Alert archive / Maryland / Mesoscale Discussions
Mesoscale Discussions in Maryland, 2004
102 mesoscale discussions in 2004. 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 2004. Tap one for its archive.
- Mesoscale Discussions
- 102
- Busiest month
- May32 mesoscale discussions
- Busiest day
- May 7, 20044 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 14, 6:43 PM EST | Mesoscale Discussion | SPC | Cecil | 6 hr |
| Jan 17, 8:40 PM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more | 6 hr |
| Jan 25, 6:06 PM EST | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Calvert, Charles, Dorchester, Frederick and 6 more | 4 hr |
| Jan 27, 10:01 AM EST | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Howard, Montgomery, Washington | 4 hr |
| Feb 2, 8:58 PM EST | Mesoscale Discussion | SPC | Allegany, Garrett | 5 hr |
| Feb 3, 4:28 AM EST | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Washington | 3 hr |
| Feb 5, 4:41 PM EST | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Montgomery, Washington | 6 hr |
| Feb 6, 12:04 AM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 8 more | 6 hr |
| Feb 6, 8:03 AM EST | Mesoscale Discussion | SPC | Carroll, Frederick | 5 hr |
| Apr 23, 2:03 PM EDT | Mesoscale Discussion | SPC | Carroll, Charles, Frederick, Howard, Montgomery, Prince George's and 2 more | 2 hr |
| Apr 23, 6:30 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 10 more | 30 min |
| Apr 25, 11:42 AM EDT | Mesoscale Discussion | SPC | Garrett | 2 hr |
| May 2, 1:21 PM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Washington | 114 min |
| May 2, 5:48 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Frederick, Howard, Montgomery, Prince George's and 1 more | 117 min |
| May 2, 7:24 PM EDT | Mesoscale Discussion | SPC | Charles, Prince George's | 2 hr |
| May 5, 1:48 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 14 more | 2 hr |
| May 7, 10:29 AM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more | 91 min |
| May 7, 1:24 PM EDT | Mesoscale Discussion | SPC | Cecil, Kent, Queen Anne's | 96 min |
| May 7, 1:49 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 86 min |
| May 7, 6:17 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 13 more | 118 min |
| May 9, 12:12 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Montgomery, Washington | 3 hr |
| May 9, 8:08 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford | 2 hr |
| May 10, 12:04 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 2 hr |
| May 15, 6:05 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 7 more | 85 min |
| May 18, 1:14 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Howard, Montgomery, Prince George's, Saint Mary's | 2 hr |
| May 18, 2:54 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Cecil, Harford, Washington | 96 min |
| May 18, 7:49 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more | 2 hr |
| May 19, 2:52 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more | 3 hr |
| May 19, 3:01 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset, Wicomico and 1 more | 119 min |
| May 21, 8:34 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 4 more | 86 min |
| May 21, 12:28 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's | 2 hr |
| May 21, 5:31 PM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Washington | 89 min |
| May 25, 2:58 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 92 min |
| May 25, 6:09 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 15 more | 2 hr |
| May 25, 9:50 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Dorchester, Queen Anne's, Saint Mary's, Somerset and 3 more | 55 min |
| May 26, 12:55 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 95 min |
| May 26, 5:15 PM EDT | Mesoscale Discussion | SPC | Carroll | 2 hr |
| May 26, 8:19 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, City of Baltimore | 116 min |
| May 27, 3:07 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more | 113 min |
| May 27, 9:01 PM EDT | Mesoscale Discussion | SPC | Frederick, Garrett, Montgomery | 89 min |
| May 31, 2:40 AM EDT | Mesoscale Discussion | SPC | Garrett | 2 hr |
| May 31, 4:40 AM EDT | Mesoscale Discussion | SPC | Garrett | 95 min |
| May 31, 2:53 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Saint Mary's, Somerset | 37 min |
| May 31, 7:17 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Montgomery, Prince George's, Saint Mary's and 1 more | 118 min |
| Jun 1, 11:11 AM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 64 min |
| Jun 1, 4:22 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 53 min |
| Jun 1, 7:24 PM EDT | Mesoscale Discussion | SPC | Garrett | 66 min |
| Jun 10, 1:31 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 119 min |
| Jun 10, 4:56 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 94 min |
| Jun 14, 4:45 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 4 more | 2 hr |
| Jun 15, 3:55 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Harford, Kent | 95 min |
| Jun 17, 4:22 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Caroline, Carroll, Cecil and 8 more | 83 min |
