Alert archive / Virginia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 120, NWS Blacksburg, VA

June 21, 2014Charlotte County, Halifax County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 21, 2014, 7:32 PM EDT for Charlotte County, Halifax County, Virginia. It was in force for 58 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: Jun 21, 2014, 7:32 PM EDT (23:32 UTC)
Expired: Jun 21, 2014, 8:30 PM EDT
In force: 58 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Charlotte County, VA, Halifax County, VA

The radar

The Roanoke radar (KFCX), 132 km from the middle of the area, began a volume at 23:34 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, 11.5 hours before the alert went out and 71 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 15 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 661 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Blacksburg, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 7:21 PM EDT, 11 minutes earlier.

Area forecast discussion, Jun 21, 7:21 PM EDT, 11 minutes before

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Hazardous weather outlook, Jun 21, 4:31 AM EDT, 15 hours 1 minute before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
431 AM EDT SAT JUN 21 2014

NCZ005-006-VAZ044>047-058-059-221000-
ROCKINGHAM-CASWELL-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
431 AM EDT SAT JUN 21 2014

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON AND EVENING. A FEW OF THESE STORMS COULD BE SEVERE
...WITH THE PRIMARY THREAT BEING DAMAGING WINDS. IN ADDITIONAL
HEAVY RAINFALL IS LIKELY WITH ANY OF THE STRONGER STORMS.

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

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ001>004-018>020-VAZ007-009>020-022>024-032>035-043-WVZ042>045-
221000-
ASHE-ALLEGHANY NC-SURRY-STOKES-WATAUGA-WILKES-YADKIN-TAZEWELL-SMYTH-
BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-
ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-MERCER-SUMMERS-MONROE-GREENBRIER-
431 AM EDT SAT JUN 21 2014

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.

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.

In the hours before

Special weather statement, Jun 21, 4:21 PM EDT, 3 hours 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
421 PM EDT SAT JUN 21 2014

VAZ047-212115-
BUCKINGHAM VA-
421 PM EDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  CENTRAL BUCKINGHAM COUNTY IN CENTRAL VIRGINIA...

* UNTIL 515 PM EDT

* AT 417 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING STRONG THUNDERSTORMS APPROACHING THE NORTHERN HALF OF
  BUCKINGHAM COUNTY FROM THE NORTHWEST. THESE STORMS ARE MOVING INTO
  AN AREA OF GREATER INSTABILITY...AND MAY BECOME SEVERE LATER THIS
  AFTERNOON. LARGE HAIL...STRONG WINDS AND HEAVY RAIN WILL ALL BE
  POSSIBLE.

* LOCATIONS IMPACTED INCLUDE...
  DILLWYN...
  CENTENARY...
  GOLD HILL...
  BUCKINGHAM...
  AND NEW CANTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE TO MONITOR LOCAL RADIO AND TELEVISION FOR ADDITIONAL
INFORMATION...AND POSSIBLE WARNINGS...FROM THE NATIONAL WEATHER
SERVICE.

&&

LAT...LON 3764 7825 3741 7841 3767 7872 3768 7869
      3770 7869 3768 7866 3769 7864 3772 7865
      3776 7861 3776 7850 3780 7849 3775 7845
      3769 7824
TIME...MOT...LOC 2014Z 317DEG 17KT 3781 7868

16

Special weather statement, Jun 21, 5:52 PM EDT, 1 hour 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
552 PM EDT SAT JUN 21 2014

VAZ033-034-043>045-058-212245-
FRANKLIN VA-BEDFORD VA-HENRY VA-HALIFAX VA-CAMPBELL VA-
PITTSYLVANIA VA-
552 PM EDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  SOUTHEASTERN FRANKLIN COUNTY IN WEST CENTRAL VIRGINIA...
  SOUTHEASTERN BEDFORD COUNTY IN SOUTH CENTRAL VIRGINIA...
  NORTHEASTERN HENRY COUNTY IN SOUTH CENTRAL VIRGINIA...
  NORTHWESTERN HALIFAX COUNTY IN SOUTH CENTRAL VIRGINIA...
  SOUTHWESTERN CAMPBELL COUNTY IN CENTRAL VIRGINIA...
  PITTSYLVANIA COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 645 PM EDT

* AT 551 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES
  SOUTHWEST OF GOODE TO NEAR PENHOOK TO NEAR ROCKY MOUNT...MOVING TO
  THE SOUTHEAST AT 25 MPH.

* PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE
  STORMS.

