Alert archive / West Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

April 11, 2012Randolph County, West Virginia

NWS Charleston, WV issued this special weather statement at Apr 11, 2012, 10:00 AM EDT for Randolph County, West Virginia. It was in force for 60 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: Apr 11, 2012, 10:00 AM EDT (14:00 UTC)
Expired: Apr 11, 2012, 11:00 AM EDT
In force: 60 min
Issued by: NWS Charleston, WV

County Randolph County, WV

The radar

The Charleston,WV radar (KRLX), 174 km from the middle of the area, began a volume at 14:04 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, 2.0 hours before the alert went out and 178 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1267 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 59 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 Apr 11, 6:27 AM EDT, 3 hours 33 minutes earlier.

Area forecast discussion, Apr 11, 6:27 AM EDT, 3 hours 33 minutes before

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Hazardous weather outlook, Apr 11, 4:08 AM EDT, 5 hours 52 minutes before

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In the hours before

Special weather statement, Apr 11, 10:00 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1000 AM EDT WED APR 11 2012

WVZ038-046-047-111500-
POCAHONTAS WV-RANDOLPH WV-WEBSTER WV-
1000 AM EDT WED APR 11 2012

...SNOW SHOWERS AND FREEZING TEMPERATURES LEAVING A COATING ACROSS
HIGH TERRAIN OF WESTERN POCAHONTAS...RANDOLPH AND EASTERN
WEBSTER COUNTIES...

AT 945 AM...SNOW SHOWERS...OF VARYING INTENSITY...WERE AFFECTING THE
CENTRAL MOUNTAINS OF WEST VIRGINIA THIS MORNING.  TEMPERATURES ARE
BELOW FREEZING FOR ELEVATIONS ABOVE 2500 FEET.

UNTREATED ROADS ACROSS THE HIGH ELEVATIONS COULD EASILY BE COATED
AND SLIPPERY.  THIS WOULD INCLUDE SUCH MAIN ROADS AS ROUTE 15 ACROSS
POINT MOUNTAIN...ROUTE 219 NEAR MINGO...MACE AND SNOWSHOE...ROUTE
250 ACROSS CHEAT AND SHAVERS MOUNTAINS...AND ROUTE 33 NEAR
ALPENA...WYMER...AND HARMAN.

SO...BE PREPARED FOR A TASTE OF WINTER ACROSS HIGH ELEVATIONS. ALLOW
EXTRA TIME...SO YOU CAN DRIVE SLOWER AND SAFER.

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

LAT...LON 3892 7937 3893 7945 3889 7946 3889 7952
      3878 7951 3867 7959 3817 8035 3822 8037
      3830 8051 3858 8022 3870 8028 3875 8023
      3875 8012 3894 8009 3897 7990 3912 7982
      3903 7977 3897 7951 3896 7936 3896 7935

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 1:55 PM EDT	Freeze Warning	RLX	Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 22 more	19 hr

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.