Alert archive / Pennsylvania / Mesoscale Discussions in 2004

Mesoscale Discussion 631

May 10, 20044 states

The Storm Prediction Center issued this mesoscale discussion at May 10, 2004, 12:04 PM EDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 10, 2004, 12:04 PM EDT (16:04 UTC)
Expired: May 10, 2004, 2:30 PM EDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 43 counties

Allegany County, MD, Garrett County, MD, Washington County, MD, Carroll County, OH, Columbiana County, OH, Jefferson County, OH, Mahoning County, OH, Tuscarawas County, OH, Adams County, PA, Allegheny County, PA, Beaver County, PA, Bedford County, PA, Blair County, PA, Butler County, PA, Cambria County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Fayette County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lawrence County, PA, Lebanon County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Union County, PA, Washington County, PA, Westmoreland County, PA, Berkeley County, WV, Brooke County, WV, Grant County, WV, Hampshire County, WV, Hancock County, WV, Mineral County, WV, Morgan County, WV, Tucker County, WV

The radar

The State College radar (KCCX), 109 km from the middle of the area, began a volume at 16:04 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 8:08 PM EDT	Mesoscale Discussion	SPC	Baltimore, Carroll, Cecil, Frederick, Harford	2 hr
May 9, 10:04 PM EDT	Mesoscale Discussion	SPC	Defiance, Fulton, Henry, Lucas, Paulding, Williams and 1 more	56 min
May 10, 3:14 PM EDT	Mesoscale Discussion	SPC	Mahoning, Portage, Trumbull	3 hr
May 10, 7:05 PM EDT	Mesoscale Discussion	SPC	Defiance, Fulton, Henry, Lucas, Paulding, Williams	115 min

Nearby

Mesoscale Discussions in Pennsylvania, 2004 Mesoscale Discussions in West Virginia, 2004 Mesoscale Discussions in Ohio, 2004 Every 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.