Alert archive / Maryland / Mesoscale Discussions / 2021
Mesoscale Discussions in Maryland, May 2021
10 mesoscale discussions in May 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 May 2021. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest day
- May 26, 20213 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 |
|---|---|---|---|---|
| May 3, 2:47 PM EDT | Mesoscale Discussion | SPC | Garrett | 118 min |
| May 3, 7:16 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Frederick, Harford, Howard, Kent and 1 more | 29 min |
| May 4, 1:04 PM EDT | Mesoscale Discussion | SPC | Charles | 56 min |
| May 4, 3:50 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Charles, Dorchester, Howard and 7 more | 115 min |
| May 5, 1:03 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 2 hr |
| May 26, 1:21 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 84 min |
| May 26, 4:41 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 10 more | 64 min |
| May 26, 6:34 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 9 more | 116 min |
| May 28, 3:56 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's | 2 hr |
| May 28, 7:18 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset, Wicomico | 87 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Charles County7
- Baltimore County6
- Howard County6
- Kent County6
- City of Baltimore6
- Calvert County6
- Carroll County5
- Harford County5
- Anne Arundel County5
- Dorchester County5
- Montgomery County5
- Prince George's County5
- Queen Anne's County5
- Saint Mary's County5
- Talbot County5
- Caroline County4
- Cecil County4
- Frederick County3
- Somerset County3
- Wicomico County3
- Worcester County2
- Garrett County1
- Washington County1
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.