Alert archive / Maryland / Mesoscale Discussions
Mesoscale Discussions in Maryland, 2007
78 mesoscale discussions in 2007. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2007. Tap one for its archive.
- Mesoscale Discussions
- 78
- Busiest month
- August18 mesoscale discussions
- Busiest day
- August 9, 20075 mesoscale discussions
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 |
|---|---|---|---|---|
| Jan 21, 6:08 PM EST | Mesoscale Discussion | SPC | Charles | 5 hr |
| Feb 13, 6:40 PM EST | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 9 more | 5 hr |
| Feb 13, 8:52 PM EST | Mesoscale Discussion | SPC | Garrett | 5 hr |
| Feb 14, 2:03 AM EST | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Cecil, Frederick, Harford and 4 more | 5 hr |
| Feb 14, 2:04 AM EST | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Cecil, Frederick, Harford and 4 more | 5 hr |
| Feb 14, 2:49 AM EST | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 3 more | 5 hr |
| Feb 25, 12:51 AM EST | Mesoscale Discussion | SPC | Allegany, Garrett | 4 hr |
| Feb 25, 7:09 AM EST | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Howard, Washington | 4 hr |
| Feb 25, 1:39 PM EST | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Harford, Kent, City of Baltimore | 4 hr |
| Mar 2, 8:25 AM EST | Mesoscale Discussion | SPC | Somerset | 95 min |
| Mar 16, 8:46 AM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Washington | 4 hr |
| Mar 16, 2:28 PM EDT | Mesoscale Discussion | SPC | Carroll, Frederick, Washington | 6 hr |
| Mar 16, 9:14 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more | 4 hr |
| Mar 27, 2:16 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 2 hr |
| Apr 1, 9:02 PM EDT | Mesoscale Discussion | SPC | Garrett | 118 min |
| Apr 27, 3:33 PM EDT | Mesoscale Discussion | SPC | Calvert, Dorchester, Saint Mary's, Somerset, Talbot, Wicomico and 1 more | 117 min |
| May 2, 11:47 AM EDT | Mesoscale Discussion | SPC | Saint Mary's, Somerset | 88 min |
| May 10, 6:28 PM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Harford, Washington | 92 min |
| May 16, 12:56 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 7 more | 64 min |
| May 16, 3:46 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 89 min |
| May 27, 4:30 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Charles, Frederick, Howard, Montgomery and 3 more | 60 min |
| May 27, 6:56 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 10 more | 2 hr |
| May 28, 12:28 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Cecil, Charles, Harford and 7 more | 92 min |
| May 31, 2:01 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Washington | 89 min |
| Jun 8, 4:12 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 7 more | 93 min |
| Jun 8, 7:48 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 4 more | 117 min |
| Jun 12, 4:23 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 67 min |
| Jun 12, 7:02 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Saint Mary's | 58 min |
| Jun 13, 11:54 AM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 66 min |
| Jun 13, 3:13 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 14 more | 92 min |
| Jun 13, 7:30 PM EDT | Mesoscale Discussion | SPC | Allegany, Charles, Garrett, Montgomery | 90 min |
| Jun 19, 12:01 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 29 min |
| Jun 19, 2:15 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 13 more | 30 min |
| Jun 19, 7:38 PM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Garrett, Harford and 4 more | 67 min |
| Jun 25, 2:27 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Calvert, Charles, Dorchester, Frederick and 8 more | 3 hr |
| Jun 28, 12:52 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 15 more | 83 min |
| Jun 28, 7:30 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 60 min |
| Jul 4, 12:39 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 66 min |
| Jul 4, 4:13 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 62 min |
| Jul 4, 8:10 PM EDT | Mesoscale Discussion | SPC | Garrett | 65 min |
| Jul 5, 11:40 AM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 2 hr |
| Jul 10, 11:45 AM EDT | Mesoscale Discussion | SPC | Charles, Montgomery, Prince George's | 3 hr |
| Jul 11, 1:59 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Harford | 91 min |
| Jul 15, 1:21 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 84 min |
| Jul 16, 12:40 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Prince George's and 6 more | 2 hr |
| Jul 16, 3:51 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 84 min |
| Jul 16, 7:53 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 97 min |
| Jul 18, 1:56 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 9 more | 64 min |
| Jul 19, 10:09 AM EDT | Mesoscale Discussion | SPC | Charles, Montgomery, Prince George's | 96 min |
| Jul 19, 6:27 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 93 min |
| Jul 26, 4:45 PM EDT | Mesoscale Discussion | SPC | Garrett | 90 min |
| Jul 27, 12:09 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 6 more | 96 min |
| Jul 27, 3:37 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 8 more | 83 min |
| Jul 30, 1:18 PM EDT | Mesoscale Discussion | SPC | Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 87 min |
| Aug 3, 3:33 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Harford, Howard, Montgomery and 2 more | 87 min |
| Aug 5, 12:05 PM EDT | Mesoscale Discussion | SPC | Dorchester, Somerset, Wicomico, Worcester | 85 min |
| Aug 7, 10:27 AM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 2 hr |
| Aug 8, 6:23 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 67 min |
| Aug 9, 8:47 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 6 more | 58 min |
| Aug 9, 12:35 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Dorchester and 11 more | 85 min |
| Aug 9, 2:25 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset, Wicomico | 2 hr |
| Aug 9, 2:41 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Calvert, Charles, Dorchester, Frederick and 9 more | 94 min |
| Aug 9, 7:23 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 16 more | 67 min |
| Aug 16, 7:48 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Prince George's, Saint Mary's, Somerset and 1 more | 57 min |
| Aug 16, 10:04 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's | 56 min |
| Aug 19, 8:14 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Charles, Dorchester, Prince George's, Saint Mary's and 4 more | 91 min |
| Aug 19, 11:58 PM EDT | Mesoscale Discussion | SPC | Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 92 min |
| Aug 20, 12:18 PM EDT | Mesoscale Discussion | SPC | Garrett | 117 min |
| Aug 20, 7:11 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 94 min |
| Aug 21, 3:51 PM EDT | Mesoscale Discussion | SPC | Saint Mary's, Somerset | 114 min |
| Aug 25, 2:25 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Charles, Frederick, Howard, Montgomery and 3 more | 95 min |
| Aug 25, 9:11 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more | 94 min |
| Sep 11, 2:49 PM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 56 min |
| Sep 27, 1:00 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Montgomery, Washington | 2 hr |
| Oct 19, 6:05 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 11 more | 55 min |
| Dec 13, 1:47 AM EST | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 5 hr |
| Dec 15, 7:43 PM EST | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more | 6 hr |
| Dec 23, 2:11 PM EST | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Washington and 1 more | 94 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carroll County41
- Frederick County41
- Montgomery County40
- Washington County39
- Howard County38
- Baltimore County37
- City of Baltimore36
- Harford County35
- Prince George's County35
- Charles County34
- Allegany County33
- Anne Arundel County29
- Garrett County29
- Cecil County29
- Saint Mary's County29
- Talbot County26
- Calvert County25
- Kent County25
- Dorchester County25
- Somerset County22
- Queen Anne's County21
- Wicomico County20
- Caroline County17
- Worcester County10
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.