Alert archive / Kentucky / Tornado Watches in 2002

Tornado Watch 198

May 1, 20025 states

The Storm Prediction Center issued this tornado watch at May 1, 2002, 9:00 PM EDT for 5 states. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
May 1, 2002, 9:00 PM EDT (01:00 UTC)
Expired
May 2, 2002, 1:00 AM EDT
In force
4 hr
Issued by
the Storm Prediction Center
All 71 counties

Anderson County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Estill County, KY, Fayette County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Green County, KY, Harlan County, KY, Harrison County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Owen County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Scott County, KY, Spencer County, KY, Taylor County, KY, Washington County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Mitchell County, NC, Carter County, TN, Hancock County, TN, Hawkins County, TN, Johnson County, TN, Sullivan County, TN, Unicoi 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, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, McDowell County, WV

The radar

The Jackson,KY radar (KJKL), 39 km from the middle of the area, began a volume at 01:02 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

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

IssuedProductOfficeCountiesLasted
May 1, 9:02 PM EDTTornado WarningJKLKnox38 min
May 1, 9:07 PM EDTSevere Thunderstorm WarningLMKFranklin23 min
May 1, 9:12 PM EDTSevere Thunderstorm WarningJKLHarlan, Leslie48 min
May 1, 9:15 PM EDTSevere Thunderstorm WarningJKLBell30 min
May 1, 9:27 PM EDTSevere Thunderstorm WarningLMKScott48 min
May 1, 9:28 PM EDTTornado WarningJKLClay32 min
May 1, 9:30 PM EDTTornado WarningJKLHarlan45 min
May 1, 9:30 PM EDTSevere Thunderstorm WarningMRXLee45 min
May 1, 9:34 PM EDTSevere Thunderstorm WarningLMKFayette, Woodford36 min
May 1, 9:43 PM EDTFlash Flood WarningJKLJackson5 hr
May 1, 9:47 PM EDTSevere Thunderstorm WarningMRXScott, Wise, City of Norton43 min
May 1, 9:58 PM EDTSevere Thunderstorm WarningLMKBourbon, Clark32 min
May 1, 10:12 PM EDTSevere Thunderstorm WarningJKLMontgomery48 min
May 1, 10:27 PM EDTSevere Thunderstorm WarningMRXSullivan48 min
May 1, 10:38 PM EDTSevere Thunderstorm WarningMRXWashington52 min
May 1, 10:59 PM EDTSevere Thunderstorm WarningMRXCarter, Johnson46 min
May 1, 11:24 PM EDTFlash Flood WarningJKLMenifee4 hr
May 2, 12:04 AM EDTFlash Flood WarningJKLFloyd, Johnson, Magoffin, Martin16 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.0 hours before the alert went out and 202 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, Cncnati-Daytn, OH at 00:00Z on 2002-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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, Cncnati-Daytn, OH at 00:00Z on 2002-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.1939587897117Sfc1 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
93 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
311 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 020100
SEL8  
SPC WW 020055
KYZ000-TNZ000-VAZ000-020500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 198
STORM PREDICTION CENTER NORMAN OK
855 PM EDT WED MAY 1 2002

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

   EASTERN KENTUCKY                           
   EXTREME EAST TENNESSEE                          
   SOUTHWEST VIRGINIA                           

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 900 PM
UNTIL 100 AM EDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES EITHER SIDE OF
A LINE FROM 40 MILES WEST OF LEXINGTON KENTUCKY TO 45 MILES EAST
NORTHEAST OF BRISTOL TENNESSEE.

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 196.  WATCH NUMBER 196 WILL NOT BE IN EFFECT AFTER 900 PM
EDT.  CONTINUE...WW 197...

DISCUSSION...PAIR OF HP SUPERCELLS CONTINUE TO TRACK EAST-
SOUTHEASTWARD AT OVER 40 KNOTS.  VERY LARGE HAIL AND DAMAGING WINDS
REMAIN POSSIBLE WITH THESE STORMS...AS WELL AS ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 29045.

...HART

355,0815 371,0854 384,0850 372,0811

WWUS20 KWNS 020100
SEL8  
SPC WW 020055
KYZ000-TNZ000-VAZ000-020500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 198
STORM PREDICTION CENTER NORMAN OK
855 PM EDT WED MAY 1 2002

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

   EASTERN KENTUCKY                           
   EXTREME EAST TENNESSEE                          
   SOUTHWEST VIRGINIA                           

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 900 PM
UNTIL 100 AM EDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES EITHER SIDE OF
A LINE FROM 40 MILES WEST OF LEXINGTON KENTUCKY TO 45 MILES EAST
NORTHEAST OF BRISTOL TENNESSEE.

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 196.  WATCH NUMBER 196 WILL NOT BE IN EFFECT AFTER 900 PM
EDT.  CONTINUE...WW 197...

DISCUSSION...PAIR OF HP SUPERCELLS CONTINUE TO TRACK EAST-
SOUTHEASTWARD AT OVER 40 KNOTS.  VERY LARGE HAIL AND DAMAGING WINDS
REMAIN POSSIBLE WITH THESE STORMS...AS WELL AS ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 29045.

...HART

355,0815 371,0854 384,0850 372,0811

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 1, 11:30 PM EDTTornado WatchSPCBallard, Union6 hr
May 2, 12:45 AM EDTSevere Thunderstorm WatchSPCBoone, Campbell, Kenton5 hr
May 2, 8:30 AM EDTSevere Thunderstorm WatchSPCAnderson, Ballard, Boyle, Breckinridge, Bullitt, Butler and 38 more5 hr
May 2, 9:45 AM EDTTornado WatchSPCAdair, Anderson, Bath, Bell, Bourbon, Boyd and 63 more4 hr
May 2, 1:30 PM EDTSevere Thunderstorm WatchSPCAllen, Barren, Bell, Clay, Clinton, Cumberland and 17 more7 hr
May 1, 11:30 PM EDTSevere Thunderstorm WatchSPCAlexander, Alleghany, Ashe, Avery, Cabarrus, Caldwell and 12 more4 hr
May 2, 4:00 PM EDTTornado WatchSPCBertie, Camden, Chowan, Currituck, Edgecombe, Franklin and 12 more5 hr
May 2, 4:30 PM EDTSevere Thunderstorm WatchSPCAlamance, Alleghany, Caswell, Durham, Forsyth, Granville and 8 more6 hr
May 2, 5:00 PM EDTSevere Thunderstorm WatchSPCAlamance, Alleghany, Caswell, Durham, Forsyth, Granville and 8 more5 hr
May 2, 12:30 PM EDTSevere Thunderstorm WatchSPCAlbemarle, Alleghany, Amherst, Appomattox, Augusta, Bath and 45 more5 hr
May 2, 2:30 PM EDTTornado WatchSPCArlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick and 16 more7 hr
May 2, 2:45 PM EDTTornado WatchSPCAccomack, Amelia, Brunswick, Caroline, Charles City, Chesterfield and 50 more6 hr
May 2, 4:30 AM EDTSevere Thunderstorm WatchSPCBarbour, Brooke, Doddridge, Harrison, Marion, Marshall and 11 more4 hr

Nearby

Tornado Watches in Kentucky, 2002Tornado Watches in Virginia, 2002Tornado Watches in Tennessee, 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.