Alert archive / Maryland / Mesoscale Discussions / 2017
Mesoscale Discussions in Maryland, May 2017
7 mesoscale discussions in May 2017. 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 2017. Tap one for its archive.
- Mesoscale Discussions
- 7
- Busiest day
- May 1, 20172 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 1, 11:59 AM EDT | Mesoscale Discussion | SPC | Garrett | 2 hr |
| May 1, 4:36 PM EDT | Mesoscale Discussion | SPC | Allegany | 84 min |
| May 1, 8:28 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Charles, Frederick, Howard, Montgomery and 2 more | 92 min |
| May 5, 6:15 PM EDT | Mesoscale Discussion | SPC | Frederick, Montgomery, Washington | 90 min |
| May 19, 3:36 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 10 more | 114 min |
| May 25, 12:59 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Charles, Dorchester, Howard, Montgomery and 6 more | 61 min |
| May 30, 12:03 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Montgomery County4
- Charles County3
- Frederick County3
- Howard County3
- Prince George's County3
- City of Baltimore3
- Garrett County2
- Allegany County2
- Baltimore County2
- Carroll County2
- Anne Arundel County2
- Calvert County2
- Queen Anne's County2
- Talbot County2
- Washington County1
- Caroline County1
- Cecil County1
- Harford County1
- Kent County1
- Dorchester County1
- Saint Mary's County1
- Somerset County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.