Alert archive / Iowa / Freeze Warnings / 2021
Freeze Warnings in Iowa, April 2021
11 freeze warnings in April 2021. 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in April 2021. Tap one for its archive.
- Freeze Warnings
- 11
- Busiest day
- April 19, 20215 freeze 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 |
|---|---|---|---|---|
| Apr 13, 2:38 PM CDT | Freeze Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 17 hr |
| Apr 14, 2:25 PM CDT | Freeze Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 18 hr |
| Apr 14, 3:14 PM CDT | Freeze Warning | DMX | Adams, Cass, Taylor | 17 hr |
| Apr 19, 2:07 PM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 43 hr |
| Apr 19, 2:29 PM CDT | Freeze Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 19 hr |
| Apr 19, 2:29 PM CDT | Freeze Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 43 hr |
| Apr 19, 2:56 PM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more | 18 hr |
| Apr 19, 2:56 PM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more | 42 hr |
| Apr 21, 3:07 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 30 hr |
| Apr 21, 3:34 AM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more | 29 hr |
| Apr 21, 3:36 AM CDT | Freeze Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 29 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fremont County5
- Mills County5
- Montgomery County5
- Page County5
- Pottawattamie County5
- Adams County4
- Cass County4
- Taylor County4
- Adair County3
- Appanoose County3
- Audubon County3
- Clarke County3
- Dallas County3
- Davis County3
- Decatur County3
- Guthrie County3
- Jasper County3
- Lucas County3
- Madison County3
- Mahaska County3
- Marion County3
- Marshall County3
- Monroe County3
- Polk County3
- Poweshiek County3
- Ringgold County3
- Story County3
- Tama County3
- Union County3
- Wapello County3
- Warren County3
- Wayne County3
- Benton County2
- Buchanan County2
- Cedar County2
- Clinton County2
- Delaware County2
- Des Moines County2
- Dubuque County2
- Henry County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.