Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

October 19, 2012Buckingham County, Virginia

NWS Blacksburg, VA issued this special weather statement at Oct 19, 2012, 1:42 AM EDT for Buckingham County, Virginia. It was in force for 48 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
Oct 19, 2012, 1:42 AM EDT (05:42 UTC)
Expired
Oct 19, 2012, 2:30 AM EDT
In force
48 min
Issued by
NWS Blacksburg, VA

County Buckingham County, VA

The radar

The Norfolk radar (KAKQ), 143 km from the middle of the area, began a volume at 05:44 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 00:00Z, 5.7 hours before the alert went out and 89 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 00:00Z on 2012-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 322 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 00:00Z on 2012-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 307 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
322 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
307 m²/s²
0-3 km storm-relative helicity
353 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.2

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 Oct 19, 12:12 AM EDT, 1 hour 30 minutes earlier.

Area forecast discussion, Oct 19, 12:12 AM EDT, 1 hour 30 minutes before
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Hazardous weather outlook, Oct 19, 12:23 AM EDT, 1 hour 19 minutes before
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In the hours before

Special weather statement, Oct 18, 9:10 PM EDT, 4 hours 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
910 PM EDT THU OCT 18 2012

VAZ033-190215-
FRANKLIN VA-
910 PM EDT THU OCT 18 2012

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  FRANKLIN COUNTY IN WEST CENTRAL VIRGINIA...

* UNTIL 1015 PM EDT

* AT 908 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING A STRONG THUNDERSTORM NEAR ENDICOTT...OR 5 MILES WEST OF
  FERRUM...MOVING NORTHEAST AT 50 MPH.

* DIME SIZE HAIL AND WIND GUSTS UP TO 30 MPH WILL BE POSSIBLE WITH
  THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  ROCKY MOUNT...                   FERRUM...
  BOONES MILL...                   BURNT CHIMNEY...
  ENDICOTT...                      CALLAWAY...
  WIRTZ...

LAT...LON 3682 8007 3685 8007 3687 8021 3715 8000
      3714 7996 3721 7988 3722 7980 3723 7978
      3721 7978 3719 7972 3715 7971 3716 7968
      3713 7965 3709 7963 3682 7995 3682 8000
      3678 8002
TIME...MOT...LOC 0108Z 218DEG 44KT 3689 8012

RAB
Special weather statement, Oct 18, 9:51 PM EDT, 3 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
951 PM EDT THU OCT 18 2012

NCZ005-006-VAZ044-190245-
CASWELL NC-ROCKINGHAM NC-PITTSYLVANIA VA-
951 PM EDT THU OCT 18 2012

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHWESTERN CASWELL COUNTY IN NORTH CENTRAL NORTH CAROLINA...
  NORTHEASTERN ROCKINGHAM COUNTY IN NORTH CENTRAL NORTH CAROLINA...
  SOUTHWESTERN PITTSYLVANIA COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 1045 PM EDT

* AT 947 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING A STRONG THUNDERSTORM NEAR HARRISONS CROSSROADS...OR 3
  MILES NORTHEAST OF WENTWORTH...MOVING NORTHEAST AT 40 MPH.

* DIME SIZE HAIL AND WIND GUSTS UP TO 30 MPH ARE EXPECTED WITH
  THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  PROVIDENCE...                    MAYFIELD...
  DANVILLE CITY...                 EDEN...
  REIDSVILLE...                    GATEWOOD...
  PELHAM...                        WESTOVER HILLS...
  DRAPER...                        LAWSONVILLE...
  OREGON HILL...                   RUFFIN...
  HARRISONS CROSSROADS...          BETHEL...

LAT...LON 3633 7967 3649 7981 3668 7945 3651 7931
TIME...MOT...LOC 0147Z 238DEG 35KT 3643 7971

RAB
Special weather statement, Oct 18, 10:00 PM EDT, 3 hours 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1000 PM EDT THU OCT 18 2012

VAZ023-024-034-190245-
BOTETOURT VA-BEDFORD VA-ROCKBRIDGE VA-
1000 PM EDT THU OCT 18 2012

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  EAST CENTRAL BOTETOURT COUNTY IN WEST CENTRAL VIRGINIA...
  EXTREME NORTHWESTERN BEDFORD COUNTY IN SOUTH CENTRAL VIRGINIA...
  ROCKBRIDGE COUNTY IN WEST CENTRAL VIRGINIA...

* UNTIL 1045 PM EDT

* AT 956 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING A STRONG THUNDERSTORM NEAR THAXTON...OR 3 MILES EAST OF
  MONTVALE...MOVING NORTHEAST AT 55 MPH.

* PEA SIZE HAIL AND WIND GUSTS UP TO 30 MPH ARE EXPECTED WITH THIS
  STORM.

