Alert archive / Maryland / Severe Thunderstorm Warnings / 2012
Severe Thunderstorm Warnings in Maryland, August 2012
48 severe thunderstorm warnings in August 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 warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 2012. Tap one for its archive.
- Severe Thunderstorm Warnings
- 48
- Busiest day
- August 5, 201210 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 |
|---|---|---|---|---|
| Aug 2, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 18 min |
| Aug 3, 4:58 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 40 min |
| Aug 5, 3:16 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 44 min |
| Aug 5, 3:33 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick | 42 min |
| Aug 5, 4:29 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 46 min |
| Aug 5, 4:36 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 39 min |
| Aug 5, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 51 min |
| Aug 5, 4:59 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 33 min |
| Aug 5, 5:10 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 80 min |
| Aug 5, 5:29 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 29 min |
| Aug 5, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 82 min |
| Aug 5, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 39 min |
| Aug 9, 12:31 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 59 min |
| Aug 9, 1:27 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 48 min |
| Aug 9, 2:24 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 51 min |
| Aug 9, 3:49 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 41 min |
| Aug 9, 4:27 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 48 min |
| Aug 9, 5:17 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Howard | 43 min |
| Aug 9, 6:59 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 46 min |
| Aug 9, 7:19 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 41 min |
| Aug 9, 7:44 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery | 46 min |
| Aug 10, 8:55 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 65 min |
| Aug 10, 8:59 AM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 46 min |
| Aug 10, 4:51 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 39 min |
| Aug 10, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 50 min |
| Aug 11, 5:20 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 40 min |
| Aug 14, 3:01 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 38 min |
| Aug 14, 3:41 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 49 min |
| Aug 14, 4:34 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 41 min |
| Aug 14, 7:03 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 42 min |
| Aug 14, 8:14 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Harford | 46 min |
| Aug 14, 8:32 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Howard, City of Baltimore | 43 min |
| Aug 14, 9:13 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 47 min |
| Aug 14, 9:54 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 51 min |
| Aug 14, 10:03 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 42 min |
| Aug 14, 10:14 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick | 46 min |
| Aug 14, 11:06 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 39 min |
| Aug 14, 11:16 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 34 min |
| Aug 15, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 49 min |
| Aug 15, 7:16 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 35 min |
| Aug 17, 9:08 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 67 min |
| Aug 17, 9:55 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 65 min |
| Aug 26, 1:52 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 53 min |
| Aug 26, 2:22 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 53 min |
| Aug 26, 2:31 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 30 min |
| Aug 26, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 25 min |
| Aug 26, 5:36 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 39 min |
| Aug 26, 7:39 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 66 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baltimore County14
- Talbot County9
- Harford County8
- Queen Anne's County8
- Carroll County7
- Caroline County7
- Cecil County6
- Montgomery County6
- Frederick County6
- Howard County6
- City of Baltimore6
- Anne Arundel County4
- Kent County4
- Allegany County4
- Washington County4
- Prince George's County3
- Calvert County2
- Garrett County2
- Dorchester County1
- Wicomico County1
- Charles County1
- Saint Mary's County1
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.