Alert archive / Iowa / Frost Advisories / 2021
Frost Advisories in Iowa, April 2021
6 frost advisories 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in April 2021. Tap one for its archive.
- Frost Advisories
- 6
- Busiest day
- April 13, 20212 frost advisories
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, 2:47 PM CDT | Frost Advisory | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 17 hr |
| Apr 13, 2:51 PM CDT | Frost Advisory | DMX | Adair, Adams, Appanoose, Cass, Clarke, Davis and 12 more | 17 hr |
| Apr 14, 2:45 PM CDT | Frost Advisory | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 17 hr |
| Apr 14, 3:14 PM CDT | Frost Advisory | DMX | Adair, Appanoose, Clarke, Davis, Decatur, Lucas and 9 more | 17 hr |
| Apr 19, 11:47 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 8 hr |
| Apr 24, 2:25 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cedar County3
- Iowa County3
- Johnson County3
- Des Moines County2
- Henry County2
- Jefferson County2
- Keokuk County2
- Lee County2
- Louisa County2
- Van Buren County2
- Washington County2
- Adair County2
- Appanoose County2
- Clarke County2
- Davis County2
- Decatur County2
- Lucas County2
- Madison County2
- Mahaska County2
- Marion County2
- Monroe County2
- Ringgold County2
- Union County2
- Wapello County2
- Warren County2
- Wayne County2
- Benton County2
- Buchanan County2
- Clinton County2
- Delaware County2
- Dubuque County2
- Jackson County2
- Jones County2
- Linn County2
- Muscatine County1
- Scott County1
- Adams County1
- Cass County1
- Taylor County1
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.