Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

February 24, 2012Charlotte County, Virginia

NWS Blacksburg, VA issued this special weather statement at Feb 24, 2012, 4:13 PM EST for Charlotte County, Virginia. It was in force for 47 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
Feb 24, 2012, 4:13 PM EST (21:13 UTC)
Expired
Feb 24, 2012, 5:00 PM EST
In force
47 min
Issued by
NWS Blacksburg, VA

County Charlotte County, VA

The radar

The Norfolk radar (KAKQ), 142 km from the middle of the area, began a volume at 21:13 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, 9.2 hours before the alert went out and 84 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 2012-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 387 square meters per square second.1939587897117136Sfc1 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
14 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
387 m²/s²
0-3 km storm-relative helicity
512 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 Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at Feb 24, 4:11 PM EST, 2 minutes earlier.

Area forecast discussion, Feb 24, 4:11 PM EST, 2 minutes before
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Hazardous weather outlook, Feb 24, 10:24 AM EST, 5 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
1024 AM EST FRI FEB 24 2012

NCZ001>003-018-019-VAZ007-009>020-022>024-032>035-WVZ042>044-251530-
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-TAZEWELL-SMYTH-BLAND-GILES-
WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-
BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-
MERCER-SUMMERS-MONROE-
1024 AM EST FRI FEB 24 2012

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...TORNADO WATCH 36 IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY 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.
   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

STRONG WIND GUSTS SATURDAY...ESPECIALLY IN THE HIGHER ELEVATIONS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

WVZ045-251530-
GREENBRIER-
1024 AM EST FRI FEB 24 2012

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...TORNADO WATCH 36 IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY 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.
   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

ACCUMULATING SNOW SATURDAY IN THE MOUNTAINS...MAINLY WEST AND
NORTH OF LEWISBURG.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NCZ004>006-020-VAZ043>047-058-059-251530-
STOKES-ROCKINGHAM-CASWELL-YADKIN-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-
1024 AM EST FRI FEB 24 2012

...TORNADO WATCH 36 IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA AND SOUTH
CENTRAL VIRGINIA.

.DAY ONE...TODAY 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.
   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Feb 24, 2:54 PM EST, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
254 PM EST FRI FEB 24 2012

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

0130 PM     HAIL             5 WSW BIG ISLAND        37.51N 79.45W
02/24/2012  E0.25 INCH       BEDFORD            VA   TRAINED SPOTTER

&&

JVC
Special weather statement, Feb 24, 3:04 PM EST, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
304 PM EST FRI FEB 24 2012

NCZ004>006-VAZ044-242045-
CASWELL NC-PITTSYLVANIA VA-ROCKINGHAM NC-STOKES NC-
304 PM EST FRI FEB 24 2012

...STRONG THUNDERSTORMS WILL AFFECT PORTIONS OF
CASWELL...PITTSYLVANIA...ROCKINGHAM AND STOKES COUNTIES...

AT 301 PM EST...STRONG THUNDERSTORMS WERE ALONG A LINE FROM
STONEVILLE TO 5 MILES SOUTHWEST OF WALNUT COVE...MOVING EAST AT 70
MPH.

WIND GUSTS TO 55 MPH ARE POSSIBLE WITH THESE STORMS...WHICH COULD
BRING DOWN SMALL TREES OR LIMBS DUE TO THE WET GROUND. VERY HEAVY
RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO POND ON
ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THESE STORMS WILL BE NEAR DRAPER...EDEN...INTELLIGENCE...AND BELLEWS
LAKE AROUND 310 PM...CASCADE AROUND 315 PM...WENTWORTH...OREGON
HILL...MAYFIELD...AND BETHANY AROUND 320 PM AND DANVILLE CITY AROUND
325 PM.

THE PUBLIC IS ENCOURAGED TO RELAY REPORTS OF STRONG WINDS...HAIL OR
FLOODING TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
1...8 6 6...2 1 5...4 3 2 4...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3626 8029 3648 8004 3655 7980 3654 7972
      3658 7971 3675 7917 3669 7918 3645 7934
      3627 7977 3624 7994

WP
Special weather statement, Feb 24, 3:10 PM EST, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
310 PM EST FRI FEB 24 2012

VAZ034-035-045>047-242045-
AMHERST VA-APPOMATTOX VA-BEDFORD VA-BUCKINGHAM VA-CAMPBELL VA-
310 PM EST FRI FEB 24 2012

...A STRONG THUNDERSTORM WILL AFFECT AMHERST...APPOMATTOX...
BEDFORD...BUCKINGHAM AND CAMPBELL COUNTIES...

AT 306 PM EST...A STRONG THUNDERSTORM WAS LOCATED OVER HUDDLESTON...
MOVING NORTHEAST AT 55 MPH.

WIND GUSTS TO 50 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.

THIS STORM WILL BE NEAR LYNCHBURG AIRPORT AROUND 315 PM...BOCOCK
AROUND 330 PM AND TOWER HILL AROUND 345 PM.

