Alert archive / Maryland / Frost Advisories
Frost Advisories in Maryland, 2021
12 frost advisories in 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 2021. Tap one for its archive.
- Frost Advisories
- 12
- Busiest month
- November8 frost advisories
- Busiest day
- April 22, 20213 frost advisories
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 12:03 PM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, Calvert, Cecil, Charles, Harford and 3 more | 20 hr |
| Apr 22, 12:04 PM EDT | Frost Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 20 hr |
| Apr 22, 2:31 PM EDT | Frost Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 17 hr |
| May 12, 1:32 PM EDT | Frost Advisory | LWX | Allegany | 19 hr |
| Nov 2, 3:22 AM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, Calvert, Cecil, Charles, Harford and 5 more | 30 hr |
| Nov 2, 3:30 AM EDT | Frost Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 30 hr |
| Nov 3, 1:52 PM EDT | Frost Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 19 hr |
| Nov 3, 3:32 PM EDT | Frost Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 12 hr |
| Nov 3, 3:38 PM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Montgomery, Prince George's and 2 more | 17 hr |
| Nov 4, 3:19 AM EDT | Frost Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 30 hr |
| Nov 4, 4:06 AM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 29 hr |
| Nov 5, 3:36 PM EDT | Frost Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 15 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anne Arundel County4
- Baltimore County4
- Calvert County4
- Charles County4
- Prince George's County4
- Saint Mary's County4
- City of Baltimore4
- Dorchester County4
- Somerset County4
- Wicomico County4
- Worcester County4
- Caroline County3
- Kent County3
- Queen Anne's County3
- Talbot County3
- Cecil County2
- Harford County2
- Montgomery County2
- Allegany County1
- Howard County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.