Alert archive / Virginia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Blacksburg, VA

February 24, 2016Charlotte County, Halifax County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Feb 24, 2016, 3:52 PM EST for Charlotte County, Halifax County, Virginia. It was in force for 53 min. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 24, 2016, 3:52 PM EST (20:52 UTC)
Expired
Feb 24, 2016, 4:45 PM EST
In force
53 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 Raleigh/Durham radar (KRAX), 122 km from the middle of the area, began a volume at 20:53 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.

What was reported inside it

TimeReportWhereRemark
Feb 24, 4:00 PM ESTTSTM WND DMG3 Ne Halifax, VA
Feb 24, 4:07 PM ESTTSTM WND DMG1 S South Boston, VADEAD TREE FELL AND BROUGHT DOWN POWER LINE
Feb 24, 4:17 PM ESTTSTM WND DMG3 Se South Boston, VASEVERAL TREES DOWN AND A METAL ROOF LIFTED OFF AN OUTBUILDING ON PONDEROSA LANE.
Feb 24, 4:30 PM ESTTSTM WND DMG3 Nne Saxe, VATREE DOWN ON SAXEKEY RD NEAR MOSSING FORD RD.
Feb 24, 4:32 PM ESTTSTM WND DMG4 Sse Charlotte Court H, VATREE DOWN ON HIGHWAY 59 IN DRAKES BRANCH AREA.
Feb 24, 4:40 PM ESTTSTM WND DMG2 Nnw Keysville, VATWO TREES LEANING OVER BRIERY RD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 24, 1:46 PM ESTTornado WatchSPC9 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.9 hours before the alert went out and 86 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 2016-02-24Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2016-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 828 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
465 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
828 m²/s²
0-3 km storm-relative helicity
913 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

696 
WUUS51 KRNK 242052
SVRRNK
VAC037-083-242145-
/O.NEW.KRNK.SV.W.0013.160224T2052Z-160224T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
352 PM EST WED FEB 24 2016

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CHARLOTTE COUNTY IN SOUTH CENTRAL VIRGINIA...
  HALIFAX COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 445 PM EST

* AT 352 PM EST...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  TURBEVILLE...MOVING NORTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  SOUTH BOSTON...
  HALIFAX...
  KEYSVILLE...
  VIRGILINA...
  AND CLOVER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. FOR YOUR
SAFETY...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. STAY AWAY FROM WINDOWS.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTH CENTRAL
NORTH CAROLINA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM
EST FOR SOUTH CENTRAL VIRGINIA.

LAT...LON 3689 7849 3670 7865 3663 7855 3667 7861
      3669 7865 3669 7868 3668 7870 3655 7874
      3654 7916 3667 7919 3672 7917 3710 7850
      3708 7844
TIME...MOT...LOC 2052Z 229DEG 33KT 3660 7910 

HAIL...1.00IN
WIND...60MPH
 
$$

KK
1 follow-up statement
993 
WWUS51 KRNK 242143
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
443 PM EST WED FEB 24 2016

VAC037-083-242151-
/O.EXP.KRNK.SV.W.0013.000000T0000Z-160224T2145Z/
CHARLOTTE VA-HALIFAX VA-
443 PM EST WED FEB 24 2016

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CHARLOTTE AND HALIFAX
COUNTIES WILL EXPIRE AT 445 PM EST...HOWEVER A SEVERE THUNDERSTORM
WARNING REMAINS IN EFFECT FOR EASTERN CHARLOTTE COUNTY UNTIL 530 PM
EST.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.


LAT...LON 3689 7849 3670 7865 3663 7855 3667 7861
      3669 7865 3669 7868 3668 7870 3655 7874
      3654 7916 3667 7919 3672 7917 3710 7850
      3708 7844
TIME...MOT...LOC 2139Z 229DEG 33KT 3660 7910 

$$

16

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 11:02 AM ESTRiver Flood WarningRNKCharlotte, Halifax67 hr
Feb 24, 11:02 AM ESTRiver Flood WarningRNKHalifax3 days
Feb 24, 11:34 AM ESTSpecial Weather StatementRNKCarroll, City of Galax56 min
Feb 24, 12:37 PM ESTSevere Thunderstorm WarningRNKCarroll, Floyd, Patrick53 min
Feb 24, 12:57 PM ESTSevere Thunderstorm WarningRNKFloyd, Franklin, Giles, Montgomery, Pulaski, Roanoke and 2 more32 min
Feb 24, 1:12 PM ESTSpecial Weather StatementRNKHenry33 min
Feb 24, 1:37 PM ESTSevere Thunderstorm WarningRNKFranklin, Henry, Patrick, Pittsylvania, City of Martinsville53 min
Feb 24, 1:55 PM ESTSevere Thunderstorm WarningRNKPittsylvania65 min
Feb 24, 2:03 PM ESTSpecial Weather StatementRNKBedford, Franklin27 min
Feb 24, 2:26 PM ESTSpecial Weather StatementRNKAmherst, Bedford, Rockbridge, City of Buena Vista, City of Lexington, City of Lynchburg34 min
Feb 24, 2:26 PM ESTSevere Thunderstorm WarningRNKHalifax, Henry, Pittsylvania, City of Danville64 min
Feb 24, 2:41 PM ESTTornado WarningRNKPittsylvania, City of Danville34 min
Feb 24, 2:54 PM ESTTornado WarningRNKHalifax, Pittsylvania, City of Danville36 min
Feb 24, 3:08 PM ESTSevere Thunderstorm WarningRNKAmherst, Appomattox, Campbell, Charlotte, Halifax, City of Lynchburg67 min
Feb 24, 3:15 PM ESTTornado WarningRNKCampbell, Charlotte, Halifax, Pittsylvania30 min
Feb 24, 3:27 PM ESTTornado WarningRNKAppomattox, Campbell33 min
Feb 24, 3:39 PM ESTSevere Thunderstorm WarningRNKAppomattox, Buckingham66 min
Feb 24, 3:43 PM ESTTornado WarningRNKAppomattox, Campbell, Charlotte32 min
Feb 24, 3:45 PM ESTTornado WarningRNKAppomattox, Buckingham30 min
Feb 24, 4:13 PM ESTTornado WarningRNKCharlotte, Halifax32 min
Feb 24, 4:34 PM ESTSevere Thunderstorm WarningRNKCharlotte, Halifax24 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2016Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.