URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 761
STORM PREDICTION CENTER NORMAN OK
210 PM CDT TUE OCT 9 2001

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

WESTERN OKLAHOMA
NORTHWEST TEXAS
THE EXTREME EASTERN TEXAS AND OKLAHOMA PANHANDLES


EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 900
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES EAST AND WEST
OF A LINE FROM 75 MILES SOUTH SOUTHEAST OF CHILDRESS TEXAS TO 55
MILES NORTH NORTHEAST OF GAGE OKLAHOMA.

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.

DISCUSSION...THUNDERSTORM INITIATION EXPECTED IN THE NEXT 1-2 HOURS
ALONG THE DRYLINE JUST W OF WRN OK BORDER WITHIN AXIS OF STRONG
INSTABILITY AND WEAKENING CONVECTIVE INHIBITION. VERTICAL SHEAR
WILL BECOME MORE FAVORABLE FOR SUPERCELLS AS AN EMBEDDED MID-UPPER
LEVEL SPEED MAX APPROACHES FROM ERN NM...WHILE LOW LCL HEIGHTS AND
INCREASING SRH WILL SUPPORTIVE OF SUPERCELL TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25025.


...THOMPSON