Alert archive / Maryland / Tornado Watches
Tornado Watches in Maryland, 2011
16 tornado watches in 2011. 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 2011. Tap one for its archive.
- Tornado Watches
- 16
- Busiest month
- April10 tornado watches
- Busiest day
- April 27, 20113 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 |
|---|---|---|---|---|
| Feb 28, 8:57 AM EST | Tornado Watch | SPC | Allegany, Calvert, Carroll, Charles, Frederick, Howard and 4 more | 9 hr |
| Mar 23, 1:13 PM EDT | Tornado Watch | SPC | Garrett | 7 hr |
| Apr 5, 2:18 AM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 8 hr |
| Apr 11, 12:47 PM EDT | Tornado Watch | SPC | Garrett | 6 hr |
| Apr 16, 1:29 PM EDT | Tornado Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 8 hr |
| Apr 16, 4:41 PM EDT | Tornado Watch | SPC | Caroline, Cecil, Kent, Queen Anne's, Talbot | 6 hr |
| Apr 27, 1:23 PM EDT | Tornado Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 5 hr |
| Apr 27, 3:10 PM EDT | Tornado Watch | SPC | Garrett | 7 hr |
| Apr 27, 6:15 PM EDT | Tornado Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 6 hr |
| Apr 28, 12:41 AM EDT | Tornado Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 7 hr |
| Apr 28, 7:38 AM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 10 more | 7 hr |
| Apr 28, 2:41 PM EDT | Tornado Watch | SPC | Dorchester, Somerset, Wicomico, Worcester | 6 hr |
| Aug 27, 12:32 AM EDT | Tornado Watch | SPC | Somerset, Wicomico, Worcester | 10 hr |
| Aug 27, 10:41 AM EDT | Tornado Watch | SPC | Calvert, Caroline, Dorchester, Kent, Queen Anne's, Saint Mary's and 4 more | 9 hr |
| Aug 27, 7:56 PM EDT | Tornado Watch | SPC | Caroline, Cecil, Kent, Queen Anne's, Talbot | 9 hr |
| Oct 13, 4:28 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Charles, Dorchester, Harford and 5 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calvert County9
- Saint Mary's County9
- Charles County8
- Howard County8
- Montgomery County8
- Prince George's County8
- Carroll County7
- Frederick County7
- Anne Arundel County7
- Baltimore County7
- Harford County7
- City of Baltimore7
- Allegany County5
- Washington County5
- Dorchester County5
- Somerset County5
- Wicomico County5
- Worcester County5
- Caroline County4
- Kent County4
- Queen Anne's County4
- Talbot County4
- Garrett County3
- Cecil County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.