Alert archive / Virginia / Special Weather Statements in 2013

Special Weather Statement, NWS Blacksburg, VA

August 31, 2013Craig County, Virginia; Monroe County, West Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 31, 2013, 1:13 PM EDT for Craig County, Virginia; Monroe County, West Virginia. It was in force for 62 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
Aug 31, 2013, 1:13 PM EDT (17:13 UTC)
Expired
Aug 31, 2013, 2:15 PM EDT
In force
62 min
Issued by
NWS Blacksburg, VA

Counties Craig County, VA, Monroe County, WV

The radar

The Roanoke radar (KFCX), 57 km from the middle of the area, began a volume at 17:13 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, 5.2 hours before the alert went out and 92 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 2013-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 856 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 2013-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 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
856 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
466 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
72 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 Aug 31, 11:57 AM EDT, 1 hour 16 minutes earlier.

Area forecast discussion, Aug 31, 11:57 AM EDT, 1 hour 16 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 31, 3:44 AM EDT, 9 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
344 AM EDT SAT AUG 31 2013

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>045-010745-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-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-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE-
GREENBRIER-
344 AM EDT SAT AUG 31 2013

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.

EXPECT SCATTERED THUNDERSTORMS LATE THIS MORNING THROUGH TONIGHT
TO BRING AT TIMES...HEAVY RAIN...FREQUENT CLOUD TO GROUND
LIGHTNING...AND POSSIBLY GUSTY TO DAMAGING WINDS. LOCALIZED
FLOODING IS NOT OUT OF THE QUESTION ESPECIALLY IN THE MOUNTAINS
AND URBAN AREAS AS THESE STORMS WILL NOT BE MOVING TOO FAST.

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

SCATTERED THUNDERSTORMS WILL DEVELOP EACH AFTERNOON AND EVENING
SUNDAY AND MONDAY. A FEW STORMS BOTH DAYS MAY BECOME STRONG TO
SEVERE...AND CAPABLE OF PRODUCING DAMAGING WINDS. IN
ADDITION...THESE STORMS WILL LIKELY BE SLOW MOVING...AND CAPABLE
OF PRODUCING LOCALLY HEAVY RAIN WHICH MAY LEAD TO FLASH FLOODING.

FOR TUESDAY THROUGH FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Aug 31, 1:11 PM EDT, 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
111 PM EDT SAT AUG 31 2013

VAZ007-009-010-012-WVZ042-311815-
SMYTH VA-BLAND VA-TAZEWELL VA-WYTHE VA-MERCER WV-
111 PM EDT SAT AUG 31 2013

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHERN SMYTH COUNTY IN SOUTHWEST VIRGINIA...
  SOUTHWESTERN BLAND COUNTY IN SOUTHWEST VIRGINIA...
  TAZEWELL COUNTY IN SOUTHWEST VIRGINIA...
  NORTHWESTERN WYTHE COUNTY IN SOUTHWEST VIRGINIA...
  SOUTHWESTERN MERCER COUNTY IN SOUTHEAST WEST VIRGINIA...

* UNTIL 215 PM EDT

* AT 108 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR RICHLANDS...MOVING TO THE EAST AT 20
  MPH.

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

* LOCATIONS IMPACTED INCLUDE...
  BURKES GARDEN...
  TAZEWELL...
  RICHLANDS...
  SALTVILLE...
  AND RURAL RETREAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PROLONGED HEAVY RAINFALL MAY CAUSE WATER TO FLOW OVER THE ROADWAY. DO
NOT DRIVE YOUR VEHICLE WHERE THE ROAD HAS BECOME FLOODED.

&&

LAT...LON 3720 8176 3724 8174 3720 8168 3721 8155
      3726 8150 3727 8142 3735 8135 3736 8130
      3689 8118 3683 8174 3693 8183 3695 8182
      3696 8178 3705 8182 3712 8189 3715 8190
TIME...MOT...LOC 1708Z 271DEG 16KT 3710 8182

KK
Special weather statement, Aug 31, 1:13 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
113 PM EDT SAT AUG 31 2013

VAZ018-019-WVZ044-311815-
CRAIG VA-ALLEGHANY VA-MONROE WV-
113 PM EDT SAT AUG 31 2013

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  CRAIG COUNTY IN SOUTHWEST VIRGINIA...
  SOUTHWESTERN ALLEGHANY COUNTY IN WEST CENTRAL VIRGINIA...
  MONROE COUNTY IN SOUTHEAST WEST VIRGINIA...

* UNTIL 215 PM EDT

* AT 108 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR RAINES CORNER...MOVING TO THE EAST AT 20
  MPH.

* PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
  STORM. VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON
  ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

* LOCATIONS IMPACTED INCLUDE...
  UNION...
  PAINT BANK...
  SINKING CREEK...
  MAGGIE...
  AND SWEET SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PROLONGED HEAVY RAINFALL MAY CAUSE WATER TO FLOW OVER THE ROADWAY. DO
NOT DRIVE YOUR VEHICLE WHERE THE ROAD HAS BECOME FLOODED.

&&

LAT...LON 3767 8017 3740 8017 3744 8050 3746 8049
      3748 8051 3748 8055 3745 8060 3746 8072
      3764 8072
TIME...MOT...LOC 1708Z 271DEG 16KT 3755 8063

KK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 1:11 PM EDTSpecial Weather StatementRNKTazewell64 min
Aug 31, 1:43 PM EDTSevere Thunderstorm WarningRNKCraig, Giles62 min
Aug 31, 2:25 PM EDTSpecial Weather StatementRNKWythe35 min
Aug 31, 2:31 PM EDTSpecial Weather StatementRNKCity of Salem29 min
Aug 31, 2:37 PM EDTSevere Thunderstorm WarningRNKBland, Carroll, Pulaski, Wythe53 min
Aug 31, 2:48 PM EDTSpecial Weather StatementRNKGiles27 min
Aug 31, 2:51 PM EDTSevere Thunderstorm WarningRNKCarroll, Grayson, City of Galax54 min
Aug 31, 2:53 PM EDTSpecial Weather StatementRNKBotetourt37 min
Aug 31, 3:02 PM EDTSpecial Weather StatementRNKCity of Roanoke28 min
Aug 31, 3:18 PM EDTFlash Flood WarningRNKCarroll, Grayson, City of Galax4 hr
Aug 31, 3:21 PM EDTSpecial Weather StatementRNKCity of Radford24 min
Aug 31, 3:22 PM EDTSpecial Weather StatementRNKCarroll23 min
Aug 31, 3:26 PM EDTFlash Flood WarningRNKBotetourt4 hr
Aug 31, 3:33 PM EDTSpecial Weather StatementRNKBotetourt27 min
Aug 31, 3:42 PM EDTSpecial Weather StatementRNKMontgomery33 min
Aug 31, 3:51 PM EDTSpecial Weather StatementRNKCarroll24 min
Aug 31, 4:03 PM EDTSpecial Weather StatementRNKCity of Lynchburg27 min
Aug 31, 4:12 PM EDTSpecial Weather StatementRNKCity of Roanoke33 min
Aug 31, 4:22 PM EDTSevere Thunderstorm WarningRNKBedford, Franklin53 min
Aug 31, 4:27 PM EDTSpecial Weather StatementRNKCampbell, City of Lynchburg63 min
Aug 31, 4:34 PM EDTSpecial Weather StatementRNKHenry, Patrick41 min
Aug 31, 4:45 PM EDTSpecial Weather StatementRNKAlleghany, City of Covington60 min
Aug 31, 4:51 PM EDTSevere Thunderstorm WarningRNKFranklin, City of Martinsville54 min
Aug 31, 5:09 PM EDTSpecial Weather StatementRNKCampbell66 min
Aug 31, 5:20 PM EDTSpecial Weather StatementRNKHenry, City of Martinsville55 min
Aug 31, 5:45 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Pittsylvania60 min
Aug 31, 6:00 PM EDTSevere Thunderstorm WarningRNKPittsylvania60 min
Aug 31, 2:17 PM EDTSpecial Weather StatementRNKWilkes28 min
Aug 31, 2:42 PM EDTFlash Flood WarningRNKWilkes6 hr
Aug 31, 2:49 PM EDTSpecial Weather StatementRNKWilkes26 min
Aug 31, 3:13 PM EDTSevere Thunderstorm WarningRNKSurry, Wilkes, Yadkin62 min
Aug 31, 3:29 PM EDTSpecial Weather StatementRNKSurry31 min
Aug 31, 3:38 PM EDTSevere Thunderstorm WarningRNKSurry67 min
Aug 31, 3:46 PM EDTFlash Flood WarningRNKSurry4 hr
Aug 31, 3:59 PM EDTSevere Thunderstorm WarningRNKYadkin91 min
Aug 31, 2:28 PM EDTSpecial Weather StatementRNKMercer32 min
Aug 31, 3:34 PM EDTSpecial Weather StatementRNKGreenbrier26 min

Nearby

Special Weather Statements in Virginia, 2013Special Weather Statements in West Virginia, 2013Every special weather statement in 2013

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.