Red Flag Warnings in Maryland
92 red flag 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Red Flag Warnings
- 92
- Busiest year
- 201020 red flag warnings
- Average year
- 5over 17 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.
- Kent County37
- Cecil County36
- Queen Anne's County35
- Caroline County33
- Talbot County32
- Anne Arundel County30
- Prince George's County30
- Baltimore County27
- Carroll County27
- Frederick County27
- City of Baltimore27
- Charles County26
- Calvert County25
- Washington County25
- Saint Mary's County24
- Allegany County20
- Montgomery County16
- Howard County15
- Dorchester County11
- Somerset County11
- Wicomico County11
- Worcester County11
- Harford County10
The latest red flag warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 16, 12:05 AM EST | Red Flag Warning | LWX | Anne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more | 18 hr |
| Mar 26, 3:07 AM EDT | Red Flag Warning | LWX | Allegany, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 16 hr |
| Mar 1, 3:57 AM EST | Red Flag Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 16 hr |
| Mar 1, 3:13 AM EST | Red Flag Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 17 hr |
| Mar 1, 3:05 AM EST | Red Flag Warning | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 7 more | 16 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. Rebuilt daily.