Alert archive / West Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

July 19, 201214 counties in West Virginia

NWS Charleston, WV issued this special weather statement at Jul 19, 2012, 4:21 PM EDT for 14 counties in West Virginia. It was in force for 54 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 19, 2012, 4:21 PM EDT (20:21 UTC)
Expired: Jul 19, 2012, 5:15 PM EDT
In force: 54 min
Issued by: NWS Charleston, WV

Counties Barbour County, WV, Braxton County, WV, Clay County, WV, Fayette County, WV, Harrison County, WV, Lewis County, WV, McDowell County, WV, Nicholas County, WV, Raleigh County, WV, Randolph County, WV, Taylor County, WV, Upshur County, WV, Webster County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 96 km from the middle of the area, began a volume at 20:22 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, 8.4 hours before the alert went out and 157 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: 102 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1086 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -28 m²/s²
0-3 km storm-relative helicity: 10 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.

950 
WWUS81 KRLX 192021
SPSRLX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
421 PM EDT THU JUL 19 2012

VAZ004-WVZ015-024>040-046-047-192115-
BARBOUR WV-BOONE WV-BRAXTON WV-BUCHANAN VA-CLAY WV-FAYETTE WV-
GILMER WV-HARRISON WV-KANAWHA WV-LEWIS WV-LOGAN WV-MCDOWELL WV-
MINGO WV-NICHOLAS WV-POCAHONTAS WV-RALEIGH WV-RANDOLPH WV-TAYLOR WV-
UPSHUR WV-WEBSTER WV-WYOMING WV-
421 PM EDT THU JUL 19 2012

...STRONG THUNDERSTORMS WILL AFFECT BARBOUR...BRAXTON...CLAY...
EXTREME NORTH CENTRAL BUCHANAN...FAYETTE...HARRISON...LEWIS...
MCDOWELL...NICHOLAS...RALEIGH...SOUTHEASTERN BOONE...SOUTHEASTERN
GILMER...SOUTHEASTERN KANAWHA...SOUTHEASTERN LOGAN...SOUTHEASTERN
MINGO...TAYLOR...UPSHUR...WEBSTER...WEST CENTRAL POCAHONTAS...WESTERN
RANDOLPH AND WYOMING COUNTIES...

AT 418 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 13 MILES
WEST OF CLARKSBURG TO 17 MILES EAST OF MADISON TO 18 MILES WEST OF
WELCH...MOVING EAST AT 35 MPH.

WIND GUSTS TO 45 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. 

THESE STORMS WILL BE NEAR MEADOWBROOK AROUND 430 PM...CLARKSBURG
AROUND 445 PM...GALLOWAY AROUND 500 PM AND UPPER GLADE AROUND 515 PM.

THIS WILL IMPACT THE FOLLOWING INTERSTATES...I-64 NEAR BECKLEY
BETWEEN MILE MARKERS 120 AND 137...I-79 BETWEEN MILE MARKERS 37 AND
129...THE WEST VIRGINIA TURNPIKE BETWEEN MILE MARKERS 28 AND 77.

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3811 8036 3822 8037 3826 8044 3807 8071
      3809 8088 3807 8080 3786 8075 3782 8093
      3768 8087 3771 8095 3757 8119 3727 8142
      3742 8204 3920 8053 3946 8038 3939 8008
      3945 7990 3913 7983 3901 7968

$$

30

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 9:48 PM EDT	Areal Flood Warning	RLX	Cabell	87 min
Jul 18, 10:51 PM EDT	Special Weather Statement	RLX	Logan	84 min
Jul 19, 10:47 AM EDT	Flash Flood Watch	RLX	Barbour, Braxton, Calhoun, Doddridge, Gilmer, Harrison and 6 more	9 hr
Jul 19, 2:52 PM EDT	Special Weather Statement	RLX	Cabell	38 min
Jul 19, 2:57 PM EDT	Severe Thunderstorm Warning	RLX	Cabell, Lincoln, Putnam	33 min
Jul 19, 3:32 PM EDT	Special Weather Statement	RLX	Boone, Calhoun, Doddridge, Gilmer, Kanawha, Lincoln and 7 more	58 min
Jul 19, 3:54 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Kanawha, Lincoln	51 min
Jul 19, 5:14 PM EDT	Special Weather Statement	RLX	Barbour, Fayette, Nicholas, Pocahontas, Raleigh, Randolph and 2 more	46 min
Jul 18, 8:07 PM EDT	Special Weather Statement	RLX	Gallia	38 min
Jul 19, 2:18 PM EDT	Special Weather Statement	RLX	Lawrence	27 min
Jul 19, 2:45 PM EDT	Special Weather Statement	RLX	Morgan, Washington	45 min
Jul 19, 1:09 PM EDT	Special Weather Statement	RLX	Carter	66 min
Jul 19, 1:53 PM EDT	Special Weather Statement	RLX	Boyd, Lawrence	67 min
Jul 19, 4:40 PM EDT	Special Weather Statement	RLX	Buchanan, Dickenson	65 min

Nearby

Special Weather Statements in West Virginia, 2012 Every special weather statement in 2012

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.