Alert archive / Maryland / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Maryland, 2012

22 severe thunderstorm watches in 2012. 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 2012. Tap one for its archive.

Severe Thunderstorm Watches
22
Busiest month
July11 severe thunderstorm watches
Busiest day
June 29, 20122 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.

IssuedProductOfficeCountiesLasted
May 29, 4:33 PM EDTSevere Thunderstorm WatchSPCBaltimore, Carroll, Charles, Frederick, Harford, Howard and 4 more4 hr
Jun 22, 2:12 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more7 hr
Jun 25, 12:55 PM EDTSevere Thunderstorm WatchSPCDorchester, Saint Mary's, Somerset, Wicomico, Worcester6 hr
Jun 29, 4:34 AM EDTSevere Thunderstorm WatchSPCAnne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 5 more3 hr
Jun 29, 6:34 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 9 more6 hr
Jun 29, 10:09 PM EDTSevere Thunderstorm WatchSPCCaroline, Cecil, Dorchester, Kent, Queen Anne's, Somerset and 3 more4 hr
Jul 1, 9:06 PM EDTSevere Thunderstorm WatchSPCAllegany, Garrett, Washington5 hr
Jul 4, 4:26 PM EDTSevere Thunderstorm WatchSPCGarrett6 hr
Jul 7, 6:14 PM EDTSevere Thunderstorm WatchSPCBaltimore, Carroll, Cecil, Frederick, Harford, Kent and 2 more3 hr
Jul 8, 1:44 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Charles and 15 more8 hr
Jul 9, 3:19 PM EDTSevere Thunderstorm WatchSPCTalbot4 hr
Jul 18, 12:41 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more8 hr
Jul 18, 1:16 PM EDTSevere Thunderstorm WatchSPCGarrett8 hr
Jul 24, 1:08 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more6 hr
Jul 26, 1:16 PM EDTSevere Thunderstorm WatchSPCGarrett9 hr
Jul 26, 5:54 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more6 hr
Jul 28, 1:36 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more8 hr
Aug 5, 3:36 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 11 more5 hr
Aug 15, 2:34 PM EDTSevere Thunderstorm WatchSPCDorchester, Saint Mary's, Somerset, Wicomico, Worcester6 hr
Sep 8, 12:15 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more9 hr
Sep 8, 1:48 PM EDTSevere Thunderstorm WatchSPCDorchester, Somerset, Wicomico, Worcester7 hr
Sep 27, 6:36 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more5 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 29, 20122severe thunderstorm watches
  2. July 18, 20122severe thunderstorm watches
  3. July 26, 20122severe thunderstorm watches
  4. September 8, 20122severe thunderstorm watches
  5. May 29, 20121severe thunderstorm watches
  6. June 22, 20121severe thunderstorm watches
  7. June 25, 20121severe thunderstorm watches
  8. June 30, 20121severe thunderstorm watches
  9. July 2, 20121severe thunderstorm watches
  10. July 4, 20121severe thunderstorm watches
  11. July 7, 20121severe thunderstorm watches
  12. July 8, 20121severe thunderstorm watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20112013

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.