Alert archive / Maryland / Tornado Watches
Tornado Watches in Maryland, 2021
6 tornado watches 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Tornado Watches
- 6
- Busiest month
- September3 tornado watches
- Busiest day
- September 1, 20213 tornado watches
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 |
|---|---|---|---|---|
| Jul 8, 1:50 PM EDT | Tornado Watch | SPC | Calvert, Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 11 hr |
| Jul 29, 2:23 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 7 more | 8 hr |
| Aug 18, 11:37 AM EDT | Tornado Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 12 more | 11 hr |
| Sep 1, 12:56 AM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Carroll, Charles, Frederick, Harford and 4 more | 6 hr |
| Sep 1, 11:46 AM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 11 more | 9 hr |
| Sep 1, 12:40 PM EDT | Tornado Watch | SPC | Caroline, Kent, Queen Anne's, Talbot | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anne Arundel County4
- Baltimore County4
- Carroll County4
- Frederick County4
- Harford County4
- Howard County4
- City of Baltimore4
- Calvert County3
- Saint Mary's County3
- Cecil County3
- Kent County3
- Queen Anne's County3
- Charles County3
- Montgomery County3
- Prince George's County3
- Dorchester County2
- Somerset County2
- Wicomico County2
- Worcester County2
- Caroline County2
- Talbot County2
- Washington County2
- Allegany County1
- Garrett 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.