Alert archive / West Virginia / Mesoscale Discussions in 2014

Mesoscale Discussion 951

June 10, 201415 counties in Ohio; 27 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2014, 8:30 PM EDT for 15 counties in Ohio; 27 counties in West Virginia. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued: Jun 10, 2014, 8:30 PM EDT (00:30 UTC)
Expired: Jun 10, 2014, 10:00 PM EDT
In force: 90 min
Issued by: the Storm Prediction Center

All 42 counties

Athens County, OH, Fairfield County, OH, Gallia County, OH, Hocking County, OH, Jackson County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Ross County, OH, Vinton County, OH, Washington County, OH, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, McDowell County, WV, Mingo County, WV, Nicholas County, WV, Pleasants County, WV, Putnam County, WV, Raleigh County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 52 km from the middle of the area, began a volume at 00:30 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.5 hours before the alert went out and 189 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: 340 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 929 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 12:25 PM EDT	Mesoscale Discussion	SPC	Belmont, Guernsey, Harrison, Meigs, Monroe, Morgan and 3 more	2 hr
Jun 11, 1:32 PM EDT	Mesoscale Discussion	SPC	Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more	118 min
Jun 11, 2:06 PM EDT	Severe Thunderstorm Watch	SPC	Barbour, Boone, Braxton, Calhoun, Clay, Doddridge and 23 more	7 hr
Jun 11, 2:59 PM EDT	Tornado Watch	SPC	Berkeley, Brooke, Grant, Hampshire, Hardy, Jefferson and 9 more	6 hr
Jun 11, 3:24 PM EDT	Severe Thunderstorm Watch	SPC	Pendleton	7 hr
Jun 11, 6:56 PM EDT	Mesoscale Discussion	SPC	Monroe, Pendleton	94 min

Nearby

Mesoscale Discussions in West Virginia, 2014 Mesoscale Discussions in Ohio, 2014 Every mesoscale discussion in 2014

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.