Alert archive / Iowa / Freeze Watches
Freeze Watches in Iowa, 2020
5 freeze watches in 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 freeze watches reaches back to 2005.
Freeze Watches by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Freeze Watches
- 5
- Busiest month
- May4 freeze watches
- Busiest day
- May 7, 20204 freeze watches
Over time
By month
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 |
|---|---|---|---|---|
| May 7, 3:24 AM CDT | Freeze Watch | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 14 more | 24 hr |
| May 7, 3:49 AM CDT | Freeze Watch | FSD | Clay, Dickinson, O'Brien, Plymouth, Sioux | 12 hr |
| May 7, 4:00 AM CDT | Freeze Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 23 hr |
| May 7, 9:48 AM CDT | Freeze Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 17 hr |
| Oct 22, 3:25 AM CDT | Freeze Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Black Hawk County1
- Bremer County1
- Butler County1
- Cerro Gordo County1
- Emmet County1
- Franklin County1
- Grundy County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Kossuth County1
- Marshall County1
- Palo Alto County1
- Poweshiek County1
- Story County1
- Tama County1
- Winnebago County1
- Worth County1
- Wright County1
- Clay County1
- Dickinson County1
- O'Brien County1
- Plymouth County1
- Sioux County1
- Benton County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Delaware County1
- Des Moines County1
- Dubuque County1
- Henry County1
- Iowa County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Jones County1
- Keokuk County1
- Lee County1
19 more counties
The busiest days
Days with the most alerts issued, by UTC date.
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.