Alert archive / Maryland / Tornado Watches
Tornado Watches in Maryland, 2020
4 tornado watches in 2020. 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 2020. Tap one for its archive.
- Tornado Watches
- 4
- Busiest month
- April1 tornado watches
- Busiest day
- April 13, 20201 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 |
|---|---|---|---|---|
| Apr 13, 11:33 AM EDT | Tornado Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more | 5 hr |
| Aug 4, 2:26 AM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Dorchester and 9 more | 9 hr |
| Sep 3, 3:42 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 6 hr |
| Nov 30, 1:07 PM EST | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 11 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anne Arundel County4
- Baltimore County4
- Calvert County4
- Caroline County4
- Cecil County4
- Harford County4
- Kent County4
- Queen Anne's County4
- Saint Mary's County4
- Talbot County4
- City of Baltimore4
- Charles County3
- Prince George's County3
- Dorchester County3
- Somerset County3
- Wicomico County3
- Worcester County3
- Carroll County2
- Frederick County2
- Howard County2
- Montgomery County2
- Washington County2
- Allegany County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.