Alert archive / Iowa / Special Weather Statements / 2018
Special Weather Statements in Iowa, September 2018
104 special weather statements in September 2018. 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 special weather statements reaches back to 2006.
Special Weather Statements by county
Each county as a circle sized by its count in September 2018. Tap one for its archive.
- Special Weather Statements
- 104
- Busiest day
- September 1, 201820 special weather statements
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 |
|---|---|---|---|---|
| Aug 31, 7:12 PM CDT | Special Weather Statement | DVN | Des Moines, Henry, Iowa, Jefferson, Keokuk, Lee and 3 more | 108 min |
| Aug 31, 9:33 PM CDT | Special Weather Statement | OAX | Pottawattamie | 27 min |
| Aug 31, 10:01 PM CDT | Special Weather Statement | DMX | Cass | 59 min |
| Aug 31, 11:19 PM CDT | Special Weather Statement | OAX | Mills | 26 min |
| Aug 31, 11:32 PM CDT | Special Weather Statement | DVN | Iowa, Keokuk | 58 min |
| Aug 31, 11:53 PM CDT | Special Weather Statement | OAX | Pottawattamie | 37 min |
| Aug 31, 11:54 PM CDT | Special Weather Statement | OAX | Pottawattamie | 36 min |
| Sep 1, 12:22 AM CDT | Special Weather Statement | OAX | Mills | 23 min |
| Sep 1, 12:24 AM CDT | Special Weather Statement | OAX | Pottawattamie | 36 min |
| Sep 1, 12:42 AM CDT | Special Weather Statement | OAX | Montgomery | 33 min |
| Sep 1, 12:43 AM CDT | Special Weather Statement | DVN | Benton, Iowa, Keokuk | 62 min |
| Sep 1, 12:54 AM CDT | Special Weather Statement | OAX | Pottawattamie | 36 min |
| Sep 1, 1:05 AM CDT | Special Weather Statement | DVN | Delaware | 55 min |
| Sep 1, 1:28 AM CDT | Special Weather Statement | DVN | Keokuk | 32 min |
| Sep 1, 1:38 AM CDT | Special Weather Statement | OAX | Cass | 37 min |
| Sep 1, 2:16 AM CDT | Special Weather Statement | OAX | Cass | 29 min |
| Sep 1, 5:20 AM CDT | Special Weather Statement | OAX | Pottawattamie | 40 min |
| Sep 1, 5:23 AM CDT | Special Weather Statement | OAX | Fremont | 37 min |
| Sep 1, 6:09 AM CDT | Special Weather Statement | OAX | Montgomery | 36 min |
| Sep 1, 6:59 PM CDT | Special Weather Statement | DVN | Keokuk | 31 min |
| Sep 1, 7:02 PM CDT | Special Weather Statement | DMX | Boone, Story | 58 min |
| Sep 1, 7:32 PM CDT | Special Weather Statement | DVN | Keokuk | 28 min |
| Sep 1, 8:56 PM CDT | Special Weather Statement | DVN | Washington | 49 min |
| Sep 1, 9:52 PM CDT | Special Weather Statement | DVN | Iowa | 53 min |
| Sep 1, 9:56 PM CDT | Special Weather Statement | DVN | Louisa | 49 min |
| Sep 1, 10:04 PM CDT | Special Weather Statement | DMX | Adair, Adams, Cass | 56 min |
| Sep 1, 10:04 PM CDT | Special Weather Statement | DVN | Washington | 26 min |
| Sep 1, 10:35 PM CDT | Special Weather Statement | OAX | Shelby | 25 min |
| Sep 1, 11:29 PM CDT | Special Weather Statement | DVN | Scott | 46 min |
| Sep 1, 11:50 PM CDT | Special Weather Statement | DVN | Dubuque | 25 min |
| Sep 2, 2:39 PM CDT | Special Weather Statement | DVN | Buchanan | 111 min |
| Sep 2, 3:28 PM CDT | Special Weather Statement | ARX | Clayton | 62 min |
| Sep 2, 4:31 PM CDT | Special Weather Statement | DVN | Dubuque | 74 min |
| Sep 2, 5:32 PM CDT | Special Weather Statement | DVN | Jones | 43 min |
| Sep 2, 6:18 PM CDT | Special Weather Statement | DVN | Jackson | 42 min |
| Sep 2, 6:25 PM CDT | Special Weather Statement | DVN | Cedar, Muscatine, Scott, Washington | 50 min |
| Sep 2, 6:48 PM CDT | Special Weather Statement | DVN | Jefferson, Van Buren | 42 min |
| Sep 2, 7:12 PM CDT | Special Weather Statement | DVN | Clinton | 33 min |
| Sep 2, 7:23 PM CDT | Special Weather Statement | DVN | Muscatine | 37 min |
