Alert archive / West Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Charleston, WV

June 21, 2011Pocahontas County, West Virginia

NWS Charleston, WV issued this special weather statement at Jun 21, 2011, 1:43 PM EDT for Pocahontas County, West Virginia. It was in force for 32 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
Jun 21, 2011, 1:43 PM EDT (17:43 UTC)
Expired
Jun 21, 2011, 2:15 PM EDT
In force
32 min
Issued by
NWS Charleston, WV

County Pocahontas County, WV

The radar

The Roanoke radar (KFCX), 173 km from the middle of the area, began a volume at 17:45 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, 5.7 hours before the alert went out and 148 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-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2011-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2011-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
696 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
54 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 Jun 21, 1:36 PM EDT, 7 minutes earlier.

Area forecast discussion, Jun 21, 1:36 PM EDT, 7 minutes before
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Hazardous weather outlook, Jun 21, 4:20 AM EDT, 9 hours 23 minutes before
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In the hours before

Special weather statement, Jun 21, 12:33 PM EDT, 1 hour 10 minutes before
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Special weather statement, Jun 21, 1:00 PM EDT, 43 minutes before
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Special weather statement, Jun 21, 1:18 PM EDT, 25 minutes before
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Special weather statement, Jun 21, 1:43 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
143 PM EDT TUE JUN 21 2011

WVZ046-047-211815-
POCAHONTAS WV-RANDOLPH WV-
143 PM EDT TUE JUN 21 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN POCAHONTAS AND
SOUTH CENTRAL RANDOLPH COUNTIES...

AT 142 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
CASS SCENIC RAILROAD...MOVING SOUTHEAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.

THIS STORM WILL BE NEAR DURBIN AROUND 150 PM...BARTOW AROUND 200 PM
AND BOYER AROUND 210 PM.

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

LAT...LON 3855 7967 3851 7966 3849 7969 3843 7968
      3839 7972 3849 8002 3863 7992 3858 7966
      3857 7965

09

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 12:33 PM EDTSpecial Weather StatementRLXUpshur27 min
Jun 21, 1:00 PM EDTSpecial Weather StatementRLXRandolph30 min
Jun 21, 1:18 PM EDTSpecial Weather StatementRLXRandolph27 min
Jun 21, 3:07 PM EDTSpecial Weather StatementRLXWyoming23 min
Jun 21, 3:43 PM EDTSpecial Weather StatementRLXRaleigh, Wyoming32 min
Jun 21, 4:29 PM EDTSpecial Weather StatementRLXRaleigh31 min
Jun 21, 4:52 PM EDTSpecial Weather StatementRLXKanawha23 min
Jun 21, 4:53 PM EDTSpecial Weather StatementRLXWayne22 min
Jun 21, 4:57 PM EDTSevere Thunderstorm WarningRLXLogan, Mingo48 min
Jun 21, 5:19 PM EDTSpecial Weather StatementRLXCabell, Lincoln, Wayne26 min
Jun 21, 5:25 PM EDTSevere Thunderstorm WarningRLXCabell, Wayne50 min
Jun 21, 5:32 PM EDTSevere Thunderstorm WarningRLXBoone, Lincoln, Logan, Mingo58 min
Jun 21, 5:55 PM EDTSpecial Weather StatementRLXPutnam35 min
Jun 21, 6:37 PM EDTSpecial Weather StatementRLXKanawha23 min
Jun 21, 7:10 PM EDTSpecial Weather StatementRLXCalhoun, Roane35 min
Jun 21, 7:41 PM EDTSpecial Weather StatementRLXPleasants, Ritchie, Wirt, Wood34 min
Jun 21, 7:49 PM EDTSpecial Weather StatementRLXBraxton, Calhoun, Gilmer26 min
Jun 21, 6:09 PM EDTSpecial Weather StatementRLXGallia, Jackson36 min
Jun 21, 6:26 PM EDTSevere Thunderstorm WarningRLXAthens, Gallia, Jackson, Meigs, Vinton34 min
Jun 21, 7:07 PM EDTSpecial Weather StatementRLXAthens, Meigs, Perry38 min
Jun 21, 7:29 PM EDTSpecial Weather StatementRLXJackson31 min
Jun 21, 7:56 PM EDTFlash Flood WarningRLXGallia, Jackson, Lawrence4 hr

Nearby

Special Weather Statements in West Virginia, 2011Every 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.