Alert archive / Pennsylvania / Mesoscale Discussions in 2019

Mesoscale Discussion 867

May 28, 20195 states

The Storm Prediction Center issued this mesoscale discussion at May 28, 2019, 8:07 PM EDT for 5 states. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: May 28, 2019, 8:07 PM EDT (00:07 UTC)
Expired: May 28, 2019, 10:00 PM EDT
In force: 113 min
Issued by: the Storm Prediction Center

All 89 counties

Kent County, DE, New Castle County, DE, Baltimore County, MD, Caroline County, MD, Carroll County, MD, Cecil County, MD, City of Baltimore, MD, Harford County, MD, Kent County, MD, Queen Anne's County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Essex County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Passaic County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Sullivan County, NY, Adams County, PA, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Bedford County, PA, Berks County, PA, Blair County, PA, Bradford County, PA, Bucks County, PA, Butler County, PA, Cambria County, PA, Cameron County, PA, Carbon County, PA, Centre County, PA, Chester County, PA, Clarion County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Crawford County, PA, Cumberland County, PA, Dauphin County, PA, Delaware County, PA, Elk County, PA, Forest County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Indiana County, PA, Jefferson County, PA, Juniata County, PA, Lackawanna County, PA, Lancaster County, PA, Lawrence County, PA, Lebanon County, PA, Lehigh County, PA, Luzerne County, PA, Lycoming County, PA, Mercer County, PA, Mifflin County, PA, Monroe County, PA, Montgomery County, PA, Montour County, PA, Northampton County, PA, Northumberland County, PA, Perry County, PA, Philadelphia County, PA, Pike County, PA, Potter County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Union County, PA, Venango County, PA, Washington County, PA, Wayne County, PA, Westmoreland County, PA, Wyoming County, PA, York County, PA

The radar

The State College radar (KCCX), 106 km from the middle of the area, began a volume at 00:11 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.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 1:10 PM EDT	Tornado Watch	SPC	New Castle	8 hr
May 29, 3:47 PM EDT	Mesoscale Discussion	SPC	New Castle	118 min
May 29, 11:52 AM EDT	Severe Thunderstorm Watch	SPC	Garrett	6 hr
May 29, 4:58 PM EDT	Mesoscale Discussion	SPC	Baltimore, Carroll, Frederick, Howard, Montgomery, City of Baltimore	3 hr
May 28, 9:31 PM EDT	Mesoscale Discussion	SPC	Essex, Hudson, Morris, Union	89 min
May 29, 12:06 PM EDT	Mesoscale Discussion	SPC	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more	84 min
May 29, 12:56 PM EDT	Severe Thunderstorm Watch	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more	6 hr
May 29, 3:17 PM EDT	Mesoscale Discussion	SPC	Allegheny, Fayette, Greene, Somerset, Washington, Westmoreland	118 min

Nearby

Mesoscale Discussions in Pennsylvania, 2019 Mesoscale Discussions in New Jersey, 2019 Mesoscale Discussions in Maryland, 2019 Every mesoscale discussion in 2019

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.