Alert archive / West Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Pittsburgh, PA

July 7, 2011Preston County, West Virginia

NWS Pittsburgh, PA issued this special weather statement at Jul 7, 2011, 4:22 PM EDT for Preston County, West Virginia. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 7, 2011, 4:22 PM EDT (20:22 UTC)
Expired: Jul 7, 2011, 4:45 PM EDT
In force: 23 min
Issued by: NWS Pittsburgh, PA

County Preston County, WV

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.4 hours before the alert went out and 93 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: 552 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 990 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

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 Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 6, 9:23 PM EDT	Areal Flood Warning	PBZ	Fayette	3 hr
Jul 7, 1:32 AM EDT	Special Weather Statement	PBZ	Armstrong	43 min
Jul 7, 1:52 PM EDT	Special Weather Statement	PBZ	Allegheny	38 min
Jul 7, 2:14 PM EDT	Special Weather Statement	PBZ	Westmoreland	61 min
Jul 7, 2:23 PM EDT	Special Weather Statement	PBZ	Washington	52 min
Jul 7, 3:00 PM EDT	Special Weather Statement	PBZ	Westmoreland	30 min
Jul 7, 3:33 PM EDT	Special Weather Statement	PBZ	Washington	27 min
Jul 7, 4:08 PM EDT	Special Weather Statement	PBZ	Westmoreland	22 min
Jul 7, 4:32 PM EDT	Special Weather Statement	PBZ	Fayette	43 min
Jul 7, 4:59 PM EDT	Special Weather Statement	PBZ	Fayette	31 min
Jul 7, 5:20 PM EDT	Areal Flood Warning	PBZ	Fayette, Washington, Westmoreland	2 hr
Jul 7, 3:18 PM EDT	Special Weather Statement	PBZ	Harrison	27 min
Jul 7, 3:50 PM EDT	Special Weather Statement	PBZ	Coshocton	25 min
Jul 7, 4:43 PM EDT	Special Weather Statement	PBZ	Coshocton	32 min
Jul 7, 3:39 PM EDT	Special Weather Statement	PBZ	Preston	21 min

Nearby

Special Weather Statements in West Virginia, 2011 Every special weather statement in 2011

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.