* LOCATIONS IMPACTED INCLUDE...
  ROCKBRIDGE BATHS...              BUENA VISTA CITY...
  MONTVALE...                      GLASGOW...
  VESUVIUS...                      FAIRFIELD...
  CORNWALL...                      THAXTON...
  ARCADIA...                       NATURAL BRIDGE...
  SNOWDEN...                       BROWNSBURG...

LAT...LON 3792 7919 3789 7916 3787 7915 3779 7921
      3781 7923 3779 7927 3766 7934 3761 7944
      3760 7943 3761 7940 3759 7938 3731 7961
      3738 7976 3802 7938
TIME...MOT...LOC 0156Z 209DEG 50KT 3738 7966

RAB
Special weather statement, Oct 18, 10:34 PM EDT, 3 hours 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1034 PM EDT THU OCT 18 2012

NCZ006-VAZ044-058-190330-
CASWELL NC-HALIFAX VA-PITTSYLVANIA VA-
1034 PM EDT THU OCT 18 2012

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  EXTREME NORTH CENTRAL CASWELL COUNTY IN NORTH CENTRAL
  NORTH CAROLINA...
  NORTHWESTERN HALIFAX COUNTY IN SOUTH CENTRAL VIRGINIA...
  SOUTHEASTERN PITTSYLVANIA COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 1130 PM EDT

* AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING A STRONG THUNDERSTORM NEAR BLAIRS...MOVING NORTHEAST AT
  30 MPH.

* DIME SIZE HAIL AND WIND GUSTS UP TO 35 MPH ARE POSSIBLE WITH
  THIS STORM. IN ADDITION...FREQUENT LIGHTNING CAN ALSO BE EXPECTED

* LOCATIONS IMPACTED INCLUDE...
  BLAIRS...                        DANVILLE CITY...
  INGRAM...                        NATHALIE...
  MT AIRY...                       GATEWOOD...
  RINGGOLD...                      WESTOVER HILLS...
  DANVILLE AIRPORT...              RIDGEWAY...
  LEDA...                          DRY FORK...
  JAVA...                          KEELING...
  STRAIGHTSTONE...                 CODY...
  CHALK LEVEL...                   ELMO...

LAT...LON 3648 7933 3661 7952 3707 7918 3709 7912
      3706 7910 3703 7900 3705 7896 3702 7890
      3700 7889 3698 7890 3699 7882 3696 7880
      3699 7876
TIME...MOT...LOC 0230Z 225DEG 28KT 3664 7936

RAB
Special weather statement, Oct 18, 11:12 PM EDT, 2 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1112 PM EDT THU OCT 18 2012

VAZ045-058-059-190415-
CAMPBELL VA-CHARLOTTE VA-HALIFAX VA-
1112 PM EDT THU OCT 18 2012

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

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

* UNTIL 1215 AM EDT

* AT 1109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A STRONG THUNDERSTORM NEAR LEDA...OR 5 MILES SOUTHWEST OF NATHALIE...
  MOVING NORTHEAST AT 30 MPH.

* PENNY SIZE HAIL...WIND GUSTS UP TO 40 MPH...AND FREQUENT CLOUD-TO-GROUND
  LIGHTNING ARE EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  NATHALIE...                      BROOKNEAL...
  CHARLOTTE COURT HOUSE...         PHENIX...
  RED HOUSE...                     CODY...
  ABILENE...                       CULLEN...
  MADISONVILLE...                  WREN...
  ASPEN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT STAY IN THE OPEN OR SHELTER UNDER TREES WHEN LIGHTNING
THREATENS. SEEK SHELTER INSIDE A STURDY BUILDING OR IN A VEHICLE.

&&

LAT...LON 3679 7902 3697 7912 3699 7911 3722 7875
      3722 7873 3725 7869 3720 7868 3719 7864
      3716 7862 3714 7859 3715 7855 3709 7848
      3708 7845
TIME...MOT...LOC 0309Z 232DEG 27KT 3689 7904

RAB
Special weather statement, Oct 19, 1:42 AM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 8:28 PM EDTSpecial Weather StatementRNKBath47 min
Oct 18, 9:06 PM EDTSpecial Weather StatementRNKPatrick39 min
Oct 18, 9:10 PM EDTSpecial Weather StatementRNKFranklin65 min
Oct 18, 9:51 PM EDTSpecial Weather StatementRNKCity of Danville54 min
Oct 18, 10:00 PM EDTSpecial Weather StatementRNKRockbridge, City of Buena Vista, City of Lexington45 min
Oct 18, 10:34 PM EDTSpecial Weather StatementRNKCity of Danville56 min
Oct 18, 11:12 PM EDTSpecial Weather StatementRNKCharlotte63 min
Oct 18, 11:18 PM EDTSevere Thunderstorm WarningRNKCampbell, Charlotte, Halifax42 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.