* LOCATIONS IMPACTED INCLUDE...
  BLAIRS...
  EVINGTON...
  HUDDLESTON...
  SYDNORSVILLE...
  AND ROCKY MOUNT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF ON OR NEAR SMITH MOUNTAIN LAKE...GET OUT OF THE WATER AND MOVE
INSIDE A STURDY SHELTER NOW. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3699 7896 3663 7922 3658 7965 3706 7998
      3711 7963 3742 7937
TIME...MOT...LOC 2149Z 324DEG 22KT 3729 7943 3706 7959 3703 7985

JH

Special weather statement, Jun 21, 6:31 PM EDT, 1 hour 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
631 PM EDT SAT JUN 21 2014

VAZ047-212300-
BUCKINGHAM VA-
631 PM EDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  SOUTH CENTRAL BUCKINGHAM COUNTY IN CENTRAL VIRGINIA...

* UNTIL 700 PM EDT

* AT 631 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR SHEPPARDS...MOVING TO THE SOUTHEAST AT
  15 MPH.

* NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS
  STORM.

* LOCATIONS IMPACTED INCLUDE...
  AND SHEPPARDS.

LAT...LON 3734 7847 3733 7851 3735 7854 3735 7855
      3737 7856 3736 7858 3740 7859 3739 7861
      3740 7862 3744 7847
TIME...MOT...LOC 2229Z 328DEG 13KT 3738 7851

16

Special weather statement, Jun 21, 7:03 PM EDT, 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
703 PM EDT SAT JUN 21 2014

VAZ059-212345-
CHARLOTTE VA-
703 PM EDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  EASTERN CHARLOTTE COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 745 PM EDT

* AT 703 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR CHARLOTTE COURT HOUSE...MOVING TO THE
  SOUTH AT 30 MPH.

* PENNY SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
  STORM.

* LOCATIONS IMPACTED INCLUDE...
  KEYSVILLE...
  CHARLOTTE COURT HOUSE...
  REDOAK...
  WYLLIESBURG...
  AND ABILENE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM WILL LIKELY INTENSIFY...SO MONITOR LOCAL RADIO AND
TELEVISION FOR ADDITIONAL INFORMATION...AND POSSIBLE WARNINGS...FROM
THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3689 7849 3673 7862 3674 7865 3715 7873
      3716 7862 3714 7859 3715 7855 3712 7851
      3708 7848 3702 7846
TIME...MOT...LOC 2258Z 347DEG 27KT 3709 7861

16

Special weather statement, Jun 21, 7:05 PM EDT, 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
705 PM EDT SAT JUN 21 2014

VAZ045-058-059-212345-
HALIFAX VA-CAMPBELL VA-CHARLOTTE VA-
705 PM EDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHERN HALIFAX COUNTY IN SOUTH CENTRAL VIRGINIA...
  SOUTHEASTERN CAMPBELL COUNTY IN CENTRAL VIRGINIA...
  WESTERN CHARLOTTE COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 745 PM EDT

* AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR MIKE TO NEAR
  NATHALIE...MOVING TO THE SOUTH AT 30 MPH.

* DIME SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE
  STORMS.

* LOCATIONS IMPACTED INCLUDE...
  HALIFAX...
  NATHALIE...
  BROOKNEAL...
  PHENIX...
  AND CLOVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS MAY INTENSIFY...SO MONITOR LOCAL RADIO AND TELEVISION
FOR ADDITIONAL INFORMATION...AND POSSIBLE WARNINGS...FROM THE
NATIONAL WEATHER SERVICE.

&&

LAT...LON 3669 7902 3696 7908 3727 7895 3725 7892
      3724 7892 3724 7891 3714 7873 3681 7866
TIME...MOT...LOC 2302Z 341DEG 26KT 3720 7886 3694 7901

16

Local storm report, Jun 21, 7:32 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 9:01 PM EDT	Special Weather Statement	RNK	Buckingham	59 min
Jun 20, 9:04 PM EDT	Special Weather Statement	RNK	Halifax	26 min
Jun 21, 4:21 PM EDT	Special Weather Statement	RNK	Buckingham	54 min
Jun 21, 5:18 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Buckingham	72 min
Jun 21, 5:26 PM EDT	Tornado Warning	RNK	Buckingham	34 min
Jun 21, 5:52 PM EDT	Special Weather Statement	RNK	Franklin, Pittsylvania	53 min
Jun 21, 5:57 PM EDT	Tornado Warning	RNK	Appomattox, Buckingham	33 min
Jun 21, 6:31 PM EDT	Special Weather Statement	RNK	Prince Edward	29 min
Jun 21, 7:03 PM EDT	Special Weather Statement	RNK	Charlotte	42 min
Jun 21, 7:05 PM EDT	Special Weather Statement	RNK	Halifax	40 min
Jun 21, 7:09 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte	66 min
Jun 21, 7:59 PM EDT	Special Weather Statement	RNK	Halifax	61 min
Jun 21, 3:03 PM EDT	Special Weather Statement	RNK	Yadkin	27 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2014 Every severe thunderstorm warning in 2014

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.