Alert archive / Pennsylvania / Mesoscale Discussions in 2018

Mesoscale Discussion 358

May 4, 201814 counties in Pennsylvania

The Storm Prediction Center issued this mesoscale discussion at May 4, 2018, 8:23 PM EDT for 14 counties in Pennsylvania. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued
May 4, 2018, 8:23 PM EDT (00:23 UTC)
Expired
May 4, 2018, 9:30 PM EDT
In force
67 min
Issued by
the Storm Prediction Center

Counties Blair County, PA, Cambria County, PA, Centre County, PA, Columbia County, PA, Fayette County, PA, Greene County, PA, Lycoming County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Snyder County, PA, Somerset County, PA, Sullivan County, PA, Union County, PA

The radar

The State College radar (KCCX), 53 km from the middle of the area, began a volume at 00:27 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.

IssuedProductOfficeCountiesLasted
May 4, 8:50 PM EDTMesoscale DiscussionSPCCarbon, Columbia, Lackawanna, Luzerne, Monroe, Montour and 8 more85 min

Nearby

Mesoscale Discussions in Pennsylvania, 2018Every mesoscale discussion in 2018

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.