Alert archive / Frost Advisories / 2011
Frost Advisories in the United States, May 2011
105 frost advisories in May 2011. 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
- 105
- Busiest day
- May 4, 201118 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.
- California69
- Oregon50
- North Carolina36
- Wisconsin34
- Georgia34
- New York33
- Illinois32
- Kansas29
- Missouri25
- Michigan25
- Indiana25
- Nebraska24
- Iowa24
- Minnesota23
- Tennessee22
- Kentucky22
- Pennsylvania22
- Ohio20
- South Carolina18
- Colorado17
- Florida16
- Alabama15
- Virginia14
- North Dakota13
- Mississippi12
- Texas12
- Maine12
- Connecticut12
- West Virginia11
- Arkansas10
- Oklahoma9
- New Hampshire9
- Vermont8
- New Jersey7
- Alaska6
- South Dakota6
- Massachusetts5
- Wyoming4
- Washington4
- Idaho4
Nearby
Alerts in force nowThe tornado archiveThe radar archive20102012
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.