Alert archive / Ohio / Mesoscale Discussions in 2017

Mesoscale Discussion 1364

July 20, 201727 counties in Ohio; 16 counties in Pennsylvania; 13 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Jul 20, 2017, 3:50 PM EDT for 27 counties in Ohio; 16 counties in Pennsylvania; 13 counties in West Virginia. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 20, 2017, 3:50 PM EDT (19:50 UTC)
Expired: Jul 20, 2017, 6:15 PM EDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 56 counties

Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Fairfield County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Licking County, OH, Mahoning County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Stark County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Cambria County, PA, Cameron County, PA, Clarion County, PA, Clearfield County, PA, Elk County, PA, Fayette County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Doddridge County, WV, Hancock County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Ritchie County, WV, Tyler County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Pittsburgh radar (KPBZ), 61 km from the middle of the area, began a volume at 19:50 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
Jul 20, 11:36 AM EDT	Mesoscale Discussion	SPC	Ashtabula, Lake, Trumbull	114 min
Jul 20, 1:11 PM EDT	Severe Thunderstorm Watch	SPC	Bradford, Columbia, Lackawanna, Luzerne, Lycoming, Pike and 5 more	6 hr
Jul 20, 3:03 PM EDT	Mesoscale Discussion	SPC	Bradford, Lackawanna, Luzerne, Sullivan, Susquehanna, Tioga and 2 more	87 min
Jul 20, 4:33 PM EDT	Mesoscale Discussion	SPC	Berks, Bradford, Bucks, Carbon, Columbia, Dauphin and 17 more	87 min
Jul 20, 5:03 PM EDT	Severe Thunderstorm Watch	SPC	Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 2 more	5 hr
Jul 20, 7:48 PM EDT	Mesoscale Discussion	SPC	Bucks, Lehigh, Montgomery, Northampton, Philadelphia	87 min

Nearby

Mesoscale Discussions in Ohio, 2017 Mesoscale Discussions in Pennsylvania, 2017 Mesoscale Discussions in West Virginia, 2017 Every mesoscale discussion in 2017

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.