Alert archive / Maryland / Mesoscale Discussions in 2004
Mesoscale Discussion 2234
The Storm Prediction Center issued this mesoscale discussion at Sep 17, 2004, 3:33 PM EDT for 7 counties in Maryland; Adams County, Lancaster County, York County, Pennsylvania. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Sep 17, 2004, 3:33 PM EDT (19:33 UTC)
- Expired
- Sep 17, 2004, 5:30 PM EDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
Counties Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Adams County, PA, Lancaster County, PA, York County, PA
The radar
The Sterling radar (KLWX), 83 km from the middle of the area, began a volume at 19:36 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 12:33 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's | 117 min |
| Sep 17, 1:15 PM EDT | Tornado Watch | SPC | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 7 hr |
| Sep 17, 3:50 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 4 hr |
| 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, 6:50 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 5 hr |
Nearby
Mesoscale Discussions in Maryland, 2004Mesoscale Discussions in Pennsylvania, 2004Every mesoscale discussion in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.