Alert archive / Maryland / Frost Advisories
Frost Advisories in Maryland, 2026
7 frost advisories in 2026. 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 2026. Tap one for its archive.
- Frost Advisories
- 7
- Busiest month
- April3 frost advisories
- Busiest day
- April 8, 20262 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 8, 12:57 PM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 3 more | 20 hr |
| Apr 8, 1:10 PM EDT | Frost Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 20 hr |
| Apr 30, 2:19 AM EDT | Frost Advisory | LWX | Allegany, Garrett | 30 hr |
| May 2, 12:07 PM EDT | Frost Advisory | LWX | Baltimore, Carroll, Frederick, Harford, Washington | 21 hr |
| May 7, 11:52 AM EDT | Frost Advisory | LWX | Garrett | 20 hr |
| May 11, 12:46 PM EDT | Frost Advisory | LWX | Allegany | 19 hr |
| Sep 24, 11:53 AM EDT | Frost Advisory | LWX | Garrett | 21 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Garrett County3
- Baltimore County2
- Allegany County2
- Anne Arundel County1
- Calvert County1
- Charles County1
- Howard County1
- Montgomery County1
- Prince George's County1
- Saint Mary's County1
- City of Baltimore1
- Dorchester County1
- Somerset County1
- Wicomico County1
- Worcester County1
- Carroll County1
- Frederick County1
- Harford County1
- Washington County1
The busiest days
Days with the most alerts issued, by UTC date.
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.