Alert archive / West Virginia / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 83, NWS Charleston, WV

July 17, 20105 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 17, 2010, 6:01 PM EDT for 5 counties in West Virginia. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 17, 2010, 6:01 PM EDT (22:01 UTC)
Expired
Jul 17, 2010, 6:46 PM EDT
In force
45 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Boone County, WV, Lincoln County, WV, Logan County, WV, Mingo County, WV, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 47 km from the middle of the area, began a volume at 22:03 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.0 hours before the alert went out and 221 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, Cncnati-Daytn, OH at 12:00Z on 2010-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2000 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, Cncnati-Daytn, OH at 12:00Z on 2010-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.19395878Sfc1 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
2000 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
949 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 17, 4:56 PM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, Jul 17, 4:56 PM EDT, 1 hour 5 minutes before
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Hazardous weather outlook, Jul 17, 4:18 PM EDT, 1 hour 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
418 PM EDT SAT JUL 17 2010

KYZ105-VAZ003-004-WVZ005-013>016-018-020-024>040-046-047-182030-
LAWRENCE KY-DICKENSON-BUCHANAN-WAYNE-LINCOLN-PUTNAM-KANAWHA-ROANE-
CALHOUN-DODDRIDGE-MINGO-LOGAN-BOONE-CLAY-BRAXTON-GILMER-LEWIS-
HARRISON-TAYLOR-MCDOWELL-WYOMING-RALEIGH-FAYETTE-NICHOLAS-WEBSTER-
UPSHUR-BARBOUR-POCAHONTAS-RANDOLPH-
418 PM EDT SAT JUL 17 2010

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

KYZ101>103-OHZ066-067-075-076-083>087-WVZ006>011-017-019-182030-
GREENUP-CARTER-BOYD-PERRY-MORGAN-ATHENS-WASHINGTON-JACKSON OH-VINTON-
MEIGS-GALLIA-LAWRENCE OH-CABELL-MASON-JACKSON WV-WOOD-PLEASANTS-
TYLER-WIRT-RITCHIE-
418 PM EDT SAT JUL 17 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST
KENTUCKY...SOUTHEAST OHIO...CENTRAL WEST VIRGINIA...NORTHERN WEST
VIRGINIA AND WESTERN WEST VIRGINIA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS SUNDAY. THE MAIN
THREAT IS FOR LOCALLY DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 17, 4:21 PM EDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
421 PM EDT SAT JUL 17 2010

KYZ102-103-105-OHZ087-WVZ005-172045-
BOYD KY-CARTER KY-LAWRENCE OH-LAWRENCE KY-WAYNE WV-
421 PM EDT SAT JUL 17 2010

...A STRONG THUNDERSTORM WILL AFFECT BOYD...EAST CENTRAL CARTER...
NORTH CENTRAL LAWRENCE...NORTHWESTERN WAYNE AND SOUTH CENTRAL
LAWRENCE COUNTIES...

AT 417 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES SOUTH OF
CANNONSBURG...MOVING EAST AT 20 MPH.

WIND GUSTS TO 50 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM. VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.

THIS STORM WILL BE NEAR MAVITY AROUND 425 PM...DURBIN AROUND 435
PM...LOCKWOOD AROUND 440 PM AND CENTERVILLE AROUND 445 PM.

THIS WILL IMPACT THE FOLLOWING INTERSTATES

I-64 BETWEEN MILE MARKERS 180 AND 191 IN KENTUCKY...AND BETWEEN MILE
MARKERS 1 AND 6 IN WEST VIRGINIA.

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

LAT...LON 3835 8285 3846 8243 3843 8242 3840 8249
      3834 8239 3825 8236 3818 8279

09
Special weather statement, Jul 17, 5:30 PM EDT, 31 minutes before
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Special weather statement, Jul 17, 5:35 PM EDT, 26 minutes before
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Special weather statement, Jul 17, 5:56 PM EDT, 5 minutes before
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Special weather statement, Jul 17, 5:58 PM EDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 10:51 PM EDTSpecial Weather StatementRLXPleasants, Tyler54 min
Jul 17, 6:14 AM EDTSpecial Weather StatementRLXCabell, Wayne46 min
Jul 17, 6:29 AM EDTSevere Thunderstorm WarningRLXCabell, Lincoln, Putnam, Wayne46 min
Jul 17, 7:15 AM EDTSpecial Weather StatementRLXBoone, Kanawha, Lincoln, Logan, Mason, Putnam60 min
Jul 17, 7:50 AM EDTSevere Thunderstorm WarningRLXBoone, Clay, Fayette, Jackson, Kanawha, Lincoln and 3 more40 min
Jul 17, 8:31 AM EDTSpecial Weather StatementRLXBraxton, Clay, Fayette, Nicholas, Raleigh, Roane and 2 more59 min
Jul 17, 8:41 AM EDTSevere Thunderstorm WarningRLXFayette, Nicholas34 min
Jul 17, 9:25 AM EDTSpecial Weather StatementRLXPocahontas, Webster65 min
Jul 17, 10:58 AM EDTSpecial Weather StatementRLXBarbour32 min
Jul 17, 5:35 PM EDTSpecial Weather StatementRLXWayne25 min
Jul 17, 5:56 PM EDTSpecial Weather StatementRLXLincoln34 min
Jul 17, 6:32 PM EDTSpecial Weather StatementRLXLincoln28 min
Jul 17, 6:59 PM EDTSpecial Weather StatementRLXLincoln, Wayne31 min
Jul 17, 5:22 AM EDTSpecial Weather StatementRLXCarter, Greenup53 min
Jul 17, 4:21 PM EDTSpecial Weather StatementRLXBoyd24 min
Jul 17, 5:30 PM EDTSpecial Weather StatementRLXGreenup30 min
Jul 17, 5:58 PM EDTSpecial Weather StatementRLXGreenup32 min
Jul 17, 6:24 PM EDTSpecial Weather StatementRLXBoyd36 min
Jul 17, 7:02 PM EDTSpecial Weather StatementRLXGreenup28 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2010Every severe thunderstorm warning in 2010

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.