Alert archive / Maryland / Winter Storm Warnings
Winter Storm Warnings in Maryland, 2021
9 winter storm warnings 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Winter Storm Warnings
- 9
- Busiest month
- February5 winter storm warnings
- Busiest day
- January 30, 20213 winter storm warnings
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 |
|---|---|---|---|---|
| Jan 25, 1:05 AM EST | Winter Storm Warning | LWX | Allegany | 36 hr |
| Jan 30, 4:34 AM EST | Winter Storm Warning | AKQ | Dorchester | 39 hr |
| Jan 30, 9:02 AM EST | Winter Storm Warning | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more | 69 hr |
| Jan 30, 3:44 PM EST | Winter Storm Warning | PHI | Kent, Queen Anne's, Talbot | 72 hr |
| Feb 3, 3:01 AM EST | Winter Storm Warning | LWX | 4 hr | |
| Feb 6, 3:22 AM EST | Winter Storm Warning | LWX | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 5 more | 33 hr |
| Feb 6, 3:23 AM EST | Winter Storm Warning | PHI | Kent | 36 hr |
| Feb 10, 12:40 PM EST | Winter Storm Warning | LWX | Allegany, Baltimore, Carroll, Cecil, Frederick, Harford and 1 more | 21 hr |
| Feb 17, 3:24 AM EST | Winter Storm Warning | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more | 57 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegany County4
- Baltimore County4
- Carroll County4
- Cecil County4
- Frederick County4
- Harford County4
- Anne Arundel County3
- Charles County3
- Howard County3
- Montgomery County3
- Prince George's County3
- Washington County3
- City of Baltimore3
- Calvert County2
- Saint Mary's County2
- Kent County2
- Dorchester County1
- Queen Anne's County1
- Talbot 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.