Tornado Watches in Maryland
169 tornado watches 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Tornado Watches
- 169
- Busiest year
- 201116 tornado watches
- Average year
- 6over 30 years on file
Over time
By year
Watches are counted from 1997, when the Storm Prediction Center archive begins.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Mary's County99
- Calvert County93
- Charles County90
- Anne Arundel County83
- Prince George's County82
- City of Baltimore82
- Harford County79
- Baltimore County78
- Somerset County77
- Howard County77
- Dorchester County74
- Montgomery County73
- Worcester County72
- Wicomico County71
- Carroll County71
- Queen Anne's County68
- Talbot County68
- Kent County67
- Caroline County66
- Cecil County66
- Frederick County66
- Washington County51
- Garrett County34
- Allegany County33
The latest tornado watches
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 2:58 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 7 hr |
| Jul 28, 4:20 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 5 hr |
| Jul 18, 1:55 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 9 more | 6 hr |
| Mar 16, 11:30 AM EDT | Tornado Watch | SPC | Caroline, Kent, Queen Anne's, Talbot | 6 hr |
| Mar 16, 10:52 AM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 12 more | 8 hr |
| Mar 11, 1:45 PM EDT | Tornado Watch | SPC | Allegany, Baltimore, Carroll, Frederick, Garrett, Harford and 4 more | 6 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.