Mesoscale Discussion 686

Issued

May 4, 2025, 7:12 PM EDT (23:12 UTC)

Expired

May 4, 2025, 9:15 PM EDT

In force

2 hr

Issued by

the Storm Prediction Center

Concerning

Severe potential...watch unlikely

Chance of a watch

20%

Counties Garrett County, MD, Allegheny County, PA, Armstrong County, PA, Butler County, PA, Cambria County, PA, Clarion County, PA, Fayette County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Somerset County, PA, Westmoreland County, PA, Barbour County, WV, Marion County, WV, Monongalia County, WV, Preston County, WV, Taylor County, WV, Tucker County, WV, Upshur County, WV

The Pittsburgh radar (KPBZ), 83 km from the middle of the area, began a volume at 23:14 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.

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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.