Alert archive / Iowa / 2001
Weather alerts in Iowa, September 2001
106 weather alerts in September 2001, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2001. Tap one for its archive.
- Alerts
- 106
- Warnings
- 97
- Watches
- 9
- Advisories
- 0
- Busiest day
- September 20, 200143 alerts
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 |
|---|---|---|---|---|
| Sep 6, 2:43 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 47 min |
| Sep 6, 3:40 PM CDT | Tornado Warning | DMX | Polk | 30 min |
| Sep 6, 3:50 PM CDT | Tornado Warning | DMX | Polk | 30 min |
| Sep 6, 4:18 PM CDT | Severe Thunderstorm Warning | DMX | Story | 42 min |
| Sep 6, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 38 min |
| Sep 6, 5:14 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 26 min |
| Sep 6, 6:10 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 25 min |
| Sep 6, 6:11 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 34 min |
| Sep 6, 6:21 PM CDT | Tornado Warning | ARX | Clayton, Fayette | 24 min |
| Sep 6, 7:23 PM CDT | Tornado Warning | ARX | Allamakee | 37 min |
| Sep 7, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Dickinson, Lyon, Monona, O'Brien, Osceola and 3 more | 6 hr |
| Sep 7, 7:47 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 28 min |
| Sep 7, 8:23 AM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 42 min |
| Sep 7, 2:28 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 42 min |
| Sep 7, 3:04 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 41 min |
| Sep 7, 3:12 PM CDT | Severe Thunderstorm Warning | DMX | Story | 38 min |
| Sep 7, 3:21 PM CDT | Severe Thunderstorm Warning | DMX | Hardin, Marshall | 44 min |
| Sep 7, 3:41 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 39 min |
| Sep 7, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 45 more | 5 hr |
| Sep 7, 4:01 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 39 min |
| Sep 7, 4:07 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Fayette | 83 min |
| Sep 7, 4:19 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 56 min |
| Sep 7, 4:20 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 25 min |
| Sep 7, 4:40 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 20 min |
| Sep 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Cass, Fremont, Harrison, Mills, Montgomery and 2 more | 3 hr |
| Sep 7, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 53 min |
| Sep 7, 5:14 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 31 min |
| Sep 7, 5:31 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 59 min |
| Sep 7, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Dubuque, Jackson, Johnson, Jones and 1 more | 6 hr |
| Sep 7, 6:18 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 57 min |
| Sep 7, 6:53 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 52 min |
| Sep 7, 7:00 PM CDT | Tornado Warning | OAX | Page | 45 min |
| Sep 7, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 43 min |
| Sep 7, 8:13 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 42 min |
| Sep 7, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 44 min |
| Sep 7, 8:28 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 47 min |
| Sep 7, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | Story | 52 min |
| Sep 7, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 22 more | 4 hr |
| Sep 7, 8:51 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk, Warren | 44 min |
| Sep 7, 9:02 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 38 min |
| Sep 7, 9:12 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 58 min |
| Sep 7, 9:43 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 32 min |
| Sep 7, 9:46 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 59 min |
| Sep 7, 9:54 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 36 min |
| Sep 7, 10:11 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 34 min |
| Sep 7, 10:11 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 64 min |
| Sep 7, 10:35 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 30 min |
| Sep 7, 10:44 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 31 min |
| Sep 7, 10:58 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Linn | 62 min |
| Sep 7, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 19 more | 4 hr |
| Sep 7, 11:03 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 57 min |
| Sep 7, 11:19 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 26 min |
| Sep 7, 11:20 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 40 min |
| Sep 7, 11:27 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 63 min |
| Sep 20, 10:05 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 40 min |
| Sep 20, 10:07 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 38 min |
| Sep 20, 10:42 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 18 min |
| Sep 20, 10:48 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 42 min |
| Sep 20, 10:51 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 54 min |
| Sep 20, 11:14 AM CDT | Severe Thunderstorm Warning | DMX | Union | 26 min |
| Sep 20, 11:14 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 31 min |
| Sep 20, 11:29 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 31 min |
| Sep 20, 11:45 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 30 min |
