Alert archive / Iowa / Severe Thunderstorm Warnings / 2014
Severe Thunderstorm Warnings in Iowa, August 2014
40 severe thunderstorm warnings in August 2014. 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 2014. Tap one for its archive.
- Severe Thunderstorm Warnings
- 40
- Busiest day
- August 25, 20149 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 18, 3:03 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 27 min |
| Aug 18, 3:30 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 30 min |
| Aug 18, 3:58 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 47 min |
| Aug 18, 4:43 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 47 min |
| Aug 18, 5:54 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 23 min |
| Aug 18, 5:56 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 34 min |
| Aug 18, 6:40 PM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien, Osceola | 32 min |
| Aug 18, 6:45 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 30 min |
| Aug 18, 7:43 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago, Worth | 47 min |
| Aug 18, 7:57 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 48 min |
| Aug 18, 9:11 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 31 min |
| Aug 20, 4:34 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 41 min |
| Aug 20, 4:59 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 31 min |
| Aug 20, 5:14 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 46 min |
| Aug 20, 6:10 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 50 min |
| Aug 20, 6:55 AM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine, Washington | 35 min |
| Aug 21, 3:50 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 40 min |
| Aug 21, 4:18 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 42 min |
| Aug 21, 4:52 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 38 min |
| Aug 23, 1:20 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 40 min |
| Aug 23, 3:03 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 42 min |
| Aug 23, 3:39 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie, Madison | 36 min |
| Aug 24, 11:05 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Pocahontas, Webster, Wright | 40 min |
| Aug 24, 11:43 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hancock, Humboldt, Wright | 47 min |
| Aug 24, 11:45 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Humboldt, Webster, Wright | 45 min |
| Aug 25, 12:23 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 52 min |
| Aug 25, 12:31 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 44 min |
| Aug 25, 12:47 AM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 43 min |
| Aug 25, 1:40 AM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 50 min |
| Aug 25, 1:44 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 41 min |
| Aug 25, 1:25 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 50 min |
| Aug 28, 7:21 PM CDT | Severe Thunderstorm Warning | OAX | Page | 16 min |
| Aug 29, 4:42 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 63 min |
| Aug 31, 5:52 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 38 min |
| Aug 31, 6:00 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 45 min |
| Aug 31, 6:02 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 28 min |
| Aug 31, 6:15 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 45 min |
| Aug 31, 6:24 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 51 min |
| Aug 31, 6:27 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 48 min |
| Aug 31, 6:38 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 37 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Winneshiek County6
- Howard County5
- Allamakee County4
- Wright County4
- Adair County3
- Hancock County3
- Humboldt County3
- Lyon County2
- Clay County2
- Palo Alto County2
- Pocahontas County2
- Madison County2
- Emmet County2
- Kossuth County2
- Guthrie County2
- Webster County2
- Cerro Gordo County2
- Franklin County2
- Floyd County2
- Mitchell County2
- Woodbury County2
- Crawford County2
- O'Brien County1
- Osceola County1
- Winnebago County1
- Worth County1
- Jasper County1
- Polk County1
- Sioux County1
- Appanoose County1
- Lucas County1
- Monroe County1
- Wayne County1
- Louisa County1
- Muscatine County1
- Washington County1
- Dickinson County1
- Benton County1
- Iowa County1
- Dallas County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20132015
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.