Alert archive / West Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

February 29, 201210 counties in West Virginia; Buchanan County, Dickenson County, Virginia

NWS Charleston, WV issued this special weather statement at Feb 29, 2012, 6:01 PM EST for 10 counties in West Virginia; Buchanan County, Dickenson County, Virginia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 29, 2012, 6:01 PM EST (23:01 UTC)
Expired
Feb 29, 2012, 9:00 PM EST
In force
3 hr
Issued by
NWS Charleston, WV

Counties Buchanan County, VA, Dickenson County, VA, Boone County, WV, Fayette County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Nicholas County, WV, Pocahontas County, WV, Raleigh County, WV, Webster County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 72 km from the middle of the area, began a volume at 23:03 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

Roanoke, VA (KRNK), launched 12:00Z, 11.0 hours before the alert went out and 165 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 2012-02-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
338 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 Feb 29, 3:27 PM EST, 2 hours 34 minutes earlier.

Area forecast discussion, Feb 29, 3:27 PM EST, 2 hours 34 minutes before
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Hazardous weather outlook, Feb 29, 3:39 PM EST, 2 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
339 PM EST WED FEB 29 2012

OHZ066-067-VAZ003-004-012045-
PERRY-MORGAN-DICKENSON-BUCHANAN-
339 PM EST WED FEB 29 2012

...TORNADO WATCH 49 IN EFFECT UNTIL 9 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OHIO AND SOUTHWEST
VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   TORNADO WATCH.

REPETITIVE BATCHES OF SHOWERS AND THUNDERSTORMS COULD BE POSSIBLE
TODAY INTO THIS EVENING.

THE GROUND IS STILL WETTER THAN NORMAL IN MANY COUNTIES...ESPECIALLY
IN WEST VIRGINIA. RAIN AMOUNTS OF OVER 1.5 INCHES WOULD BE NEEDED
TO RAISE FLOOD CONCERNS. IF THAT THREAT INCREASES...FLOOD WATCHES
MAY BE POSTED FOR THE MOST VULNERABLE COUNTIES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

KYZ101>103-105-OHZ075-076-083>087-WVZ005>011-013>020-024>040-046-047-
012045-
GREENUP-CARTER-BOYD-LAWRENCE-ATHENS-WASHINGTON-JACKSON-VINTON-MEIGS-
GALLIA-WAYNE-CABELL-MASON-WOOD-PLEASANTS-TYLER-LINCOLN-PUTNAM-
KANAWHA-ROANE-WIRT-CALHOUN-RITCHIE-DODDRIDGE-MINGO-LOGAN-BOONE-CLAY-
BRAXTON-GILMER-LEWIS-HARRISON-TAYLOR-MCDOWELL-WYOMING-RALEIGH-
FAYETTE-NICHOLAS-WEBSTER-UPSHUR-BARBOUR-POCAHONTAS-RANDOLPH-
339 PM EST WED FEB 29 2012

...FLASH FLOOD WATCH IN EFFECT UNTIL 10 PM EST THIS EVENING...
...TORNADO WATCH 49 IN EFFECT UNTIL 9 PM EST THIS EVENING...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   TORNADO WATCH.
   FLASH FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Local storm report, Feb 29, 5:20 PM EST, 41 minutes before
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Local storm report, Feb 29, 5:27 PM EST, 34 minutes before
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Local storm report, Feb 29, 5:39 PM EST, 22 minutes before
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Local storm report, Feb 29, 5:54 PM EST, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WV
554 PM EST WED FEB 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0500 PM     FLASH FLOOD      VARNEY                  37.67N  82.12W
02/29/2012                   MINGO              WV   911 CALL CENTER

            APPROXIMATELY A FOOT OF WATER COVERING ROUTE 52 NEAR
            VARNEY WEST VIRGINIA

&&

EVENT NUMBER RLX1200127

TRM
Local storm report, Feb 29, 5:55 PM EST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WV
555 PM EST WED FEB 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 PM     TSTM WND DMG     WILLIAMSON              37.67N  82.27W
02/29/2012                   MINGO              WV   911 CALL CENTER

