Alert archive / West Virginia / Tornado Watches in 2002

Tornado Watch 168

April 28, 20024 states

The Storm Prediction Center issued this tornado watch at Apr 28, 2002, 1:30 PM EDT for 4 states. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Apr 28, 2002, 1:30 PM EDT (17:30 UTC)
Expired
Apr 28, 2002, 5:00 PM EDT
In force
4 hr
Issued by
the Storm Prediction Center
All 56 counties

Harlan County, KY, Letcher County, KY, Martin County, KY, Pike County, KY, Allegany County, MD, Garrett County, MD, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Barbour County, WV, Boone County, WV, Braxton County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Grant County, WV, Greenbrier County, WV, Harrison County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Marion County, WV, McDowell County, WV, Mercer County, WV, Mineral County, WV, Mingo County, WV, Monongalia County, WV, Monroe County, WV, Nicholas County, WV, Pocahontas County, WV, Preston 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, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wyoming County, WV

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 28, 1:33 PM EDTSevere Thunderstorm WarningRLXBoone, Logan42 min
Apr 28, 1:35 PM EDTSevere Thunderstorm WarningJKLMartin35 min
Apr 28, 1:44 PM EDTTornado WarningJKLMartin41 min
Apr 28, 1:55 PM EDTTornado WarningRLXMingo35 min
Apr 28, 2:05 PM EDTSevere Thunderstorm WarningRLXRaleigh55 min
Apr 28, 2:36 PM EDTSevere Thunderstorm WarningRLXWyoming39 min
Apr 28, 2:43 PM EDTSevere Thunderstorm WarningRNKSummers47 min
Apr 28, 2:47 PM EDTSevere Thunderstorm WarningJKLHarlan28 min
Apr 28, 2:56 PM EDTSevere Thunderstorm WarningMRXLee49 min
Apr 28, 2:58 PM EDTSevere Thunderstorm WarningJKLFloyd, Pike32 min
Apr 28, 3:01 PM EDTSevere Thunderstorm WarningRNKMercer44 min
Apr 28, 3:03 PM EDTSevere Thunderstorm WarningJKLMartin27 min
Apr 28, 3:06 PM EDTTornado WarningMRXLee24 min
Apr 28, 3:07 PM EDTSevere Thunderstorm WarningRNKMonroe38 min
Apr 28, 3:19 PM EDTSevere Thunderstorm WarningMRXScott41 min
Apr 28, 3:42 PM EDTSevere Thunderstorm WarningPBZTucker63 min
Apr 28, 3:43 PM EDTSevere Thunderstorm WarningRNKMonroe47 min
Apr 28, 3:45 PM EDTSevere Thunderstorm WarningMRXWashington, City of Bristol45 min
Apr 28, 3:45 PM EDTSevere Thunderstorm WarningRNKMercer45 min
Apr 28, 3:57 PM EDTSevere Thunderstorm WarningRLXHarrison33 min
Apr 28, 4:05 PM EDTSevere Thunderstorm WarningLWXGrant, Hardy40 min
Apr 28, 4:25 PM EDTSevere Thunderstorm WarningRLXBraxton, Gilmer50 min
Apr 28, 4:29 PM EDTSevere Thunderstorm WarningRLXBarbour46 min
Apr 28, 4:44 PM EDTSevere Thunderstorm WarningRLXLewis, Upshur31 min
Apr 28, 4:55 PM EDTSevere Thunderstorm WarningPBZTucker65 min
Apr 28, 4:55 PM EDTSevere Thunderstorm WarningRLXRandolph65 min

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 5.5 hours before the alert went out and 197 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 2002-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Roanoke, VA at 12:00Z on 2002-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 370 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
17 J/kg
Mixed-layer CIN
-448 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
370 m²/s²
0-3 km storm-relative helicity
435 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
WWUS20 KWNS 281728
SEL8  
SPC WW 281721
KYZ000-MDZ000-VAZ000-WVZ000-282100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 168
STORM PREDICTION CENTER NORMAN OK
121 PM EDT SUN APR 28 2002

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

   EASTERN KENTUCKY                           
   WESTERN MARYLAND PANHANDLE                           
   WESTERN VIRGINIA                           
   WEST VIRGINIA                      

EFFECTIVE THIS SUNDAY AFTERNOON FROM 130 PM UNTIL 500 PM EDT.

 ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
 
DAMAGING TORNADOES...LARGE HAIL TO 2 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 60 MILES SOUTH OF PIKEVILLE KENTUCKY TO 15 MILES
EAST NORTHEAST OF MORGANTOWN 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...  CONTINUE...WW 166...WW 167...

DISCUSSION...EASTWARD MOVING SHORTWAVE TROUGH WILL AID IN SEVERE
THUNDERSTORM INITIATION EWD INTO THE AREA. AIR MASS WILL
DESTABILIZE TO NEAR  2500 J/KG MLCAPE AND STRONG LOW LEVEL SHEAR
INDICATES TORNADOES ...SOME STRONG...ARE LIKELY WITH CONVECTION. 

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 26040.

...IMY

394,0783 363,0812 363,0833 394,0804

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 11:00 PM EDTTornado WatchSPCBallard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 12 more5 hr
Apr 28, 1:00 AM EDTSevere Thunderstorm WatchSPCAnderson, Boone, Carroll, Franklin, Gallatin, Henry and 7 more5 hr
Apr 28, 3:00 AM EDTTornado WatchSPCBallard, Breckinridge, Butler, Caldwell, Calloway, Carlisle and 32 more5 hr
Apr 28, 6:15 AM EDTTornado WatchSPCAdair, Allen, Barren, Boyle, Breathitt, Casey and 26 more4 hr
Apr 28, 11:45 AM EDTTornado WatchSPCBoone, Bracken, Campbell, Carroll, Gallatin, Grant and 7 more5 hr
Apr 28, 12:30 PM EDTTornado WatchSPCAdair, Allen, Anderson, Barren, Bath, Bourbon and 76 more5 hr
Apr 28, 5:00 PM EDTSevere Thunderstorm WatchSPCFloyd, Harlan, Knott, Letcher, Martin, Pike4 hr
Apr 28, 5:00 PM EDTSevere Thunderstorm WatchSPCFloyd, Harlan, Knott, Letcher, Martin, Pike4 hr
Apr 28, 3:30 PM EDTTornado WatchSPCBaltimore, Carroll, Frederick, Harford, Howard, Montgomery and 3 more6 hr
Apr 28, 6:00 PM EDTTornado WatchSPCCalvert, Caroline, Cecil, Dorchester, Kent, Queen Anne's and 5 more4 hr
Apr 28, 2:15 PM EDTTornado WatchSPCCity of Bristol5 hr
Apr 28, 6:45 PM EDTTornado WatchSPCCity of Danville3 hr
Apr 28, 2:30 PM EDTTornado WatchSPCMarshall6 hr

Nearby

Tornado Watches in West Virginia, 2002Tornado Watches in Virginia, 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.