THE PUBLIC IS ENCOURAGED TO RELAY REPORTS OF STRONG WINDS...HAIL OR
FLOODING TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
1...8 6 6...2 1 5...4 3 2 4...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3754 7842 3713 7942 3720 7955 3743 7932
      3760 7892 3755 7889 3754 7883 3760 7884
      3761 7882 3763 7883 3764 7881 3764 7872
      3770 7870 3768 7865 3771 7866 3775 7858

WP
Special weather statement, Feb 24, 3:45 PM EST, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
345 PM EST FRI FEB 24 2012

NCZ005-006-VAZ044-058-059-242130-
CASWELL NC-CHARLOTTE VA-HALIFAX VA-PITTSYLVANIA VA-ROCKINGHAM NC-
345 PM EST FRI FEB 24 2012

...STRONG THUNDERSTORMS WILL AFFECT PORTIONS OF
CASWELL...CHARLOTTE...HALIFAX...PITTSYLVANIA AND ROCKINGHAM
COUNTIES...

AT 342 PM EST...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 8 MILES
SOUTH OF KEYSVILLE TO SOUTH BOSTON TO 3 MILES SOUTH OF INGRAM TO 11
MILES EAST OF BELEWS CREEK...MOVING EAST AT 55 MPH.

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

THESE STORMS WILL BE NEAR ELMO...LAWSONVILLE...WYLLIESBURG...AND
MONROETON AROUND 350 PM...SCOTTSBURG...PROVIDENCE...BETHEL...AND
BETHEL AROUND 355 PM...REDOAK AND AND QUICK AROUND 400 PM.

THE PUBLIC IS ENCOURAGED TO RELAY REPORTS OF STRONG WINDS...HAIL OR
FLOODING TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
1...8 6 6...2 1 5...4 3 2 4...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3685 7852 3654 7887 3653 7913 3629 7916
      3624 7954 3625 7990 3674 7920 3669 7894
      3707 7849 3708 7844

WP
Local storm report, Feb 24, 3:46 PM EST, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
346 PM EST FRI FEB 24 2012

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

1252 PM     HAIL             5 SE MOUNT AIRY         36.45N 80.55W
02/24/2012  E0.75 INCH       SURRY              NC   PUBLIC

            DIME SIZE HAIL

&&

JVC
Special weather statement, Feb 24, 4:13 PM EST, 0 minutes before
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The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 6:00 AM ESTSpecial Weather StatementRNKSmyth30 min
Feb 24, 6:14 AM ESTSpecial Weather StatementRNKAlleghany, City of Covington31 min
Feb 24, 9:55 AM ESTSpecial Weather StatementRNKBland, Giles35 min
Feb 24, 11:36 AM ESTSevere Thunderstorm WarningRNKBland, Giles, Tazewell32 min
Feb 24, 12:06 PM ESTSevere Thunderstorm WarningRNKAlleghany, Botetourt, City of Covington39 min
Feb 24, 12:33 PM ESTSevere Thunderstorm WarningRNKAlleghany, Amherst, Bedford, Botetourt, Craig, Rockbridge and 1 more42 min
Feb 24, 12:41 PM ESTSevere Thunderstorm WarningRNKPatrick34 min
Feb 24, 12:57 PM ESTSevere Thunderstorm WarningRNKAmherst, Bedford, Botetourt, Floyd, Franklin, Montgomery and 3 more63 min
Feb 24, 1:42 PM ESTSevere Thunderstorm WarningRNKBedford, Campbell, Franklin20 min
Feb 24, 1:46 PM ESTSevere Thunderstorm WarningRNKFloyd, Franklin44 min
Feb 24, 1:53 PM ESTSevere Thunderstorm WarningRNKAmherst, Appomattox, Bedford, Buckingham, Campbell, City of Lynchburg57 min
Feb 24, 2:12 PM ESTSpecial Weather StatementRNKAmherst33 min
Feb 24, 2:18 PM ESTSevere Thunderstorm WarningRNKBedford, Campbell, Franklin, Pittsylvania42 min
Feb 24, 2:42 PM ESTSpecial Weather StatementRNKHenry, City of Martinsville48 min
Feb 24, 2:47 PM ESTSevere Thunderstorm WarningRNKFranklin, Henry, Pittsylvania, City of Martinsville19 min
Feb 24, 3:04 PM ESTSpecial Weather StatementRNKCity of Danville41 min
Feb 24, 3:10 PM ESTSpecial Weather StatementRNKBuckingham, City of Lynchburg35 min
Feb 24, 3:45 PM ESTSpecial Weather StatementRNKCity of Danville45 min
Feb 24, 4:29 PM ESTSpecial Weather StatementRNKHalifax16 min
Feb 24, 2:30 PM ESTSpecial Weather StatementRNKStokes, Yadkin45 min
Feb 24, 3:44 PM ESTFire Weather WatchRNKAlleghany, Ashe, Caswell, Rockingham, Stokes, Surry and 3 more14 hr
Feb 24, 3:49 PM ESTSevere Thunderstorm WarningRNKCaswell, Rockingham56 min
Feb 24, 4:07 PM ESTTornado WarningRNKCaswell13 min

Nearby

Special 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.