Alert archive / Pennsylvania / Mesoscale Discussions in 2007

Mesoscale Discussion 1594

July 27, 20075 states

The Storm Prediction Center issued this mesoscale discussion at Jul 27, 2007, 12:09 PM EDT for 5 states. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Jul 27, 2007, 12:09 PM EDT (16:09 UTC)
Expired: Jul 27, 2007, 1:45 PM EDT
In force: 96 min
Issued by: the Storm Prediction Center

All 80 counties

Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, Cecil County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Kent County, MD, Montgomery County, MD, Prince George's County, MD, Washington County, MD, Broome County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Schuyler County, NY, Tioga County, NY, Tompkins County, NY, Adams County, PA, Bedford County, PA, Berks County, PA, Blair County, PA, Bradford County, PA, Carbon County, PA, Centre County, PA, Chester County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lackawanna County, PA, Lancaster County, PA, Lebanon County, PA, Lehigh County, PA, Luzerne County, PA, Lycoming County, PA, Mifflin County, PA, Monroe County, PA, Montour County, PA, Northampton County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Union County, PA, Wayne County, PA, Wyoming County, PA, York County, PA, Arlington County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, City of Manassas, VA, City of Manassas Park, VA, City of Winchester, VA, Clarke County, VA, Culpeper County, VA, Fairfax County, VA, Fauquier County, VA, Frederick County, VA, Loudoun County, VA, Madison County, VA, Orange County, VA, Page County, VA, Prince William County, VA, Rappahannock County, VA, Shenandoah County, VA, Warren County, VA, Berkeley County, WV, Hampshire County, WV, Jefferson County, WV, Morgan County, WV

The radar

The State College radar (KCCX), 96 km from the middle of the area, began a volume at 16:12 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 1:26 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 6 more	6 hr
Jul 27, 3:37 PM EDT	Mesoscale Discussion	SPC	Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 8 more	83 min
Jul 27, 12:48 PM EDT	Severe Thunderstorm Watch	SPC	Broome, Cayuga, Chemung, Chenango, Clinton, Cortland and 27 more	7 hr
Jul 27, 3:16 PM EDT	Mesoscale Discussion	SPC	Broome, Cayuga, Chemung, Chenango, Clinton, Cortland and 27 more	89 min
Jul 27, 6:04 PM EDT	Mesoscale Discussion	SPC	Albany, Bronx, Columbia, Dutchess, Greene, New York and 8 more	86 min
Jul 27, 2:33 PM EDT	Severe Thunderstorm Watch	SPC	Cabell, Wayne	7 hr

Nearby

Mesoscale Discussions in Pennsylvania, 2007 Mesoscale Discussions in Virginia, 2007 Mesoscale Discussions in Maryland, 2007 Every mesoscale discussion in 2007

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.