Alert archive / Maryland / Mesoscale Discussions
Mesoscale Discussions in Maryland, 2013
98 mesoscale discussions in 2013. 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 2013. Tap one for its archive.
- Mesoscale Discussions
- 98
- Busiest month
- June30 mesoscale discussions
- Busiest day
- June 13, 20138 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 15, 8:36 PM EST | Mesoscale Discussion | SPC | Allegany, Garrett | 4 hr |
| Jan 28, 12:22 AM EST | Mesoscale Discussion | SPC | Allegany, Garrett | 4 hr |
| Jan 30, 10:19 AM EST | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Washington | 86 min |
| Jan 30, 12:54 PM EST | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 6 more | 96 min |
| Jan 30, 4:06 PM EST | Mesoscale Discussion | SPC | Charles, Prince George's | 114 min |
| Jan 30, 9:06 PM EST | Mesoscale Discussion | SPC | Caroline, Cecil, Dorchester, Queen Anne's, Somerset, Wicomico and 1 more | 54 min |
| Jan 30, 9:38 PM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 7 more | 67 min |
| Jan 31, 12:52 AM EST | Mesoscale Discussion | SPC | Saint Mary's, Somerset, Worcester | 83 min |
| Jan 31, 1:48 AM EST | Mesoscale Discussion | SPC | Caroline, Kent, Queen Anne's | 57 min |
| Feb 26, 11:37 AM EST | Mesoscale Discussion | SPC | Allegany, Garrett | 5 hr |
| Mar 5, 10:52 PM EST | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Howard, Montgomery, Washington | 6 hr |
| Mar 6, 3:25 AM EST | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Howard and 4 more | 4 hr |
| Mar 24, 7:13 PM EDT | Mesoscale Discussion | SPC | Garrett | 6 hr |
| Mar 25, 12:35 AM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 5 hr |
| Mar 25, 5:31 AM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Cecil, Charles and 10 more | 6 hr |
| Apr 10, 11:11 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Washington | 94 min |
| Apr 19, 1:27 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 11 more | 63 min |
| Apr 19, 4:36 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 9 more | 114 min |
| Apr 19, 6:54 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 7 more | 66 min |
| Apr 19, 8:50 PM EDT | Mesoscale Discussion | SPC | Somerset | 55 min |
| Apr 24, 3:36 PM EDT | Mesoscale Discussion | SPC | Carroll, Frederick, Washington | 84 min |
| Apr 24, 6:59 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 7 more | 2 hr |
| May 10, 2:21 PM EDT | Mesoscale Discussion | SPC | Garrett | 54 min |
| May 11, 1:44 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 91 min |
| May 11, 7:11 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Saint Mary's | 64 min |
| May 15, 5:07 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 83 min |
| May 16, 12:04 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset | 56 min |
| May 16, 1:57 PM EDT | Mesoscale Discussion | SPC | Saint Mary's, Somerset | 3 hr |
| May 22, 3:53 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Washington | 67 min |
| May 22, 6:20 PM EDT | Mesoscale Discussion | SPC | Frederick, Washington | 85 min |
| May 23, 11:50 AM EDT | Mesoscale Discussion | SPC | Garrett | 115 min |
| May 23, 3:37 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 11 more | 53 min |
| May 28, 4:01 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 6 more | 2 hr |
| Jun 2, 3:18 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 9 more | 2 hr |
| Jun 7, 3:32 PM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 58 min |
| Jun 7, 6:40 PM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico | 2 hr |
| Jun 10, 12:56 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 2 hr |
| Jun 10, 4:38 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 97 min |
| Jun 10, 6:49 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 10 more | 86 min |
| Jun 10, 8:41 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Dorchester and 8 more | 64 min |
| Jun 12, 6:11 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 94 min |
| Jun 12, 11:22 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 53 min |
| Jun 13, 2:40 AM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 18 more | 2 hr |
| Jun 13, 5:27 AM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 18 more | 2 hr |
| Jun 13, 8:10 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 95 min |
| Jun 13, 11:38 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Montgomery and 7 more | 67 min |
| Jun 13, 11:59 AM EDT | Mesoscale Discussion | SPC | Garrett | 61 min |
| Jun 13, 2:20 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Howard, Kent, Montgomery, Prince George's, City of Baltimore | 55 min |
| Jun 13, 4:22 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more | 53 min |
| Jun 24, 1:48 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 8 more | 57 min |
| Jun 24, 4:43 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 11 more | 62 min |
| Jun 25, 5:27 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Washington | 93 min |
