

424 

WWUS20 KWNS 280106

SEL7

SPC WW 280106

INZ000-KYZ000-280400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 967

NWS STORM PREDICTION CENTER NORMAN OK

710 PM CST SAT DEC 27 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME SOUTHWEST INDIANA

       WESTERN KENTUCKY



EFFECTIVE THIS SATURDAY EVENING FROM 710 PM UNTIL 1000 PM CST.



HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 30

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH

NORTHEAST OF EVANSVILLE INDIANA TO 80 MILES SOUTH SOUTHWEST OF

OWENSBORO KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 966...



DISCUSSION...A NARROW SQUALL LINE WILL CONTINUE TO MOVE EWD INTO WRN

KY AND SW INDIANA.  THOUGH INSTABILITY WILL DIMINISH WITH TIME AND

EWD EXTENT...VERY STRONG FLOW JUST ABOVE THE GROUND WILL SUPPORT A

CONTINUED THREAT FOR DAMAGING WINDS FOR ANOTHER 1-2 HOURS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM

MOTION VECTOR 26040.





...THOMPSON



424 

WWUS20 KWNS 280106

SEL7

SPC WW 280106

INZ000-KYZ000-280400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 967

NWS STORM PREDICTION CENTER NORMAN OK

710 PM CST SAT DEC 27 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME SOUTHWEST INDIANA

       WESTERN KENTUCKY



EFFECTIVE THIS SATURDAY EVENING FROM 710 PM UNTIL 1000 PM CST.



HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 30

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH

NORTHEAST OF EVANSVILLE INDIANA TO 80 MILES SOUTH SOUTHWEST OF

OWENSBORO KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 966...



DISCUSSION...A NARROW SQUALL LINE WILL CONTINUE TO MOVE EWD INTO WRN

KY AND SW INDIANA.  THOUGH INSTABILITY WILL DIMINISH WITH TIME AND

EWD EXTENT...VERY STRONG FLOW JUST ABOVE THE GROUND WILL SUPPORT A

CONTINUED THREAT FOR DAMAGING WINDS FOR ANOTHER 1-2 HOURS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM

MOTION VECTOR 26040.





...THOMPSON

