Alert archive / Virginia / Tornado Warnings in 2008

Tornado Warning 4, NWS Blacksburg, VA

May 8, 2008Franklin County, Henry County, Patrick County, Virginia

NWS Blacksburg, VA issued this tornado warning at May 8, 2008, 7:38 PM EDT for Franklin County, Henry County, Patrick County, Virginia. It was in force for 67 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
May 8, 2008, 7:38 PM EDT (23:38 UTC)
Expired
May 8, 2008, 8:45 PM EDT
In force
67 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon

Counties Franklin County, VA, Henry County, VA, Patrick County, VA

The radar

The Roanoke radar (KFCX), 32 km from the middle of the area, began a volume at 23:39 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
May 8, 7:57 PM EDTHAIL 0.751 W Philpott Dam, VA
May 8, 8:00 PM EDTTORNADO1 N Figsboro, VAEF1 TORNADO TOUCHED DOWN NORTH OF FIGSBORO NEAR STATE ROUTE 886 IN HENRY COUNTY AND MOVED NORTH FOR APPROXIMATELY 1 MILE INTO FRANKLIN COUNTY BEFORE LIFTING NEAR THE INTERSECTION OF STATE ROUTE 618 AND STATE ROUTE 632. THE MAXIMUM WIDTH OF THE TORNADO WAS 75 Y
May 8, 8:45 PM EDTTSTM WND DMG2 Sw Snow Creek, VATREES DOWN ON HOUSE ON RT 618 AND 632 MUDDY FORK 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
May 8, 6:48 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.6 hours before the alert went out and 68 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 2008-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 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, Roanoke, VA at 12:00Z on 2008-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
29 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
977 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
200 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.

000 
WFUS51 KRNK 082338
TORRNK
VAC067-089-141-090045-
/O.NEW.KRNK.TO.W.0004.080508T2338Z-080509T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
738 PM EDT THU MAY 8 2008

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN PATRICK COUNTY IN SOUTHWEST VIRGINIA
  SOUTHWESTERN FRANKLIN COUNTY IN WEST CENTRAL VIRGINIA
  NORTHWESTERN HENRY COUNTY IN SOUTH CENTRAL VIRGINIA

* UNTIL 845 PM EDT.

* AT 735 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CRITZ...OR
  NEAR STUART...MOVING NORTHEAST AT 29 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CRITZ...
  SANVILLE...
  PHILPOTT DAM...
  BASSETT...
  OAK LEVEL...

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

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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.

PLEASE RELAY SEVERE WEATHER REPORTS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

LAT...LON 3692 8005 3680 7975 3663 8015 3667 8030
TIME...MOT...LOC 2338Z 230DEG 25KT 3667 8018

$$

WP
2 follow-up statements
000 
WWUS51 KRNK 082350
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
750 PM EDT THU MAY 8 2008

VAC067-089-141-090045-
/O.CON.KRNK.TO.W.0004.000000T0000Z-080509T0045Z/
PATRICK VA-FRANKLIN VA-HENRY VA-
750 PM EDT THU MAY 8 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
NORTHWESTERN HENRY...SOUTHERN FRANKLIN AND NORTHEASTERN PATRICK
COUNTIES...

AT 747 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SANVILLE...OR 9
MILES NORTHWEST OF SPENCER...MOVING NORTHEAST AT 24 MPH.

THE TORNADO WILL BE NEAR...
  SANVILLE BY 755 PM EDT...
  PHILPOTT DAM AND FAIRY STONE STATE PARK BY 805 PM EDT...
  BASSETT AND STANLEYTOWN BY 810 PM EDT...
  OAK LEVEL BY 820 PM EDT...
  FIGSBORO BY 825 PM EDT...

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

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

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.

LAT...LON 3692 8005 3680 7975 3668 8010 3672 8018
TIME...MOT...LOC 2350Z 230DEG 20KT 3671 8011

$$

WP
000 
WWUS51 KRNK 090038
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
838 PM EDT THU MAY 8 2008

VAC067-089-141-090048-
/O.EXP.KRNK.TO.W.0004.000000T0000Z-080509T0045Z/
PATRICK VA-FRANKLIN VA-HENRY VA-
838 PM EDT THU MAY 8 2008

...THE TORNADO WARNING FOR NORTHWESTERN HENRY...SOUTHERN FRANKLIN AND
NORTHEASTERN PATRICK COUNTIES EXPIRES AT 845 PM EDT...

AT 838 PM...THE SEVERE THUNDERSTORM THAT INDICATED AT TORNADO HAD 
MOVED NORTHEAST INTO EASTERN FRANKLIN COUNTY.

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

LAT...LON 3692 8005 3680 7975 3668 8010 3672 8018
TIME...MOT...LOC 0038Z 230DEG 20KT 3688 7985

$$

WP

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 6:42 PM EDTSevere Thunderstorm WarningRNKBland, Giles63 min
May 8, 7:21 PM EDTSevere Thunderstorm WarningRNKGiles54 min
May 8, 7:27 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Patrick, City of Martinsville63 min
May 8, 7:34 PM EDTSevere Thunderstorm WarningRNKBuckingham41 min
May 8, 7:40 PM EDTSevere Thunderstorm WarningRNKCraig, Giles, Montgomery, City of Radford65 min
May 8, 7:42 PM EDTSevere Thunderstorm WarningRNKMontgomery, Pulaski, City of Radford63 min
May 8, 7:43 PM EDTSevere Thunderstorm WarningRNKCarroll, Patrick62 min
May 8, 7:57 PM EDTTornado WarningRNKFranklin, Pittsylvania48 min

Nearby

Tornado Warnings in Virginia, 2008Every tornado warning in 2008Tornadoes in 2008

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.