| Jun 18, 3:34 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 61 min |
| Jun 18, 3:34 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 61 min |
| Jun 18, 3:41 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 64 min |
| Jun 18, 3:57 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren, Washington | 63 min |
| Jun 18, 3:57 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Linn | 63 min |
| Jun 18, 3:57 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 63 min |
| Jun 18, 4:02 PM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 58 min |
| Jun 18, 4:20 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 65 min |
| Jun 18, 4:20 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 65 min |
| Jun 18, 4:33 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 62 min |
| Jun 18, 4:37 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 63 min |
| Jun 18, 4:37 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee, Louisa | 63 min |
| Jun 18, 4:45 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 75 min |
| Jun 18, 4:45 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 75 min |
| Jun 20, 2:13 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 32 min |
| Jun 20, 2:48 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 32 min |
| Jun 20, 3:18 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 62 min |
| Jun 20, 3:42 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 58 min |
| Jun 20, 4:08 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 82 min |
| Jun 20, 4:12 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette | 78 min |
| Jun 20, 4:42 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 63 min |
| Jun 20, 4:58 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 62 min |
| Jun 20, 5:25 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 45 min |
| Jun 20, 5:59 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 61 min |
| Jun 23, 6:55 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 50 min |
| Jun 23, 8:18 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 32 min |
| Jun 23, 8:51 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 34 min |
| Jun 23, 8:57 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 48 min |
| Jun 23, 8:59 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 46 min |
| Jun 23, 9:20 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 50 min |
| Jun 23, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 30 min |
| Jun 23, 9:41 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 64 min |
| Jun 23, 10:08 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll | 47 min |
| Jun 23, 10:17 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 33 min |
| Jun 23, 10:38 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 32 min |
| Jun 23, 11:34 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Worth | 31 min |
| Jun 23, 11:55 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 60 min |
| Jun 23, 11:56 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 34 min |
| Jun 24, 12:05 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 50 min |
| Jun 24, 12:15 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 50 min |
| Jun 24, 12:55 AM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 45 min |
| Jun 24, 2:18 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Linn | 62 min |
| Jun 24, 7:46 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 64 min |
| Jun 24, 10:06 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 64 min |
| Jun 24, 10:48 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 32 min |
| Jun 24, 10:56 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 34 min |
| Jun 24, 11:05 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 35 min |
| Jun 24, 11:24 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 31 min |
| Jun 24, 11:33 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 32 min |
| Jun 25, 7:52 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 33 min |
| Jun 26, 7:01 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 49 min |
| Jun 26, 7:22 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 63 min |
| Jun 26, 8:25 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 45 min |
| Jun 26, 9:55 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 35 min |
| Jun 26, 10:29 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 61 min |
| Jun 26, 10:30 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 30 min |
| Jun 26, 10:46 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 34 min |
| Jun 26, 11:25 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 30 min |
| Jun 27, 1:36 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 84 min |
| Jun 27, 3:19 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 71 min |
| Jun 27, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 35 min |
| Jun 27, 6:45 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 50 min |
| Jun 27, 6:59 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 46 min |
| Jun 27, 7:17 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 73 min |
| Jun 27, 7:26 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay | 29 min |
| Jun 27, 7:32 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 58 min |
| Jun 27, 7:38 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 47 min |
| Jun 27, 7:53 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Winneshiek | 82 min |
| Jun 27, 7:54 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 31 min |
| Jun 27, 7:58 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 32 min |
| Jun 27, 8:18 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 32 min |
| Jun 27, 8:21 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 69 min |
| Jun 27, 8:25 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 65 min |
| Jun 27, 8:50 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 50 min |
| Jun 27, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 36 min |
| Jun 27, 8:55 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 35 min |
| Jun 27, 9:28 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 62 min |
| Jun 27, 9:31 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd | 74 min |
| Jun 27, 10:11 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery | 49 min |
| Jun 27, 10:23 PM CDT | Severe Thunderstorm Warning | OAX | Page | 47 min |
| Jun 27, 10:33 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 62 min |
| Jun 27, 10:33 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 62 min |
| Jun 27, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 50 min |
