Alert archive / Iowa / Severe Thunderstorm Warnings / 2016
Severe Thunderstorm Warnings in Iowa, August 2016
68 severe thunderstorm warnings in August 2016. 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 August 2016. Tap one for its archive.
- Severe Thunderstorm Warnings
- 68
- Busiest day
- August 4, 201611 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 |
|---|---|---|---|---|
| Aug 4, 10:37 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin | 38 min |
| Aug 4, 11:10 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy | 65 min |
| Aug 4, 4:18 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 42 min |
| Aug 4, 4:23 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 37 min |
| Aug 4, 4:50 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 55 min |
| Aug 4, 5:05 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 40 min |
| Aug 4, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer, Butler | 47 min |
| Aug 4, 6:09 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 66 min |
| Aug 4, 6:46 PM CDT | Severe Thunderstorm Warning | ARX | Clayton, Fayette | 44 min |
| Aug 4, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Jasper, Marshall, Poweshiek, Story, Tama | 68 min |
| Aug 4, 6:53 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 52 min |
| Aug 4, 7:15 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Linn | 60 min |
| Aug 4, 7:20 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 25 min |
| Aug 4, 7:25 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 50 min |
| Aug 4, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek, Tama | 64 min |
| Aug 4, 8:01 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 44 min |
| Aug 4, 8:04 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones | 56 min |
| Aug 4, 8:19 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Iowa, Johnson, Muscatine | 56 min |
| Aug 4, 8:43 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Muscatine, Scott | 62 min |
| Aug 4, 9:19 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Marion | 30 min |
| Aug 10, 3:47 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 28 min |
| Aug 10, 3:54 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 36 min |
| Aug 10, 4:55 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 35 min |
| Aug 10, 5:02 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 28 min |
| Aug 11, 3:15 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Osceola, Sioux | 30 min |
| Aug 11, 11:13 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Muscatine, Scott | 62 min |
| Aug 11, 5:56 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 49 min |
| Aug 11, 6:17 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 43 min |
| Aug 11, 6:35 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Shelby | 55 min |
| Aug 11, 6:37 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 53 min |
| Aug 11, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 53 min |
| Aug 11, 7:13 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 62 min |
| Aug 11, 7:33 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford, Guthrie | 42 min |
| Aug 11, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 45 min |
| Aug 11, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Boone, Dallas, Greene, Guthrie | 46 min |
| Aug 11, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Audubon, Cass, Guthrie | 40 min |
| Aug 11, 8:39 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Boone, Dallas, Guthrie, Madison, Polk and 2 more | 66 min |
| Aug 11, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas, Madison, Marion, Union, Warren | 40 min |
| Aug 11, 9:27 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Jasper, Marion, Marshall, Polk, Story and 1 more | 46 min |
| Aug 11, 9:59 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Clarke, Jasper, Lucas, Mahaska, Marion and 3 more | 46 min |
| Aug 11, 10:02 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 58 min |
| Aug 16, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Winnebago | 40 min |
| Aug 16, 8:28 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Sioux | 47 min |
| Aug 16, 8:50 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 40 min |
| Aug 16, 9:10 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 50 min |
| Aug 16, 9:22 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth, Sioux | 38 min |
| Aug 18, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Worth | 11 min |
| Aug 19, 11:41 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 49 min |
| Aug 19, 3:16 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth, Wright | 44 min |
| Aug 19, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Humboldt, Webster | 19 min |
| Aug 19, 6:49 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 41 min |
| Aug 23, 1:43 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 32 min |
| Aug 23, 2:08 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Woodbury | 37 min |
| Aug 23, 3:34 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Palo Alto, Pocahontas | 41 min |
| Aug 23, 7:36 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 39 min |
| Aug 23, 9:01 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 44 min |
| Aug 23, 10:01 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Mills, Pottawattamie, Shelby | 29 min |
| Aug 23, 10:27 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Mills, Pottawattamie, Shelby | 48 min |
| Aug 23, 11:08 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 37 min |
| Aug 24, 12:07 AM CDT | Severe Thunderstorm Warning | OAX | Page | 28 min |
| Aug 24, 12:59 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Ringgold, Union | 46 min |
| Aug 24, 6:51 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 24 min |
| Aug 24, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 18 min |
| Aug 28, 3:44 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 31 min |
| Aug 28, 4:11 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 34 min |
| Aug 28, 4:58 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 31 min |
| Aug 28, 5:43 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 32 min |
| Aug 29, 3:59 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 46 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Harrison County7
- Jasper County6
- Guthrie County6
- Marion County5
- Butler County4
- Franklin County4
- Grundy County4
- Marshall County4
- Tama County4
- Story County4
- Mahaska County4
- O'Brien County4
- Sioux County4
- Monona County4
- Woodbury County4
- Shelby County4
- Audubon County4
- Warren County4
- Pottawattamie County4
- Poweshiek County3
- Clinton County3
- Muscatine County3
- Polk County3
- Dallas County3
- Adair County3
- Boone County3
- Clarke County3
- Mills County3
- Hancock County3
- Kossuth County3
- Cherokee County3
- Allamakee County2
- Hardin County2
- Wright County2
- Jackson County2
- Cedar County2
- Scott County2
- Calhoun County2
- Palo Alto County2
- Pocahontas County2
40 more counties
- Ida County2
- Carroll County2
- Crawford County2
- Greene County2
- Adams County2
- Cass County2
- Madison County2
- Lucas County2
- Union County2
- Cerro Gordo County2
- Plymouth County2
- Humboldt County2
- Page County2
- Fremont County2
- Hamilton County1
- Black Hawk County1
- Bremer County1
- Winneshiek County1
- Clayton County1
- Fayette County1
- Buchanan County1
- Delaware County1
- Benton County1
- Linn County1
- Dubuque County1
- Jones County1
- Iowa County1
- Johnson County1
- Lyon County1
- Osceola County1
- Sac County1
- Appanoose County1
- Monroe County1
- Wayne County1
- Montgomery County1
- Winnebago County1
- Worth County1
- Webster County1
- Decatur County1
- Ringgold County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.