Alert archive / West Virginia / Tornado Watches in 2002

Tornado Watch 753

November 10, 20027 states

The Storm Prediction Center issued this tornado watch at Nov 10, 2002, 10:45 PM EST for 7 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Nov 10, 2002, 10:45 PM EST (03:45 UTC)
Expired
Nov 11, 2002, 4:00 AM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 98 counties

Bell County, KY, Breathitt County, KY, Floyd County, KY, Harlan County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Lawrence County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, Perry County, KY, Pike County, KY, Garrett County, MD, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Swain County, NC, Washington County, OH, Anderson County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Barbour County, WV, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Marion County, WV, Mason County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Nicholas County, WV, Pleasants County, WV, Preston County, WV, Putnam County, WV, Raleigh County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Summers County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV

The radar

The Knoxville radar (KMRX), 83 km from the middle of the area, began a volume at 03:46 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.

Warnings issued inside it

23 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Nov 10, 10:46 PM ESTTornado WarningMRXUnion44 min
Nov 10, 10:51 PM ESTSevere Thunderstorm WarningMRXMorgan, Roane39 min
Nov 10, 10:57 PM ESTSevere Thunderstorm WarningRLXRoane, Wirt33 min
Nov 10, 10:58 PM ESTSevere Thunderstorm WarningMRXRussell, Washington47 min
Nov 10, 11:01 PM ESTSevere Thunderstorm WarningMRXHamilton44 min
Nov 10, 11:05 PM ESTTornado WarningMRXClaiborne, Hancock40 min
Nov 10, 11:22 PM ESTSevere Thunderstorm WarningMRXWise, City of Norton38 min
Nov 10, 11:24 PM ESTSevere Thunderstorm WarningRLXCalhoun21 min
Nov 10, 11:32 PM ESTSevere Thunderstorm WarningMRXBradley, Polk43 min
Nov 10, 11:35 PM ESTTornado WarningMRXLee, Scott25 min
Nov 10, 11:43 PM ESTTornado WarningMRXRussell47 min
Nov 10, 11:48 PM ESTSevere Thunderstorm WarningMRXAnderson, Blount, Claiborne, Grainger, Hancock, Jefferson and 5 more42 min
Nov 10, 11:58 PM ESTTornado WarningMRXScott47 min
Nov 10, 11:59 PM ESTFlash Flood WarningJKLBell4 hr
Nov 11, 12:00 AM ESTSevere Thunderstorm WarningRLXLewis30 min
Nov 11, 12:04 AM ESTSevere Thunderstorm WarningMRXWashington41 min
Nov 11, 12:08 AM ESTSevere Thunderstorm WarningMRXLee, Wise52 min
Nov 11, 12:10 AM ESTFlash Flood WarningJKLHarlan4 hr
Nov 11, 12:15 AM ESTSevere Thunderstorm WarningMRXCherokee60 min
Nov 11, 12:31 AM ESTSevere Thunderstorm WarningRNKSmyth, Tazewell44 min
Nov 11, 12:40 AM ESTSevere Thunderstorm WarningGSPGraham, Swain65 min
Nov 11, 12:54 AM ESTSevere Thunderstorm WarningGSPMacon66 min
Nov 11, 1:15 AM ESTSevere Thunderstorm WarningMRXCherokee, Clay45 min

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.8 hours before the alert went out and 290 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 2002-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 316 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, Greensboro/Hi Pt, NC at 00:00Z on 2002-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 276 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
316 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
840 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
276 m²/s²
0-3 km storm-relative helicity
400 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 110345
SEL3  
SPC WW 110345
KYZ000-MDZ000-NCZ000-TNZ000-VAZ000-WVZ000-110900-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 753
STORM PREDICTION CENTER NORMAN OK
1045 PM EST SUN NOV 10 2002

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   EASTERN KENTUCKY                           
   EXTREME WESTERN MARYLAND                           
   WESTERN NORTH CAROLINA                     
   EAST TENNESSEE                          
   WESTERN VIRGINIA                           
   MUCH OF WEST VIRGINIA                      

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1045 PM UNTIL
400 AM EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO
80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 40 MILES EAST OF CHATTANOOGA TENNESSEE TO 50 MILES
NORTH NORTHWEST OF ELKINS WEST VIRGINIA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 749.  WATCH NUMBER 749 WILL NOT BE IN EFFECT AFTER 1045 PM
EST.  CONTINUE...WW 748...WW 750...WW 751...WW 752...

DISCUSSION...SQUALL LINE PRODUCING DAMAGING WINDS WILL TRACK
EASTWARD ACROSS WV...WHILE EMBEDDED SUPERCELLS TRACK EASTWARD
ACROSS EAST KY/TN.  THESE STORMS ARE EXPECTED TO PERSIST FOR
SEVERAL MORE HOURS...WITH A CONTINUED THREAT OF TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 25040.

...HART

393,0785 350,0832 350,0853 393,0812

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 11, 5:05 AM ESTTornado WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 9 more6 hr
Nov 11, 11:00 AM ESTTornado WatchSPCSaint Mary's, Somerset, Wicomico, Worcester4 hr
Nov 11, 1:10 AM ESTTornado WatchSPCAlexander, Alleghany, Ashe, Avery, Buncombe, Burke and 26 more6 hr
Nov 11, 5:40 AM ESTTornado WatchSPCRobeson, Scotland5 hr
Nov 11, 6:35 AM ESTTornado WatchSPCAlamance, Cabarrus, Caswell, Chatham, Cumberland, Davidson and 34 more4 hr
Nov 11, 10:00 AM ESTTornado WatchSPCBeaufort, Bertie, Bladen, Brunswick, Camden, Chowan and 22 more5 hr

Nearby

Tornado Watches in West Virginia, 2002Tornado Watches in Tennessee, 2002Tornado Watches in Kentucky, 2002Every tornado watch in 2002

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.