Alert archive / Pennsylvania / Mesoscale Discussions in 2014

Mesoscale Discussion 1594

August 21, 20145 states

The Storm Prediction Center issued this mesoscale discussion at Aug 21, 2014, 3:30 PM EDT for 5 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 21, 2014, 3:30 PM EDT (19:30 UTC)
Expired: Aug 21, 2014, 5:30 PM EDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 46 counties

Kent County, DE, New Castle County, DE, Anne Arundel County, MD, Baltimore County, MD, Caroline 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, Queen Anne's County, MD, Washington County, MD, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Salem County, NJ, Adams County, PA, Berks County, PA, Bucks County, PA, Chester County, PA, Cumberland County, PA, Dauphin County, PA, Delaware County, PA, Franklin County, PA, Huntingdon County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, Lehigh County, PA, Mifflin County, PA, Montgomery County, PA, Perry County, PA, Philadelphia County, PA, Schuylkill County, PA, Snyder County, PA, York County, PA, Arlington County, VA, City of Alexandria, VA, City of Falls Church, VA

The radar

The Sterling radar (KLWX), 112 km from the middle of the area, began a volume at 19:33 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 text

As transmitted, in the capitals the NWS used until 2016.

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Nearby

Mesoscale Discussions in Pennsylvania, 2014 Mesoscale Discussions in Maryland, 2014 Mesoscale Discussions in New Jersey, 2014 Every mesoscale discussion in 2014

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.