| Jun 25, 8:22 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Harford, Howard, Kent and 2 more | 83 min |
| Jun 25, 11:15 PM EDT | Mesoscale Discussion | SPC | Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 90 min |
| Jun 26, 1:19 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 2 hr |
| Jun 26, 4:38 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 97 min |
| Jun 27, 1:04 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 116 min |
| Jun 27, 3:57 PM EDT | Mesoscale Discussion | SPC | Baltimore, Caroline, Cecil, Harford, Kent, Queen Anne's and 1 more | 93 min |
| Jun 28, 1:02 PM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Garrett, Harford and 4 more | 118 min |
| Jun 28, 3:30 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 14 more | 2 hr |
| Jun 28, 6:47 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Dorchester, Kent, Prince George's and 5 more | 58 min |
| Jun 28, 7:11 PM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Washington | 64 min |
| Jun 30, 11:48 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 2 hr |
| Jul 7, 12:48 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 117 min |
| Jul 7, 3:19 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 2 more | 116 min |
| Jul 7, 6:09 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Cecil, Harford, Howard, Kent and 3 more | 66 min |
| Jul 17, 2:22 PM EDT | Mesoscale Discussion | SPC | Montgomery | 83 min |
| Jul 19, 6:09 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 3 more | 2 hr |
| Jul 20, 1:36 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Cecil, Harford, Kent, Queen Anne's and 1 more | 54 min |
| Jul 20, 8:15 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 5 more | 60 min |
| Jul 22, 1:18 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 9 more | 87 min |
| Jul 23, 4:02 PM EDT | Mesoscale Discussion | SPC | Garrett | 88 min |
| Jul 27, 5:25 PM EDT | Mesoscale Discussion | SPC | Carroll, Frederick, Howard, Montgomery, Washington | 95 min |
| Jul 28, 1:34 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 9 more | 56 min |
| Jul 28, 6:33 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Dorchester, Queen Anne's, Saint Mary's, Somerset and 2 more | 117 min |
| Aug 7, 5:52 PM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Washington | 83 min |
| Aug 9, 3:17 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 7 more | 58 min |
| Aug 13, 6:24 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 4 more | 3 hr |
| Aug 22, 2:26 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 3 hr |
| Sep 12, 1:29 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 11 more | 91 min |
| Sep 12, 4:24 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Cecil, Harford, Howard and 6 more | 66 min |
| Sep 12, 8:03 PM EDT | Mesoscale Discussion | SPC | Dorchester, Somerset, Wicomico, Worcester | 57 min |
| Sep 21, 7:32 PM EDT | Mesoscale Discussion | SPC | Charles, Prince George's, Saint Mary's | 2 hr |
| Oct 7, 8:10 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 10 more | 2 hr |
| Oct 7, 10:36 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 9 more | 114 min |
| Oct 7, 12:20 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 8 more | 115 min |
| Oct 7, 3:18 PM EDT | Mesoscale Discussion | SPC | Dorchester, Somerset, Wicomico | 87 min |
| Nov 1, 3:37 AM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Washington | 83 min |
| Nov 1, 5:41 AM EDT | Mesoscale Discussion | SPC | Carroll, Washington | 94 min |
| Nov 17, 11:08 PM EST | Mesoscale Discussion | SPC | Washington | 67 min |
| Nov 18, 2:31 AM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more | 89 min |
| Nov 26, 10:25 AM EST | Mesoscale Discussion | SPC | Washington | 6 hr |
| Dec 8, 11:05 AM EST | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 12 more | 3 hr |
| Dec 8, 2:30 PM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 7 more | 2 hr |
| Dec 10, 4:37 AM EST | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more | 4 hr |
| Dec 10, 7:28 AM EST | Mesoscale Discussion | SPC | Baltimore, Cecil, Harford, Kent, Queen Anne's, City of Baltimore | 5 hr |
| Dec 22, 6:14 AM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Frederick, Howard, Montgomery and 3 more | 61 min |
| Dec 22, 10:00 AM EST | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset, Talbot | 60 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- City of Baltimore50
- Anne Arundel County47
- Prince George's County46
- Queen Anne's County46
- Kent County46
- Howard County45
- Montgomery County45
- Baltimore County44
- Harford County44
- Frederick County42
- Carroll County42
- Charles County42
- Cecil County42
- Calvert County39
- Washington County38
- Talbot County35
- Saint Mary's County34
- Dorchester County33
- Caroline County32
- Somerset County27
- Garrett County26
- Wicomico County26
- Allegany County25
- Worcester County13
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.