Alert archive / Maryland / Mesoscale Discussions / 2004

Mesoscale Discussions in Maryland, May 2004

32 mesoscale discussions in May 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 May 2004. Tap one for its archive.

Mesoscale Discussions
32
Busiest day
May 7, 20044 mesoscale discussions

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.

IssuedProductOfficeCountiesLasted
May 2, 1:21 PM EDTMesoscale DiscussionSPCAllegany, Frederick, Garrett, Washington114 min
May 2, 5:48 PM EDTMesoscale DiscussionSPCBaltimore, Carroll, Frederick, Howard, Montgomery, Prince George's and 1 more117 min
May 2, 7:24 PM EDTMesoscale DiscussionSPCCharles, Prince George's2 hr
May 5, 1:48 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 14 more2 hr
May 7, 10:29 AM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more91 min
May 7, 1:24 PM EDTMesoscale DiscussionSPCCecil, Kent, Queen Anne's96 min
May 7, 1:49 PM EDTMesoscale DiscussionSPCAllegany, Garrett, Washington86 min
May 7, 6:17 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 13 more118 min
May 9, 12:12 PM EDTMesoscale DiscussionSPCAllegany, Carroll, Frederick, Garrett, Montgomery, Washington3 hr
May 9, 8:08 PM EDTMesoscale DiscussionSPCBaltimore, Carroll, Cecil, Frederick, Harford2 hr
May 10, 12:04 PM EDTMesoscale DiscussionSPCAllegany, Garrett, Washington2 hr
May 15, 6:05 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 7 more85 min
May 18, 1:14 PM EDTMesoscale DiscussionSPCCalvert, Charles, Howard, Montgomery, Prince George's, Saint Mary's2 hr
May 18, 2:54 PM EDTMesoscale DiscussionSPCAllegany, Carroll, Cecil, Harford, Washington96 min
May 18, 7:49 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more2 hr
May 19, 2:52 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more3 hr
May 19, 3:01 PM EDTMesoscale DiscussionSPCCalvert, Charles, Dorchester, Saint Mary's, Somerset, Wicomico and 1 more119 min
May 21, 8:34 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 4 more86 min
May 21, 12:28 PM EDTMesoscale DiscussionSPCCharles, Saint Mary's2 hr
May 21, 5:31 PM EDTMesoscale DiscussionSPCAllegany, Frederick, Garrett, Washington89 min
May 25, 2:58 PM EDTMesoscale DiscussionSPCAllegany, Garrett, Washington92 min
May 25, 6:09 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 15 more2 hr
May 25, 9:50 PM EDTMesoscale DiscussionSPCCalvert, Caroline, Dorchester, Queen Anne's, Saint Mary's, Somerset and 3 more55 min
May 26, 12:55 PM EDTMesoscale DiscussionSPCAllegany, Garrett95 min
May 26, 5:15 PM EDTMesoscale DiscussionSPCCarroll2 hr
May 26, 8:19 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Charles, Prince George's, City of Baltimore116 min
May 27, 3:07 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more113 min
May 27, 9:01 PM EDTMesoscale DiscussionSPCFrederick, Garrett, Montgomery89 min
May 31, 2:40 AM EDTMesoscale DiscussionSPCGarrett2 hr
May 31, 4:40 AM EDTMesoscale DiscussionSPCGarrett95 min
May 31, 2:53 PM EDTMesoscale DiscussionSPCCalvert, Charles, Saint Mary's, Somerset37 min
May 31, 7:17 PM EDTMesoscale DiscussionSPCCalvert, Charles, Dorchester, Montgomery, Prince George's, Saint Mary's and 1 more118 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

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.