Alert archive / Kentucky / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 813

December 16, 20004 states

The Storm Prediction Center issued this severe thunderstorm watch at Dec 16, 2000, 4:30 PM EST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Dec 16, 2000, 4:30 PM EST (21:30 UTC)
Expired
Dec 16, 2000, 10:00 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 62 counties

Bath County, KY, Bell County, KY, Boyd County, KY, Breathitt County, KY, Carter County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Greenup County, KY, Harlan County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Menifee County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Rowan County, KY, Whitley County, KY, Wolfe County, KY, Adams County, OH, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, City of Norton, VA, Dickenson County, VA, Lee County, VA, Scott County, VA, Wise County, VA, Boone County, WV, Cabell County, WV, Jackson County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Pleasants County, WV, Putnam County, WV, Roane County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Dec 16, 4:34 PM ESTSevere Thunderstorm WarningJKLElliott, Menifee, Morgan, Rowan26 min
Dec 16, 5:03 PM ESTSevere Thunderstorm WarningJKLBreathitt, Magoffin42 min
Dec 16, 5:03 PM ESTSevere Thunderstorm WarningJKLOwsley42 min
Dec 16, 6:31 PM ESTFlash Flood WarningJKLBath, Breathitt, Clay, Elliott, Estill, Fleming and 12 more6 hr
Dec 16, 7:54 PM ESTFlash Flood WarningJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 24 more5 hr
Dec 16, 8:30 PM ESTFlash Flood WarningILNAdams3 hr
Dec 16, 8:32 PM ESTSevere Thunderstorm WarningMRXLee45 min
Dec 16, 8:43 PM ESTSevere Thunderstorm WarningJKLHarlan32 min

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.5 hours before the alert went out and 196 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 12:00Z on 2000-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2000-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 550 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
454 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
550 m²/s²
0-3 km storm-relative helicity
543 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.

595 
WWUS9 KMKC 162221
SEL3  

SEL3  
MKC WW 162112
KYZ000-OHZ000-VAZ000-WVZ000-170300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 813
STORM PREDICTION CENTER NORMAN OK
412 PM EST SAT DEC 16 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   EASTERN KENTUCKY                           
   SOUTHERN OHIO                               
   SOUTHWEST VIRGINIA                           
   WESTERN WEST VIRGINIA                      

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 430 PM UNTIL
1000 PM EST.

HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES
EAST AND WEST OF A LINE FROM 45 MILES SOUTHEAST OF LONDON KENTUCKY
TO 15 MILES NORTH NORTHEAST OF ATHENS OHIO.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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 808...WW 809...WW
810...WW 811...WW 812...

DISCUSSION...LINE OF LOW-TOPPED CONVECTION DOWNSTREAM FROM
DEVELOPING SUB-SYNOPTIC LOW ATTM ORGANIZING OVER MIDDLE TN EXPECTED
TO REMAIN STRONG AS IT INGESTS POCKET OF DOWNSLOPE-WARMED BOUNDARY
LAYER AIR OVER ERN KY.  GIVEN STRENGTH OF SHEAR AND ORIENTATION OF
LINE...SETUP APPEARS CONDUCIVE TO EMBEDDED BOWS.  

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50 KNOTS. 
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.  MEAN STORM MOTION
VECTOR 21035.

...CORFIDI

392,0810 363,0822 363,0843 392,0831

N

Nearby

Severe Thunderstorm Watches in Kentucky, 2000Severe Thunderstorm Watches in West Virginia, 2000Severe Thunderstorm Watches in Ohio, 2000Every severe thunderstorm watch in 2000

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.