Alert archive / West Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

July 4, 2012Taylor County, West Virginia

NWS Charleston, WV issued this special weather statement at Jul 4, 2012, 8:23 PM EDT for Taylor County, West Virginia. It was in force for 22 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 4, 2012, 8:23 PM EDT (00:23 UTC)
Expired
Jul 4, 2012, 8:45 PM EDT
In force
22 min
Issued by
NWS Charleston, WV

County Taylor County, WV

The radar

The Pittsburgh radar (KPBZ), 136 km from the middle of the area, began a volume at 00:26 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 00:00Z, 0.4 hours before the alert went out and 121 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, Pittsburgh, PA at 00:00Z on 2012-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1419 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, Pittsburgh, PA at 00:00Z on 2012-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939Sfc1 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
1419 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
2023 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
133 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 Jul 4, 7:35 PM EDT, 48 minutes earlier.

Area forecast discussion, Jul 4, 7:35 PM EDT, 48 minutes before
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Hazardous weather outlook, Jul 4, 8:18 PM EDT, 5 minutes before
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In the hours before

Special weather statement, Jul 4, 4:44 PM EDT, 3 hours 39 minutes before
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Special weather statement, Jul 4, 8:23 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
823 PM EDT WED JUL 4 2012

WVZ032-040-050045-
BARBOUR WV-TAYLOR WV-
823 PM EDT WED JUL 4 2012

...DEVELOPING THUNDERSTORMS IN TAYLOR COUNTY MOVING SOUTHEAST TOWARD
BARBOUR COUNTY.

AT 815 PM EDT...A DEVELOPING THUNDERSTORM WAS LOCATED NORTH OF
GRAFTON IN TAYLOR COUNTY...MOVING SOUTHEAST AT 20 MPH.

THIS STORM COULD PRODUCE HAIL UP TO NICKEL SIZE. A LOCAL DOWNPOUR
OF RAIN IS ALSO LIKELY...THAT COULD CAUSE PONDING OF WATER ON
ROADS.

THESE SHOWERS AND THUNDERSTORMS WILL ALSO BE MOVING INTO BARBOUR
COUNTY BY 9 O'CLOCK.

IF ANY STORM PULSES TO A STRONGER LEVEL...A LOCAL SEVERE
THUNDERSTORM WARNING MAY BE NEEDED.

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

LAT...LON 3913 7983 3926 8017 3937 8018 3941 8010
      3939 8009 3940 8004 3945 7996 3942 7990
      3938 7989 3931 7989 3929 7986 3925 7984

22

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 8:58 PM EDTSpecial Weather StatementRLXBarbour, Taylor32 min
Jul 5, 2:07 AM EDTSpecial Weather StatementRLXBarbour, Harrison, Taylor53 min
Jul 5, 2:50 AM EDTSevere Thunderstorm WarningRLXBarbour, Randolph, Taylor38 min
Jul 5, 6:16 AM EDTSpecial Weather StatementRLXCabell44 min
Jul 5, 9:28 AM EDTSpecial Weather StatementRLXPleasants, Tyler77 min
Jul 5, 10:24 AM EDTSpecial Weather StatementRLXCalhoun, Doddridge, Gilmer, Jackson, Lewis, Mason and 4 more66 min
Jul 5, 11:10 AM EDTSpecial Weather StatementRLXBraxton, Calhoun, Clay, Gilmer, Jackson, Kanawha and 4 more50 min
Jul 5, 11:20 AM EDTSevere Thunderstorm WarningRLXJackson, Kanawha, Mason, Putnam40 min
Jul 5, 11:39 AM EDTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Lincoln, Putnam36 min
Jul 5, 12:16 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha, Lincoln, Logan, Putnam, Raleigh and 1 more59 min
Jul 5, 12:47 PM EDTSevere Thunderstorm WarningRLXFayette, Kanawha, Raleigh, Wyoming43 min
Jul 5, 1:03 PM EDTSevere Thunderstorm WarningRLXLogan, McDowell, Mingo, Wyoming57 min
Jul 5, 1:17 PM EDTSevere Thunderstorm WarningRLXLogan, Mingo43 min
Jul 5, 1:28 PM EDTSpecial Weather StatementRLXRaleigh32 min
Jul 5, 1:59 PM EDTSevere Thunderstorm WarningRLXMcDowell61 min
Jul 5, 3:13 PM EDTHeat AdvisoryRLXBoone, Braxton, Cabell, Calhoun, Clay, Doddridge and 18 more29 hr
Jul 4, 11:46 PM EDTSevere Thunderstorm WarningRLXMorgan, Perry44 min
Jul 5, 3:13 PM EDTExcessive Heat WarningRLXAthens, Jackson, Morgan, Perry, Vinton29 hr
Jul 5, 5:37 PM EDTSpecial Weather StatementRLXMorgan23 min
Jul 5, 6:10 PM EDTSpecial Weather StatementRLXJackson50 min
Jul 5, 7:16 PM EDTSpecial Weather StatementRLXJackson44 min
Jul 5, 7:06 PM EDTSpecial Weather StatementRLXBoyd29 min
Jul 5, 1:44 PM EDTSevere Thunderstorm WarningRLXBuchanan, Dickenson61 min
Jul 5, 2:46 PM EDTSevere Thunderstorm WarningRLXBuchanan, Dickenson59 min

Nearby

Special Weather Statements in West Virginia, 2012Every 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.