Alert archive / Maryland / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Maryland, 2017
17 severe thunderstorm watches in 2017. 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Severe Thunderstorm Watches
- 17
- Busiest month
- August5 severe thunderstorm watches
- Busiest day
- March 1, 20172 severe thunderstorm 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 25, 1:30 PM EST | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 6 hr |
| Mar 1, 10:38 AM EST | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 4 hr |
| Mar 1, 1:13 PM EST | Severe Thunderstorm Watch | SPC | Caroline, Cecil, Dorchester, Kent, Queen Anne's, Somerset and 3 more | 4 hr |
| Apr 6, 12:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 9 more | 4 hr |
| May 1, 5:54 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Baltimore, Carroll, Charles, Frederick, Harford and 5 more | 5 hr |
| Jun 19, 11:13 AM EDT | Severe Thunderstorm Watch | SPC | Caroline, Cecil, Kent, Queen Anne's, Talbot | 9 hr |
| Jun 19, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 11 more | 8 hr |
| Jun 23, 2:20 PM EDT | Severe Thunderstorm Watch | SPC | Garrett | 8 hr |
| Jul 1, 1:34 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 11 more | 7 hr |
| Jul 7, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | Garrett | 8 hr |
| Jul 14, 1:40 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more | 7 hr |
| Aug 4, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | Garrett | 8 hr |
| Aug 12, 4:11 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more | 7 hr |
| Aug 18, 2:27 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 9 hr |
| Aug 22, 12:39 PM EDT | Severe Thunderstorm Watch | SPC | Garrett | 8 hr |
| Aug 22, 4:19 PM EDT | Severe Thunderstorm Watch | SPC | Cecil | 8 hr |
| Sep 5, 3:26 PM EDT | Severe Thunderstorm Watch | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 3 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baltimore County10
- Harford County10
- Howard County10
- Montgomery County10
- City of Baltimore10
- Carroll County9
- Cecil County9
- Charles County9
- Frederick County9
- Prince George's County9
- Washington County9
- Anne Arundel County8
- Calvert County8
- Caroline County7
- Kent County7
- Queen Anne's County7
- Saint Mary's County7
- Talbot County7
- Dorchester County4
- Somerset County4
- Wicomico County4
- Worcester County4
- Garrett County4
- Allegany County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.