Alert archive / North Carolina / Tornado Warnings in 2010

Tornado Warning 13, NWS Blacksburg, VA

July 13, 20104 counties in North Carolina

NWS Blacksburg, VA issued this tornado warning at Jul 13, 2010, 4:14 PM EDT for 4 counties in North Carolina. It was in force for 46 min. 5 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
Jul 13, 2010, 4:14 PM EDT (20:14 UTC)
Expired
Jul 13, 2010, 5:00 PM EDT
In force
46 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon

Counties Alleghany County, NC, Surry County, NC, Wilkes County, NC, Yadkin County, NC

The radar

The Roanoke radar (KFCX), 92 km from the middle of the area, began a volume at 20:16 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
Jul 13, 4:32 PM EDTTSTM WND DMG4 Wsw Elkin, NCTREE DOWN ALONG MACEDONIA CHURCH ROAD OFF OF HIGHWAY 268. WIND GUSTS ESTIMATED BETWEEN 40-50 MPH. LOTS OF SMALL TREE LIMBS DOWN.
Jul 13, 4:35 PM EDTTSTM WND DMGRonda, NCTREE DOWN IN RONDA
Jul 13, 4:37 PM EDTTSTM WND DMG3 Se Dobson, NC2 TREES DOWN ON ROCKFORD ROAD
Jul 13, 4:46 PM EDTTSTM WND DMG5 Nnw Boonville, NCTREE DOWN ALONG JOE LAYNE MILL ROAD... JUST OFF OF HIGHWAY 268.
Jul 13, 4:46 PM EDTTSTM WND GST 405 N Boonville, NCTRAINED WEATHER SPOTTER WITH WEATHER EQUIPMENT MEASURED 40 MPH WIND GUST...PEA SIZE HAIL... AND 1.67 INCHES OF RAIN.

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
Jul 13, 2:13 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.2 hours before the alert went out and 88 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, Greensboro/Hi Pt, NC at 12:00Z on 2010-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 403 joules per kilogram.LCLLFCEL10008507005003002001001 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, Greensboro/Hi Pt, NC at 12:00Z on 2010-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
403 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
680 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

020 
WFUS51 KRNK 132014
TORRNK
NCC005-171-193-197-132100-
/O.NEW.KRNK.TO.W.0013.100713T2014Z-100713T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
414 PM EDT TUE JUL 13 2010

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN YADKIN COUNTY IN NORTHWEST NORTH CAROLINA
  NORTHEASTERN WILKES COUNTY IN NORTHWEST NORTH CAROLINA
  SOUTHWESTERN SURRY COUNTY IN NORTH CENTRAL NORTH CAROLINA
  SOUTHEASTERN ALLEGHANY COUNTY IN NORTHWEST NORTH CAROLINA

* UNTIL 500 PM EDT.

* AT 412 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BENHAM...OR
  NEAR TRAPHILL...MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BENHAM...
  STATE ROAD...
  ELKIN...
  BURCH...
  CRUTCHFIELD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

WHEN IT IS SAFE TO DO SO...PLEASE RELAY YOUR SEVERE WEATHER REPORTS
TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE AT...1...8 6
6...2 1 5...4 3 2 4.

&&

LAT...LON 3642 8058 3611 8067 3623 8127 3644 8107
TIME...MOT...LOC 2014Z 282DEG 15KT 3630 8097

$$

MC
1 follow-up statement
543 
WWUS51 KRNK 132100
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
500 PM EDT TUE JUL 13 2010

NCC005-171-193-197-132108-
/O.EXP.KRNK.TO.W.0013.000000T0000Z-100713T2100Z/
YADKIN NC-WILKES NC-SURRY NC-ALLEGHANY NC-
500 PM EDT TUE JUL 13 2010

...THE TORNADO WARNING FOR SOUTHEASTERN ALLEGHANY...SOUTHWESTERN
SURRY...NORTHEASTERN WILKES AND NORTHWESTERN YADKIN COUNTIES EXPIRES
AT 500 PM EDT...

HOWEVER...A NEW TORNADO WARNING HAS BEEN ISSUED NORTHERN 
YADKIN...SOUTHWESTERN STOKES...AND SOUTHEASTERN SURRY COUNTIES UNTIL 
545 PM. SEE LATEST WBCTORRNK FOR DETAILS.

TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1...8 6 6...2 1 5...4 3 2 4.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN
VIRGINIA.

LAT...LON 3642 8058 3611 8067 3623 8127 3644 8107
TIME...MOT...LOC 2058Z 282DEG 15KT 3626 8075

$$

RCS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 3:37 PM EDTSevere Thunderstorm WarningRNKAlleghany, Surry, Wilkes, Yadkin38 min
Jul 13, 3:47 PM EDTTornado WarningRNKAlleghany, Surry, Wilkes28 min
Jul 13, 3:53 PM EDTSevere Thunderstorm WarningRNKWatauga, Wilkes67 min
Jul 13, 4:48 PM EDTSevere Thunderstorm WarningRNKWilkes57 min
Jul 13, 4:56 PM EDTTornado WarningRNKStokes, Surry, Yadkin49 min
Jul 13, 5:33 PM EDTSevere Thunderstorm WarningRNKWilkes42 min
Jul 13, 5:38 PM EDTTornado WarningRNKWilkes, Yadkin67 min
Jul 13, 5:45 PM EDTSevere Thunderstorm WarningRNKRockingham, Stokes60 min
Jul 13, 5:56 PM EDTSevere Thunderstorm WarningRNKWilkes43 min

Nearby

Tornado Warnings in North Carolina, 2010Every tornado warning in 2010Tornadoes in 2010

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.