Alert archive / Maryland / Mesoscale Discussions / 2021
Mesoscale Discussions in Maryland, June 2021
17 mesoscale discussions in June 2021. 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 June 2021. Tap one for its archive.
- Mesoscale Discussions
- 17
- Busiest day
- June 14, 20214 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 1:46 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 119 min |
| Jun 3, 4:47 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more | 88 min |
| Jun 4, 12:46 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Charles, Prince George's, Queen Anne's, Saint Mary's and 2 more | 59 min |
| Jun 4, 2:26 PM EDT | Mesoscale Discussion | SPC | Cecil, Harford | 94 min |
| Jun 4, 4:12 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Cecil, Dorchester, Harford, Kent and 6 more | 93 min |
| Jun 13, 12:13 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 2 hr |
| Jun 13, 12:32 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Carroll, Charles, Frederick, Howard and 3 more | 118 min |
| Jun 13, 3:26 PM EDT | Mesoscale Discussion | SPC | Garrett | 94 min |
| Jun 14, 11:31 AM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 89 min |
| Jun 14, 3:55 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 65 min |
| Jun 14, 6:41 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 2 hr |
| Jun 14, 7:37 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 113 min |
| Jun 14, 10:09 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more | 2 hr |
| Jun 21, 1:51 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick and 8 more | 114 min |
| Jun 21, 6:15 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Cecil, Harford, Howard and 5 more | 60 min |
| Jun 30, 4:41 PM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Garrett, Howard and 2 more | 2 hr |
| Jun 30, 6:58 PM EDT | Mesoscale Discussion | SPC | Carroll, Frederick, Montgomery | 92 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anne Arundel County8
- Prince George's County8
- Calvert County7
- Carroll County7
- Cecil County7
- Harford County7
- Howard County7
- Kent County7
- Montgomery County7
- Queen Anne's County7
- Talbot County7
- Garrett County7
- Baltimore County6
- Caroline County6
- Charles County6
- Frederick County6
- Saint Mary's County6
- City of Baltimore6
- Allegany County6
- Dorchester County5
- Washington County5
- Somerset County3
- Wicomico County3
- Worcester County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.