| Sep 20, 11:57 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 38 min |
| Sep 20, 12:11 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 29 min |
| Sep 20, 2:11 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 39 min |
| Sep 20, 2:42 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 38 min |
| Sep 20, 2:47 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Winnebago | 43 min |
| Sep 20, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Bremer, Butler and 41 more | 5 hr |
| Sep 20, 3:18 PM CDT | Tornado Warning | DMX | Hancock | 42 min |
| Sep 20, 3:19 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 31 min |
| Sep 20, 3:22 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 28 min |
| Sep 20, 3:25 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 65 min |
| Sep 20, 3:40 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 65 min |
| Sep 20, 3:43 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Wright | 47 min |
| Sep 20, 3:46 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 44 min |
| Sep 20, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 29 min |
| Sep 20, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 44 min |
| Sep 20, 4:27 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 28 min |
| Sep 20, 4:36 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 44 min |
| Sep 20, 4:41 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 49 min |
| Sep 20, 4:52 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 38 min |
| Sep 20, 4:55 PM CDT | Tornado Warning | DMX | Warren | 35 min |
| Sep 20, 4:56 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 44 min |
| Sep 20, 5:07 PM CDT | Tornado Warning | DMX | Lucas | 28 min |
| Sep 20, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 30 more | 6 hr |
| Sep 20, 5:16 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 39 min |
| Sep 20, 5:29 PM CDT | Tornado Warning | DMX | Lucas | 31 min |
| Sep 20, 5:36 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 24 min |
| Sep 20, 5:44 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 31 min |
| Sep 20, 6:05 PM CDT | Tornado Warning | DMX | Appanoose | 30 min |
| Sep 20, 6:12 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 43 min |
| Sep 20, 6:29 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 46 min |
| Sep 20, 6:31 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 29 min |
| Sep 20, 6:33 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Washington | 42 min |
| Sep 20, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 40 min |
| Sep 20, 6:57 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 18 min |
| Sep 20, 7:36 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 24 min |
| Sep 22, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cass and 27 more | 6 hr |
| Sep 22, 7:11 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 49 min |
| Sep 22, 7:19 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 26 min |
| Sep 22, 7:42 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 48 min |
| Sep 22, 8:25 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 50 min |
| Sep 22, 9:26 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 34 min |
| Sep 22, 9:45 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 45 min |
| Sep 22, 9:57 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 48 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 87 |
| Tornado Warning | 10 |
| Severe Thunderstorm Watch | 9 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Warren County10
- Polk County8
- Lucas County7
- Mills County7
- Story County6
- Scott County6
- Buchanan County6
- Keokuk County6
- Pottawattamie County6
- Black Hawk County5
- Bremer County5
- Butler County5
- Adams County5
- Appanoose County5
- Benton County5
- Delaware County5
- Iowa County5
- Mahaska County5
- Marion County5
- Page County5
- Union County5
- Wright County5
- Montgomery County5
- Louisa County5
- Davis County5
- Kossuth County5
- Boone County4
- Grundy County4
- Clayton County4
- Dallas County4
- Hardin County4
- Marshall County4
- Adair County4
- Cerro Gordo County4
- Clarke County4
- Decatur County4
- Franklin County4
- Hamilton County4
- Linn County4
- Madison County4
58 more counties
- Mitchell County4
- Monroe County4
- Poweshiek County4
- Taylor County4
- Wapello County4
- Winneshiek County4
- Worth County4
- Cass County4
- Fremont County4
- Harrison County4
- Dubuque County4
- Clinton County4
- Johnson County4
- Jones County4
- Des Moines County4
- Jefferson County4
- Van Buren County4
- Washington County4
- Hancock County4
- Fayette County3
- Allamakee County3
- Chickasaw County3
- Floyd County3
- Greene County3
- Guthrie County3
- Howard County3
- Jasper County3
- Ringgold County3
- Tama County3
- Wayne County3
- Audubon County3
- Shelby County3
- Cedar County3
- Jackson County3
- Henry County3
- Lee County3
- Muscatine County3
- Humboldt County3
- Cherokee County2
- Monona County2
- O'Brien County2
- Plymouth County2
- Woodbury County2
- Winnebago County2
- Calhoun County2
- Carroll County2
- Crawford County2
- Pocahontas County2
- Sac County2
- Webster County2
- Clay County2
- Dickinson County1
- Lyon County1
- Osceola County1
- Sioux County1
- Buena Vista County1
- Ida County1
- Palo Alto County1
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. Rebuilt daily.