            TREES DOWN AT SEVERAL LOCATIONS ALONG ROUTE 49 IN MINGO
            COUNTY

&&

EVENT NUMBER RLX1200128

TRM
Special weather statement, Feb 29, 6:01 PM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
601 PM EST WED FEB 29 2012

VAZ003-004-WVZ005-013-015-024>028-033>038-046-047-010200-
BOONE WV-BRAXTON WV-BUCHANAN VA-CLAY WV-DICKENSON VA-FAYETTE WV-
KANAWHA WV-LINCOLN WV-LOGAN WV-MCDOWELL WV-MINGO WV-NICHOLAS WV-
POCAHONTAS WV-RALEIGH WV-RANDOLPH WV-WAYNE WV-WEBSTER WV-WYOMING WV-
601 PM EST WED FEB 29 2012

...SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WILL AFFECT
BOONE...BUCHANAN...DICKENSON...FAYETTE...LOGAN...MCDOWELL...MINGO...N
ICHOLAS...POCAHONTAS...RALEIGH...SOUTH CENTRAL
BRAXTON...SOUTHEASTERN WAYNE...SOUTHERN CLAY...SOUTHERN
KANAWHA...SOUTHERN LINCOLN...SOUTHERN RANDOLPH...WEBSTER AND WYOMING
COUNTIES...

AT 553 PM EST...SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAIN
WAS MOVING THROUGH THE AREA. RAINFALL AMOUNTS OF UP TO ONE INCH CAN
BE EXPECTED...AS THE SHOWERS AND THUNDERSTORMS MOVE THROUGH OVER THE
NEXT FEW HOURS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON
SMALL CREEKS AND STREAMS...AND PONDING OF WATER ON COUNTRY ROADS AND
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

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

LAT...LON 3703 8248 3720 8256 3753 8199 3768 8231
      3799 8248 3873 8015 3874 7955 3806 7997
      3804 8027 3826 8043 3808 8070 3810 8087
      3809 8088 3806 8080 3786 8075 3782 8092
      3769 8087 3757 8119 3727 8142 3695 8236

30

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 29, 10:26 AM ESTSpecial Weather StatementRLXCabell, Jackson, Lincoln, Mason, Putnam, Wayne and 1 more34 min
Feb 29, 11:19 AM ESTSpecial Weather StatementRLXBraxton, Clay, Kanawha, Nicholas, Roane41 min
Feb 29, 11:25 AM ESTSpecial Weather StatementRLXBarbour, Doddridge, Harrison, Lewis, Ritchie, Taylor50 min
Feb 29, 12:19 PM ESTSpecial Weather StatementRLXPleasants, Wirt, Wood71 min
Feb 29, 12:59 PM ESTFlash Flood WatchRLXBarbour, Boone, Braxton, Cabell, Calhoun, Clay and 22 more9 hr
Feb 29, 1:11 PM ESTSpecial Weather StatementRLXWayne34 min
Feb 29, 1:26 PM ESTFlash Flood WarningRLXBarbour, Braxton, Calhoun, Doddridge, Gilmer, Harrison and 5 more57 days
Feb 29, 1:54 PM ESTTornado WarningRLXWayne36 min
Feb 29, 2:10 PM ESTSevere Thunderstorm WarningRLXCalhoun, Gilmer, Jackson, Mason, Ritchie, Wirt and 1 more45 min
Feb 29, 2:30 PM ESTSevere Thunderstorm WarningRLXBoone, Lincoln, Logan, Mingo, Wayne60 min
Feb 29, 3:25 PM ESTFlash Flood WarningRLXBarbour, Calhoun, Doddridge, Harrison, Jackson, Mason and 7 more6 hr
Feb 29, 3:29 PM ESTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Nicholas46 min
Feb 29, 3:35 PM ESTSevere Thunderstorm WarningRLXBoone, Logan, McDowell, Mingo, Raleigh, Wyoming55 min
Feb 29, 4:17 PM ESTSpecial Weather StatementRLXPocahontas58 min
Feb 29, 2:43 PM ESTSpecial Weather StatementRLXMeigs62 min

Nearby

Special Weather Statements in West Virginia, 2012Special Weather Statements in 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.