Alert archive / Iowa / Severe Thunderstorm Warnings / 2020
Severe Thunderstorm Warnings in Iowa, March 2020
21 severe thunderstorm warnings in March 2020. 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 March 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 21
- Busiest day
- March 19, 202013 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 |
|---|---|---|---|---|
| Mar 19, 4:01 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 44 min |
| Mar 19, 4:30 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 45 min |
| Mar 19, 4:38 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 15 min |
| Mar 19, 4:40 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Union | 50 min |
| Mar 19, 4:55 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 24 min |
| Mar 19, 5:04 PM CDT | Severe Thunderstorm Warning | OAX | Page | 13 min |
| Mar 19, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 23 min |
| Mar 19, 5:11 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Pottawattamie | 34 min |
| Mar 19, 5:18 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 12 min |
| Mar 19, 5:26 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Pottawattamie | 34 min |
| Mar 19, 5:47 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 28 min |
| Mar 19, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 39 min |
| Mar 19, 6:47 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 43 min |
| Mar 19, 7:18 PM CDT | Severe Thunderstorm Warning | OAX | Page | 18 min |
| Mar 28, 1:07 AM CDT | Severe Thunderstorm Warning | DMX | Monroe, Wapello | 23 min |
| Mar 28, 1:53 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk, Washington | 26 min |
| Mar 28, 2:55 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 35 min |
| Mar 28, 4:08 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin, Hamilton, Hancock, Wright | 31 min |
| Mar 28, 5:22 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Webster | 38 min |
| Mar 28, 6:03 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan | 42 min |
| Mar 28, 6:18 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fremont County5
- Montgomery County5
- Mills County4
- Page County4
- Adams County3
- Pottawattamie County3
- Adair County2
- Union County1
- Taylor County1
- Cass County1
- Marion County1
- Warren County1
- Monroe County1
- Wapello County1
- Keokuk County1
- Washington County1
- Clinton County1
- Jackson County1
- Cerro Gordo County1
- Franklin County1
- Hamilton County1
- Hancock County1
- Wright County1
- Calhoun County1
- Pocahontas County1
- Webster County1
- Benton County1
- Buchanan County1
- Fayette County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.