Alert archive / Ohio / Mesoscale Discussions in 2019

Mesoscale Discussion 992

June 5, 201915 counties in Ohio; 4 counties in Pennsylvania; 7 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2019, 5:28 PM EDT for 15 counties in Ohio; 4 counties in Pennsylvania; 7 counties in West Virginia. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued: Jun 5, 2019, 5:28 PM EDT (21:28 UTC)
Expired: Jun 5, 2019, 6:30 PM EDT
In force: 62 min
Issued by: the Storm Prediction Center
Chance of a watch: 95%

All 26 counties

Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Holmes County, OH, Jefferson County, OH, Knox County, OH, Licking County, OH, Monroe County, OH, Muskingum County, OH, Noble County, OH, Stark County, OH, Tuscarawas County, OH, Allegheny County, PA, Beaver County, PA, Greene County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Wetzel County, WV

The radar

The Pittsburgh radar (KPBZ), 94 km from the middle of the area, began a volume at 21:31 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 333Jun 5, 5:45 PM EDT

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 9.5 hours before the alert went out and 100 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1350 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 159 m²/s²
0-3 km storm-relative helicity: 216 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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
Jun 5, 1:00 PM EDT	Mesoscale Discussion	SPC	Allen, Ashland, Auglaize, Champaign, Crawford, Cuyahoga and 39 more	2 hr
Jun 5, 1:44 PM EDT	Severe Thunderstorm Watch	SPC	Allen, Ashland, Ashtabula, Auglaize, Butler, Champaign and 41 more	7 hr
Jun 5, 4:35 PM EDT	Mesoscale Discussion	SPC	Allen, Ashland, Auglaize, Carroll, Champaign, Clark and 34 more	115 min
Jun 5, 5:45 PM EDT	Severe Thunderstorm Watch	SPC	Athens, Belmont, Carroll, Columbiana, Coshocton, Guernsey and 9 more	4 hr
Jun 5, 6:14 PM EDT	Mesoscale Discussion	SPC	Adams, Brown, Butler, Clermont, Clinton, Fairfield and 15 more	61 min
Jun 5, 6:29 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Clermont, Highland, Lawrence, Scioto	6 hr

Nearby

Mesoscale Discussions in Ohio, 2019 Mesoscale Discussions in West Virginia, 2019 Mesoscale Discussions in Pennsylvania, 2019 Every mesoscale discussion in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.