Alert archive / West Virginia / Special Weather Statements in 2014

Special Weather Statement, NWS Charleston, WV

August 18, 2014McDowell County, Raleigh County, Wyoming County, West Virginia; Buchanan County, Virginia

NWS Charleston, WV issued this special weather statement at Aug 18, 2014, 11:29 AM EDT for McDowell County, Raleigh County, Wyoming County, West Virginia; Buchanan County, Virginia. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 18, 2014, 11:29 AM EDT (15:29 UTC)
Expired: Aug 18, 2014, 1:30 PM EDT
In force: 2 hr
Issued by: NWS Charleston, WV

Counties Buchanan County, VA, McDowell County, WV, Raleigh County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 99 km from the middle of the area, began a volume at 15:32 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

Roanoke, VA (KRNK), launched 12:00Z, 3.5 hours before the alert went out and 196 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: 260 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 918 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

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The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 17, 10:24 PM EDT	Flash Flood Watch	RLX	Boone, Cabell, Clay, Kanawha, Lincoln, Logan and 5 more	20 hr
Aug 18, 9:27 AM EDT	Special Weather Statement	RLX	McDowell	2 hr
Aug 18, 5:16 PM EDT	Special Weather Statement	RLX	Barbour	29 min
Aug 18, 6:53 PM EDT	Special Weather Statement	RLX	Upshur	22 min
Aug 18, 6:58 PM EDT	Special Weather Statement	RLX	Doddridge, Harrison	32 min

Nearby

Special Weather Statements in West Virginia, 2014 Special Weather Statements in Virginia, 2014 Every special weather statement 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.