Freeze Warnings in Maryland
264 freeze warnings since 1986. 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 warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Freeze Warnings
- 264
- Busiest year
- 201242 freeze warnings
- Average year
- 12over 22 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Frederick County74
- Baltimore County73
- Carroll County73
- Washington County68
- Allegany County56
- Cecil County48
- Harford County47
- Howard County41
- Montgomery County40
- Caroline County38
- Kent County38
- Queen Anne's County38
- Wicomico County38
- City of Baltimore38
- Dorchester County37
- Somerset County36
- Talbot County36
- Worcester County36
- Charles County35
- Anne Arundel County34
- Prince George's County34
- Calvert County31
- Saint Mary's County31
- Garrett County4
The latest freeze warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 12:46 PM EDT | Freeze Warning | LWX | Allegany, Garrett | 19 hr |
| May 2, 12:07 PM EDT | Freeze Warning | LWX | Allegany, Garrett | 21 hr |
| Apr 20, 2:47 AM EDT | Freeze Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 30 hr |
| Apr 20, 2:25 AM EDT | Freeze Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 31 hr |
| Apr 19, 11:35 PM EDT | Freeze Warning | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 8 more | 33 hr |
| Apr 8, 12:57 PM EDT | Freeze Warning | LWX | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 2 more | 20 hr |
| Apr 8, 8:55 AM EDT | Freeze Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 24 hr |
| Apr 7, 2:19 AM EDT | Freeze Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 31 hr |
| Apr 7, 2:13 AM EDT | Freeze Warning | LWX | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 6 more | 31 hr |
| Apr 7, 2:00 AM EDT | Freeze Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 31 hr |
Nearby
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.