Severe Thunderstorm Watch 672

Issued

Aug 9, 2000, 7:00 PM EDT (23:00 UTC)

Expired

Aug 10, 2000, 1:00 AM EDT

In force

6 hr

Issued by

the Storm Prediction Center

922 
WWUS9 KMKC 092253
SEL2  

SEL2  
MKC WW 092245
INZ000-KYZ000-OHZ000-WVZ000-100500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 672
STORM PREDICTION CENTER NORMAN OK
645 PM EDT WED AUG 9 2000

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

   EXTREME SOUTHEAST INDIANA                            
   NORTHERN AND EASTERN KENTUCKY                           
   EXTREME SOUTHERN OHIO                               
   WESTERN WEST VIRGINIA                      

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 700 PM
UNTIL 100 AM EDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 115 STATUTE MILES
EAST AND WEST OF A LINE FROM 70 MILES NORTHWEST OF HUNTINGTON WEST
VIRGINIA TO 15 MILES SOUTH SOUTHEAST OF PIKEVILLE KENTUCKY.

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 666...WW 667...WW
669...WW 670...WW 671...

DISCUSSION...MCS NOW OVER SRN OH EXPECTED TO MOVE/DEVELOP SE ALONG
SURFACE-BASED INSTABILITY GRADIENT ASSOCIATED WITH OUTFLOW BOUNDARY
FROM MCS NOW OVER ERN VA.  WHILE LOW-LEVEL INFLOW WILL LIKELY
REMAIN WEAK...HIGH DEGREE OF INSTABILITY /CAPE AOA 5000 J/KG/ AND
MODERATE /30-40 KT/ NWLY DEEP-LAYER SHEAR SUGGEST POTENTIAL FOR
EMBEDDED SUPERCELLS WITH HIGH WINDS/HAIL AND PERHAPS AN ISOLATED
TORNADO OR TWO.  

AVIATION...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 550.  MEAN STORM
MOTION VECTOR 30025.

...CORFIDI

390,0811 371,0801 371,0843 390,0853

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

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.