| Sep 2, 7:34 PM CDT | Special Weather Statement | DVN | Jefferson | 56 min |
| Sep 3, 3:53 PM CDT | Special Weather Statement | DVN | Buchanan | 67 min |
| Sep 3, 4:21 PM CDT | Special Weather Statement | DVN | Scott | 24 min |
| Sep 3, 4:29 PM CDT | Special Weather Statement | DMX | Jasper, Warren | 61 min |
| Sep 3, 6:31 PM CDT | Special Weather Statement | DMX | Poweshiek | 44 min |
| Sep 3, 7:32 PM CDT | Special Weather Statement | DMX | Black Hawk, Bremer, Grundy | 88 min |
| Sep 3, 7:41 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Iowa, Linn | 64 min |
| Sep 3, 8:54 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Linn | 66 min |
| Sep 3, 10:01 PM CDT | Special Weather Statement | DVN | Buchanan, Delaware | 74 min |
| Sep 4, 6:19 PM CDT | Special Weather Statement | ARX | Mitchell | 86 min |
| Sep 4, 7:17 PM CDT | Special Weather Statement | ARX | Floyd, Mitchell | 43 min |
| Sep 4, 7:49 PM CDT | Special Weather Statement | ARX | Howard | 56 min |
| Sep 4, 8:28 PM CDT | Special Weather Statement | ARX | Fayette | 62 min |
| Sep 4, 9:04 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette, Winneshiek | 86 min |
| Sep 5, 12:36 PM CDT | Special Weather Statement | DVN | Johnson | 69 min |
| Sep 6, 7:51 AM CDT | Special Weather Statement | DVN | Scott | 114 min |
| Sep 17, 2:14 PM CDT | Special Weather Statement | DMX | Emmet, Hancock, Kossuth, Palo Alto, Winnebago | 61 min |
| Sep 17, 3:19 PM CDT | Special Weather Statement | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 71 min |
| Sep 17, 3:24 PM CDT | Special Weather Statement | DMX | Cerro Gordo | 36 min |
| Sep 17, 3:43 PM CDT | Special Weather Statement | DMX | Franklin | 47 min |
| Sep 17, 4:16 PM CDT | Special Weather Statement | ARX | Allamakee, Fayette, Winneshiek | 29 min |
| Sep 17, 5:33 PM CDT | Special Weather Statement | DVN | Buchanan | 27 min |
| Sep 18, 7:50 AM CDT | Special Weather Statement | DMX | Cerro Gordo, Hancock | 55 min |
| Sep 18, 8:17 AM CDT | Special Weather Statement | ARX | Chickasaw, Clayton, Fayette, Floyd | 28 min |
| Sep 18, 8:25 AM CDT | Special Weather Statement | DMX | Hancock, Humboldt, Kossuth, Winnebago | 50 min |
| Sep 18, 8:55 AM CDT | Special Weather Statement | DVN | Buchanan | 65 min |
| Sep 18, 9:47 AM CDT | Special Weather Statement | DVN | Benton | 58 min |
| Sep 18, 10:09 AM CDT | Special Weather Statement | DMX | Jasper, Madison, Mahaska, Marion, Marshall, Polk and 4 more | 81 min |
| Sep 18, 10:41 AM CDT | Special Weather Statement | DVN | Iowa, Johnson, Keokuk, Louisa, Washington | 64 min |
| Sep 18, 11:25 AM CDT | Special Weather Statement | DMX | Adair, Adams, Clarke, Dallas, Guthrie, Jasper and 9 more | 65 min |
| Sep 18, 11:28 AM CDT | Special Weather Statement | OAX | Monona | 32 min |
| Sep 18, 1:20 PM CDT | Special Weather Statement | DVN | Des Moines | 55 min |
| Sep 18, 2:46 PM CDT | Special Weather Statement | DMX | Adair | 59 min |
| Sep 18, 3:07 PM CDT | Special Weather Statement | DVN | Lee | 53 min |
| Sep 18, 6:09 PM CDT | Special Weather Statement | DMX | Adams, Ringgold, Taylor | 81 min |
| Sep 19, 12:21 AM CDT | Special Weather Statement | OAX | Harrison | 24 min |
| Sep 19, 12:33 AM CDT | Special Weather Statement | OAX | Shelby | 27 min |
| Sep 19, 1:23 AM CDT | Special Weather Statement | DVN | Jefferson, Lee | 22 min |
| Sep 19, 1:47 AM CDT | Special Weather Statement | DVN | Jefferson, Lee, Van Buren | 58 min |
| Sep 19, 6:45 AM CDT | Special Weather Statement | DMX | Calhoun | 60 min |
| Sep 19, 7:55 AM CDT | Special Weather Statement | DMX | Boone, Greene, Hamilton, Hardin, Story, Webster | 65 min |
| Sep 19, 8:53 AM CDT | Special Weather Statement | ARX | Chickasaw, Fayette, Howard, Winneshiek | 52 min |
