Alert archive / Frost Advisories / 2021
Frost Advisories in the United States, February 2021
5 frost advisories in February 2021. Each alert counts once, however many counties it covered. The archive of frost advisories reaches back to 2005.
Frost Advisories by state
Each state shaded by its count. Tap a state for its own archive.
- Frost Advisories
- 5
- Busiest day
- February 3, 20213 frost advisories
Over time
By day
Days in UTC, the clock the archive keeps.
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- California89
- Wisconsin45
- Kansas41
- Michigan39
- Georgia38
- Ohio36
- Indiana33
- North Carolina32
- Florida30
- Iowa30
- Kentucky28
- Nebraska27
- New York27
- Minnesota27
- Illinois26
- Virginia25
- Tennessee23
- South Carolina21
- Missouri20
- Pennsylvania20
- Alabama16
- Idaho15
- Oregon14
- West Virginia13
- Maryland12
- Mississippi11
- Arkansas11
- Maine10
- Colorado9
- New Jersey8
- South Dakota8
- Washington7
- Vermont7
- Alaska6
- Oklahoma6
- North Dakota6
- Texas5
- Connecticut4
- District of Columbia4
- Delaware4
Nearby
Alerts in force nowThe tornado archiveThe 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. Rebuilt daily.