Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 73, NWS Blacksburg, VA

September 5, 2011Carroll County, Patrick County, Virginia

NWS Blacksburg, VA issued this tornado warning at Sep 5, 2011, 10:03 PM EDT for Carroll County, Patrick County, Virginia. It was in force for 27 min. 3 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
Sep 5, 2011, 10:03 PM EDT (02:03 UTC)
Expired
Sep 5, 2011, 10:30 PM EDT
In force
27 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon

Counties Carroll County, VA, Patrick County, VA

The radar

The Roanoke radar (KFCX), 59 km from the middle of the area, began a volume at 02:06 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
Sep 5, 10:03 PM EDTTORNADO 0Cana, VA*** 2 INJ *** ROOF BLOWN OFF GAS STATION
Sep 5, 10:10 PM EDTTORNADOE Cana, VADAMAGE FROM POSSIBLE TORNADO. GAS STATION PUMPS BLOWN AWAY WITH SIGNIFICANT DAMAGE TO STATION. MANY TREES AND POWER LINES DOWN. OTHER STRUCTURES DAMAGED.
Sep 5, 10:11 PM EDTTSTM WND DMG5 Nnw Cana, VATHUNDERSTORM WINDS BLEW TREES DOWNA ACROSS ROUTE 52 BETWEEN HILLSVILLE AND CANA.

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
Sep 5, 6:29 PM EDTTornado WatchSPC10 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.1 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, Greensboro/Hi Pt, NC at 00:00Z on 2011-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1522 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 00:00Z on 2011-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 square meters per square second.19395878Sfc1 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
1522 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
2.1
Supercell composite
9.5

Open this sounding in Storm Lab

The text

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

753 
WFUS51 KRNK 060203
TORRNK
VAC035-141-060230-
/O.NEW.KRNK.TO.W.0073.110906T0203Z-110906T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
1003 PM EDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN PATRICK COUNTY IN SOUTHWEST VIRGINIA
  SOUTHEASTERN CARROLL COUNTY IN SOUTHWEST VIRGINIA

* UNTIL 1030 PM EDT.

* AT 1001 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CANA...
  MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CANA...
  FANCY GAP...
  GROUNDHOG MOUNTAIN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT TUESDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA.

&&

LAT...LON 3656 8082 3671 8072 3666 8049 3656 8059
TIME...MOT...LOC 0203Z 208DEG 22KT 3659 8068

$$
2 follow-up statements
825 
WWUS51 KRNK 060214
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1014 PM EDT MON SEP 5 2011

VAC035-141-060230-
/O.CON.KRNK.TO.W.0073.000000T0000Z-110906T0230Z/
PATRICK VA-CARROLL VA-
1014 PM EDT MON SEP 5 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR WESTERN
PATRICK AND SOUTHEASTERN CARROLL COUNTIES...

AT 1011 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR FANCY GAP...OR
NEAR CANA...MOVING NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  FANCY GAP...
  GROUNDHOG MOUNTAIN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT TUESDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA.

&&

LAT...LON 3661 8073 3670 8069 3666 8049 3657 8058
TIME...MOT...LOC 0214Z 208DEG 22KT 3662 8064

$$

AMS
206 
WWUS51 KRNK 060224
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1024 PM EDT MON SEP 5 2011

VAC035-141-060235-
/O.EXP.KRNK.TO.W.0073.000000T0000Z-110906T0230Z/
PATRICK VA-CARROLL VA-
1024 PM EDT MON SEP 5 2011

...THE TORNADO WARNING FOR WESTERN PATRICK AND SOUTHEASTERN CARROLL
COUNTIES EXPIRES AT 1030 PM EDT...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT TUESDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA.

LAT...LON 3661 8073 3670 8069 3666 8049 3657 8058
TIME...MOT...LOC 0225Z 208DEG 22KT 3668 8060

$$

AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 8:12 PM EDTTornado WarningRNKCraig, Giles, Montgomery, Roanoke33 min
Sep 5, 8:17 PM EDTSpecial Weather StatementRNKAmherst, Bedford, Franklin, City of Lynchburg28 min
Sep 5, 8:36 PM EDTTornado WarningRNKBedford39 min
Sep 5, 9:24 PM EDTSpecial Weather StatementRNKAmherst, City of Lynchburg36 min
Sep 5, 9:40 PM EDTSevere Thunderstorm WarningRNKCarroll, Patrick45 min
Sep 5, 10:00 PM EDTSpecial Weather StatementRNKAppomattox, Buckingham, City of Lynchburg60 min
Sep 5, 10:09 PM EDTFlash Flood WarningRNKFloyd, Franklin, Roanoke6 hr
Sep 5, 10:19 PM EDTFlash Flood WarningRNKCarroll, Floyd, Patrick6 hr
Sep 5, 10:23 PM EDTSpecial Weather StatementRNKCampbell, City of Lynchburg67 min
Sep 5, 10:50 PM EDTSevere Thunderstorm WarningRNKBuckingham25 min
Sep 5, 10:52 PM EDTFlash Flood WarningRNKBedford, Campbell, Franklin, City of Lynchburg6 hr
Sep 5, 11:04 PM EDTFlash Flood WarningRNKCarroll, Floyd, Franklin, Patrick6 hr
Sep 5, 11:22 PM EDTFlash Flood WarningRNKAmherst6 hr
Sep 5, 11:43 PM EDTSpecial Weather StatementRNKAmherst, Bedford, Buckingham, City of Lynchburg62 min
Sep 6, 12:17 AM EDTFlash Flood WarningRNKCarroll, Grayson, City of Galax6 hr
Sep 6, 12:51 AM EDTSpecial Weather StatementRNKAppomattox, Buckingham54 min
Sep 6, 1:10 AM EDTSevere Thunderstorm WarningRNKAppomattox, Buckingham65 min
Sep 6, 3:30 AM EDTAreal Flood WarningRNKAlleghany, Amherst, Bath, Bedford, Botetourt, Craig and 7 more18 hr
Sep 6, 3:38 AM EDTAreal Flood WarningRNKCarroll, Floyd, Franklin, Giles, Grayson, Montgomery and 5 more18 hr
Sep 6, 3:39 AM EDTSpecial Weather StatementRNKAppomattox, Bedford, Campbell, Franklin, Pittsylvania, City of Lynchburg66 min
Sep 6, 4:34 AM EDTSpecial Weather StatementRNKHalifax56 min
Sep 6, 4:51 AM EDTSevere Thunderstorm WarningRNKCharlotte, Halifax54 min
Sep 6, 5:04 AM EDTTornado WarningRNKCharlotte, Halifax26 min
Sep 6, 5:28 AM EDTTornado WarningRNKCharlotte, Halifax47 min
Sep 6, 7:43 AM EDTFlash Flood WarningRNKFloyd, Franklin, Roanoke6 hr
Sep 6, 8:28 AM EDTTornado WarningRNKCarroll, Patrick19 min
Sep 6, 9:48 AM EDTTornado WarningRNKPatrick27 min
Sep 6, 9:57 AM EDTAreal Flood WarningRNKCarroll, Grayson, Patrick12 hr

Nearby

Tornado Warnings in Virginia, 2011Every tornado warning in 2011Tornadoes in 2011

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.