| Jun 27, 10:51 PM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 54 min |
| Jun 27, 10:57 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 48 min |
| Jun 27, 11:01 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk, Story | 64 min |
| Jun 27, 11:10 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 50 min |
| Jun 27, 11:18 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 62 min |
| Jun 27, 11:18 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 62 min |
| Jun 27, 11:21 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 64 min |
| Jun 27, 11:24 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 61 min |
| Jun 27, 11:44 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 46 min |
| Jun 27, 11:55 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 50 min |
| Jun 28, 12:01 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 64 min |
| Jun 28, 12:05 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 65 min |
| Jun 28, 12:11 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 64 min |
| Jun 28, 12:20 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 65 min |
| Jun 28, 12:26 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 19 min |
| Jun 28, 12:40 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 65 min |
| Jun 28, 12:43 AM CDT | Severe Thunderstorm Warning | DVN | Iowa, Linn | 62 min |
| Jun 28, 12:59 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 66 min |
| Jun 28, 1:06 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson | 64 min |
| Jun 28, 1:11 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 64 min |
| Jun 28, 1:14 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 51 min |
| Jun 28, 1:26 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 49 min |
| Jun 28, 1:35 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Muscatine, Scott | 65 min |
| Jun 28, 1:38 AM CDT | Severe Thunderstorm Warning | DVN | Washington | 52 min |
| Jun 29, 11:37 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 48 min |
| Jun 29, 12:03 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 37 min |
| Jun 29, 12:03 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 32 min |
| Jun 29, 12:03 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 47 min |
| Jun 29, 12:18 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 47 min |
| Jun 29, 12:24 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 36 min |
| Jun 29, 12:30 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 60 min |
| Jun 29, 12:37 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 48 min |
| Jun 29, 12:59 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 51 min |
| Jun 29, 1:09 PM CDT | Severe Thunderstorm Warning | DMX | Story | 36 min |
| Jun 29, 1:17 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 33 min |
| Jun 29, 1:20 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 50 min |
| Jun 29, 1:39 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 31 min |
| Jun 29, 1:44 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Tama | 46 min |
| Jun 29, 1:53 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 32 min |
| Jun 29, 1:53 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 62 min |
| Jun 29, 2:04 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 21 min |
| Jun 29, 2:08 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 47 min |
| Jun 29, 2:08 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 47 min |
| Jun 29, 2:11 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 34 min |
| Jun 29, 2:11 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 64 min |
| Jun 29, 2:28 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Mahaska, Monroe | 62 min |
| Jun 29, 2:28 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Warren | 62 min |
| Jun 29, 2:30 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Linn | 65 min |
| Jun 29, 2:44 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 66 min |
| Jun 29, 2:46 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Washington | 64 min |
| Jun 29, 2:55 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 65 min |
| Jun 29, 3:26 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 64 min |
| Jun 29, 3:27 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 48 min |
| Jun 29, 4:05 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 50 min |
| Jun 29, 4:46 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 34 min |
| Jun 29, 5:36 PM CDT | Severe Thunderstorm Warning | OAX | Page | 49 min |
| Jun 29, 5:41 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 49 min |
| Jun 29, 5:44 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 51 min |
| Jun 29, 6:00 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 35 min |
| Jun 29, 6:19 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 66 min |
| Jun 29, 6:25 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 65 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Polk County7
- Winneshiek County7
- Allamakee County7
- Jasper County6
- Fayette County6
- Monona County5
- Taylor County5
- Harrison County5
- Webster County5
- Marion County5
- Buena Vista County5
- Adams County4
- Shelby County4
- Guthrie County4
- Warren County4
- Boone County4
- Clayton County4
- Marshall County4
- Story County4
- Dallas County4
- Buchanan County4
- Linn County4
- Chickasaw County4
- Floyd County4
- Clay County4
- Fremont County3
- Page County3
- Ringgold County3
- Union County3
- Pottawattamie County3
- Emmet County3
- Worth County3
- Poweshiek County3
- Tama County3
- Benton County3
- Iowa County3
- Keokuk County3
- Washington County3
- Johnson County3
- Jackson County3
49 more counties
- Clinton County3
- Scott County3
- Ida County3
- Howard County3
- Woodbury County3
- Cerro Gordo County3
- Cherokee County3
- Montgomery County2
- Van Buren County2
- Madison County2
- Lucas County2
- Hardin County2
- Winnebago County2
- Des Moines County2
- Mahaska County2
- Black Hawk County2
- Davis County2
- Wapello County2
- Jefferson County2
- Delaware County2
- Cedar County2
- Muscatine County2
- Jones County2
- Dubuque County2
- Hancock County2
- Sac County2
- Crawford County2
- Calhoun County2
- Carroll County2
- Butler County2
- Mitchell County2
- Pocahontas County2
- Dickinson County2
- Clarke County2
- Appanoose County2
- Adair County1
- Cass County1
- Hamilton County1
- Henry County1
- Lee County1
- Louisa County1
- Humboldt County1
- Franklin County1
- Mills County1
- Grundy County1
- Bremer County1
- Monroe County1
- Decatur County1
- Wayne County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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.