Alert archive / West Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Charleston, WV

August 19, 2011Barbour County, West Virginia

NWS Charleston, WV issued this special weather statement at Aug 19, 2011, 7:49 PM EDT for Barbour County, West Virginia. It was in force for 41 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: Aug 19, 2011, 7:49 PM EDT (23:49 UTC)
Expired: Aug 19, 2011, 8:30 PM EDT
In force: 41 min
Issued by: NWS Charleston, WV

County Barbour County, WV

The radar

The Sterling radar (KLWX), 183 km from the middle of the area, began a volume at 23:51 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

Pittsburgh, PA (KPIT), launched 12:00Z, 11.8 hours before the alert went out and 169 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: 840 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1229 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this special weather statement went out at Aug 19, 3:27 PM EDT, 4 hours 22 minutes earlier.

Area forecast discussion, Aug 19, 3:27 PM EDT, 4 hours 22 minutes before

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Hazardous weather outlook, Aug 19, 3:50 AM EDT, 15 hours 59 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
350 AM EDT FRI AUG 19 2011

KYZ101>103-105-OHZ066-067-075-076-083>087-VAZ003-004-WVZ005>011-
013>020-024>040-046-047-200800-
GREENUP-CARTER-BOYD-LAWRENCE-PERRY-MORGAN-ATHENS-WASHINGTON-JACKSON-
VINTON-MEIGS-GALLIA-DICKENSON-BUCHANAN-WAYNE-CABELL-MASON-WOOD-
PLEASANTS-TYLER-LINCOLN-PUTNAM-KANAWHA-ROANE-WIRT-CALHOUN-RITCHIE-
DODDRIDGE-MINGO-LOGAN-BOONE-CLAY-BRAXTON-GILMER-LEWIS-HARRISON-
TAYLOR-MCDOWELL-WYOMING-RALEIGH-FAYETTE-NICHOLAS-WEBSTER-UPSHUR-
BARBOUR-POCAHONTAS-RANDOLPH-
350 AM EDT FRI AUG 19 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST
KENTUCKY...SOUTHEAST OHIO...SOUTHWEST VIRGINIA AND MUCH OF WEST
VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Aug 19, 5:46 PM EDT, 2 hours 3 minutes before

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Special weather statement, Aug 19, 6:27 PM EDT, 1 hour 22 minutes before

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Special weather statement, Aug 19, 6:37 PM EDT, 1 hour 12 minutes before

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Special weather statement, Aug 19, 7:49 PM EDT, 0 minutes before

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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 19, 4:25 AM EDT	Special Weather Statement	RLX	Putnam	95 min
Aug 19, 5:12 AM EDT	Special Weather Statement	RLX	Putnam	33 min
Aug 19, 5:13 AM EDT	Special Weather Statement	RLX	Putnam	32 min
Aug 19, 5:17 AM EDT	Special Weather Statement	RLX	Cabell, Putnam, Roane	43 min
Aug 19, 5:54 AM EDT	Special Weather Statement	RLX	Jackson	51 min
Aug 19, 6:11 AM EDT	Special Weather Statement	RLX	Braxton, Gilmer	49 min
Aug 19, 6:35 AM EDT	Flash Flood Warning	RLX	Calhoun, Roane	115 min
Aug 19, 5:46 PM EDT	Special Weather Statement	RLX	Harrison	44 min
Aug 19, 6:27 PM EDT	Special Weather Statement	RLX	Doddridge, Tyler	48 min
Aug 19, 6:37 PM EDT	Special Weather Statement	RLX	Meigs	53 min
Aug 19, 5:41 AM EDT	Special Weather Statement	RLX	Boyd	49 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; radar from the NEXRAD Level II archive.