Alert archive / Pennsylvania / Mesoscale Discussions in 2022

Mesoscale Discussion 79

January 16, 20224 states

The Storm Prediction Center issued this mesoscale discussion at Jan 16, 2022, 3:24 PM EST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jan 16, 2022, 3:24 PM EST (20:24 UTC)
Expired: Jan 16, 2022, 8:30 PM EST
In force: 5 hr
Issued by: the Storm Prediction Center
Concerning: Winter mixed precipitation

All 72 counties

Allegany County, MD, Carroll County, MD, Frederick County, MD, Garrett County, MD, Montgomery County, MD, Washington County, MD, Adams County, PA, Bedford County, PA, Blair County, PA, Bradford County, PA, Cambria County, PA, Cameron County, PA, Carbon County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Indiana County, PA, Juniata County, PA, Lackawanna County, PA, Lebanon County, PA, Luzerne County, PA, Lycoming County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Union County, PA, Wayne County, PA, Wyoming County, PA, York County, PA, City of Fairfax, VA, City of Falls Church, VA, City of Fredericksburg, 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, Rockingham County, VA, Shenandoah County, VA, Spotsylvania County, VA, Stafford County, VA, Warren County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Mineral County, WV, Morgan County, WV, Tucker County, WV

The radar

The Sterling radar (KLWX), 103 km from the middle of the area, began a volume at 20:25 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
Jan 16, 4:24 PM EST	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 9 more	6 hr
Jan 16, 4:02 AM EST	Mesoscale Discussion	SPC	Bland, Carroll, Floyd, Franklin, Grayson, Henry and 13 more	6 hr
Jan 16, 11:59 AM EST	Mesoscale Discussion	SPC	Amelia, Amherst, Appomattox, Bedford, Botetourt, Brunswick and 45 more	3 hr

Nearby

Mesoscale Discussions in Pennsylvania, 2022 Mesoscale Discussions in Virginia, 2022 Mesoscale Discussions in West Virginia, 2022 Every mesoscale discussion in 2022

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.