ZCZC MKCSEL3 ALL 280200;415,0802 415,0760 400,0760 400,0803;
WWUS9 KMKC 271936
MKC WW 271936
PAZ000-280200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 843
STORM PREDICTION CENTER NORMAN OK
336 PM EDT SUN SEP 27 1998

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

   CENTRAL AND WESTERN PENNSYLVANIA                       

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 415 PM UNTIL 1000
PM 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 65 STATUTE MILES
EITHER SIDE OF A LINE FROM 40 MILES NORTH NORTHWEST OF PITTSBURGH
PENNSYLVANIA TO 50 MILES EAST SOUTHEAST OF WILLIAMSPORT
PENNSYLVANIA.

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 841...WW 842...

DISCUSSION...BANDS OF THUNDERSTORMS DEVELOPING AHEAD OF COLD FRONT
ACROSS NWRN PA AND ERN OH IN FAST MID LEVEL FLOW.  AIRMASS
MODERATELY UNSTABLE AND GIVEN SPEED OF FLOW...DAMAGING WINDS ARE
LIKELY WITH THE STRONGER STORMS.


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 500.  MEAN STORM
MOTION VECTOR 27045.


...HALES

;415,0802 415,0760 400,0760 400,0803;

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