Alert archive / Maryland / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in Maryland, June 2011
51 severe thunderstorm warnings in June 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in June 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 51
- Busiest day
- June 12, 201117 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Jun 1, 3:06 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 54 min |
| Jun 1, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 38 min |
| Jun 1, 4:47 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 22 min |
| Jun 1, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 26 min |
| Jun 1, 5:32 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 42 min |
| Jun 1, 5:39 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 66 min |
| Jun 1, 6:22 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 38 min |
| Jun 1, 6:39 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 51 min |
| Jun 1, 6:54 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 46 min |
| Jun 1, 7:28 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 22 min |
| Jun 9, 6:44 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 46 min |
| Jun 9, 7:31 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 44 min |
| Jun 9, 8:04 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 41 min |
| Jun 9, 8:15 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, City of Baltimore | 45 min |
| Jun 9, 8:40 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 33 min |
| Jun 9, 8:45 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 60 min |
| Jun 9, 11:20 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 40 min |
| Jun 9, 11:26 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 35 min |
| Jun 9, 11:46 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 59 min |
| Jun 10, 12:07 AM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 38 min |
| Jun 10, 12:16 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 59 min |
| Jun 10, 6:55 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 26 min |
| Jun 11, 3:39 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 21 min |
| Jun 11, 4:10 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| Jun 11, 5:23 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 52 min |
| Jun 11, 5:31 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 44 min |
| Jun 11, 8:18 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 42 min |
| Jun 11, 8:54 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 51 min |
| Jun 12, 2:10 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Frederick, Washington | 50 min |
| Jun 12, 2:56 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 34 min |
| Jun 12, 3:12 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 48 min |
| Jun 12, 3:16 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery, Washington | 44 min |
| Jun 12, 3:39 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico, Worcester | 33 min |
| Jun 12, 3:45 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 45 min |
| Jun 12, 3:51 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 54 min |
| Jun 12, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 49 min |
| Jun 12, 4:51 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 39 min |
| Jun 12, 5:00 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 45 min |
| Jun 12, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 52 min |
| Jun 12, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 37 min |
| Jun 12, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 65 min |
| Jun 12, 6:30 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 45 min |
| Jun 12, 6:50 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 55 min |
| Jun 17, 4:29 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 33 min |
| Jun 17, 6:45 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 45 min |
| Jun 17, 7:23 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 52 min |
| Jun 17, 7:54 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 36 min |
| Jun 21, 6:12 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 48 min |
| Jun 22, 1:05 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 55 min |
| Jun 28, 6:22 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Worcester | 38 min |
| Jun 28, 6:34 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 26 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County11
- Charles County9
- Anne Arundel County8
- Baltimore County8
- Talbot County7
- Queen Anne's County7
- Harford County6
- Calvert County6
- Washington County5
- Frederick County5
- City of Baltimore5
- Kent County5
- Caroline County5
- Cecil County4
- Montgomery County3
- Carroll County3
- Saint Mary's County3
- Howard County2
- Worcester County2
- Allegany County1
- Wicomico County1
- Dorchester County1
- Somerset County1
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.