| Sep 19, 9:10 AM CDT | Special Weather Statement | DVN | Des Moines, Henry, Washington | 80 min |
| Sep 19, 11:51 AM CDT | Special Weather Statement | DVN | Cedar, Johnson, Louisa, Muscatine, Washington | 54 min |
| Sep 19, 2:21 PM CDT | Special Weather Statement | DVN | Cedar, Iowa, Johnson | 54 min |
| Sep 19, 3:30 PM CDT | Special Weather Statement | DMX | Appanoose | 60 min |
| Sep 20, 5:13 PM CDT | Special Weather Statement | OAX | Monona | 47 min |
| Sep 20, 5:19 PM CDT | Special Weather Statement | DMX | Calhoun, Crawford, Kossuth, Palo Alto, Pocahontas, Sac | 56 min |
| Sep 20, 5:59 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell | 61 min |
| Sep 20, 6:17 PM CDT | Special Weather Statement | DMX | Humboldt, Pocahontas | 58 min |
| Sep 20, 6:19 PM CDT | Special Weather Statement | OAX | Harrison, Shelby | 26 min |
| Sep 20, 6:59 PM CDT | Special Weather Statement | DMX | Boone, Greene | 61 min |
| Sep 20, 7:05 PM CDT | Special Weather Statement | DMX | Cerro Gordo, Franklin, Hancock, Worth, Wright | 55 min |
| Sep 20, 7:18 PM CDT | Special Weather Statement | ARX | Floyd, Mitchell | 72 min |
| Sep 20, 7:50 PM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 85 min |
| Sep 20, 7:54 PM CDT | Special Weather Statement | DMX | Audubon, Boone, Carroll, Greene | 51 min |
| Sep 20, 7:56 PM CDT | Special Weather Statement | OAX | Shelby | 34 min |
| Sep 20, 8:43 PM CDT | Special Weather Statement | DMX | Audubon, Boone, Carroll, Greene, Guthrie, Hamilton and 1 more | 62 min |
| Sep 20, 9:01 PM CDT | Special Weather Statement | DMX | Adair, Adams, Cass, Union | 59 min |
| Sep 20, 9:12 PM CDT | Special Weather Statement | ARX | Allamakee, Clayton, Fayette | 93 min |
| Sep 21, 1:11 AM CDT | Special Weather Statement | DVN | Cedar, Clinton, Des Moines, Henry, Jackson, Lee and 4 more | 79 min |
| Sep 25, 9:29 AM CDT | Special Weather Statement | DMX | Audubon, Guthrie | 46 min |
| Sep 25, 10:28 AM CDT | Special Weather Statement | DMX | Boone, Dallas, Polk | 62 min |
| Sep 25, 11:05 AM CDT | Special Weather Statement | DMX | Polk, Story | 55 min |
| Sep 25, 11:38 AM CDT | Special Weather Statement | DMX | Jasper, Marshall, Poweshiek, Tama | 52 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Iowa County7
- Keokuk County7
- Washington County7
- Buchanan County7
- Pottawattamie County6
- Boone County6
- Mitchell County6
- Floyd County6
- Fayette County6
- Jefferson County5
- Lee County5
- Louisa County5
- Cass County5
- Scott County5
- Howard County5
- Winneshiek County5
- Chickasaw County5
- Des Moines County4
- Van Buren County4
- Benton County4
- Story County4
- Adair County4
- Adams County4
- Shelby County4
- Clayton County4
- Cedar County4
- Muscatine County4
- Jasper County4
- Poweshiek County4
- Allamakee County4
- Johnson County4
- Hancock County4
- Polk County4
- Greene County4
- Henry County3
- Delaware County3
- Warren County3
- Kossuth County3
- Cerro Gordo County3
- Guthrie County3
42 more counties
- Audubon County3
- Mills County2
- Montgomery County2
- Dubuque County2
- Jackson County2
- Clinton County2
- Linn County2
- Palo Alto County2
- Winnebago County2
- Franklin County2
- Humboldt County2
- Madison County2
- Mahaska County2
- Marion County2
- Marshall County2
- Tama County2
- Dallas County2
- Union County2
- Monona County2
- Harrison County2
- Calhoun County2
- Hamilton County2
- Webster County2
- Pocahontas County2
- Carroll County2
- Fremont County1
- Jones County1
- Black Hawk County1
- Bremer County1
- Grundy County1
- Emmet County1
- Clarke County1
- Lucas County1
- Monroe County1
- Ringgold County1
- Taylor County1
- Hardin County1
- Appanoose County1
- Crawford County1
- Sac County1
- Worth County1
- Wright County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.