| Jun 17, 7:37 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 53 min |
| Jun 18, 1:58 PM EDT | Mesoscale Discussion | SPC | Charles, Frederick, Howard, Montgomery, Prince George's | 2 hr |
| Jun 22, 12:08 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 7 more | 97 min |
| Jun 22, 4:16 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 89 min |
| Jun 22, 7:04 PM EDT | Mesoscale Discussion | SPC | Caroline, Cecil, Dorchester, Harford, Kent, Queen Anne's and 3 more | 56 min |
| Jun 25, 1:08 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 14 more | 2 hr |
| Jun 25, 4:14 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 5 more | 2 hr |
| Jul 1, 11:50 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 115 min |
| Jul 4, 3:00 PM EDT | Mesoscale Discussion | SPC | Garrett | 2 hr |
| Jul 4, 4:55 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 65 min |
| Jul 5, 4:08 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 13 more | 2 hr |
| Jul 7, 11:49 AM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Saint Mary's | 56 min |
| Jul 7, 2:35 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 11 more | 55 min |
| Jul 8, 3:29 PM EDT | Mesoscale Discussion | SPC | Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 91 min |
| Jul 12, 2:41 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 2 hr |
| Jul 14, 12:18 PM EDT | Mesoscale Discussion | SPC | Washington | 117 min |
| Jul 14, 3:05 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 115 min |
| Jul 22, 3:03 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 117 min |
| Jul 27, 1:49 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 11 more | 2 hr |
| Jul 31, 4:06 PM EDT | Mesoscale Discussion | SPC | Washington | 84 min |
| Aug 4, 2:31 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 119 min |
| Aug 4, 5:48 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 5 more | 117 min |
| Aug 11, 12:31 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Charles, Howard, Kent, Montgomery and 4 more | 89 min |
| Aug 11, 7:26 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 8 more | 64 min |
| Aug 12, 1:34 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset | 86 min |
| Aug 12, 6:47 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's, Somerset | 58 min |
| Aug 18, 1:24 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 13 more | 96 min |
| Aug 19, 8:28 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 5 more | 92 min |
| Aug 20, 4:03 PM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Garrett, Howard and 3 more | 2 hr |
| Aug 20, 7:15 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 90 min |
| Aug 30, 12:07 PM EDT | Mesoscale Discussion | SPC | Saint Mary's | 113 min |
| Aug 30, 6:40 PM EDT | Mesoscale Discussion | SPC | Saint Mary's, Somerset, Wicomico, Worcester | 2 hr |
| Sep 8, 12:00 PM EDT | Mesoscale Discussion | SPC | Charles | 2 hr |
| Sep 8, 3:39 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 3 more | 2 hr |
| Sep 8, 8:30 PM EDT | Mesoscale Discussion | SPC | Calvert, Carroll, Charles, Frederick, Howard, Montgomery and 3 more | 2 hr |
| Sep 9, 2:05 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Dorchester and 8 more | 2 hr |
| Sep 17, 12:33 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's | 117 min |
| Sep 17, 3:33 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 1 more | 117 min |
| Sep 17, 3:53 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Prince George's, Saint Mary's | 2 hr |
| Sep 17, 6:19 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more | 116 min |
| Sep 17, 9:58 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Dorchester, Frederick and 11 more | 2 hr |
| Sep 18, 2:39 AM EDT | Mesoscale Discussion | SPC | Caroline, Cecil, Harford, Kent, Queen Anne's | 2 hr |
| Sep 28, 8:56 AM EDT | Mesoscale Discussion | SPC | Dorchester, Somerset, Wicomico, Worcester | 2 hr |
| Sep 28, 1:49 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 13 more | 116 min |
| Sep 28, 4:36 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 114 min |
| Oct 15, 3:56 PM EDT | Mesoscale Discussion | SPC | Carroll, Charles, Frederick, Howard, Montgomery, Prince George's | 2 hr |
| Oct 16, 4:17 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Harford and 6 more | 118 min |
| Nov 25, 7:12 AM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more | 63 min |
| Nov 25, 9:46 AM EST | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 119 min |
| Dec 19, 1:05 PM EST | Mesoscale Discussion | SPC | Garrett | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Montgomery County53
- Charles County51
- Howard County50
- Prince George's County49
- Frederick County48
- Baltimore County47
- Carroll County47
- Saint Mary's County46
- Anne Arundel County44
- Harford County44
- City of Baltimore44
- Calvert County43
- Kent County43
- Cecil County42
- Washington County40
- Queen Anne's County38
- Dorchester County34
- Caroline County31
- Talbot County31
- Somerset County30
- Allegany County25
- Garrett County25
- Wicomico County25
- Worcester County20
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.