WATCHES: Severe Thunderstorm Watch Number 654

WWUS20 KWNS 110403
SEL4
SPC WW 110403
MOZ000-111000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 654
NWS STORM PREDICTION CENTER NORMAN OK
1100 PM CDT FRI SEP 10 2010

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

SOUTHWEST AND CENTRAL MISSOURI

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1100 PM
UNTIL 500 AM CDT.

HAIL TO 1.5 INCHES 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 60
STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHWEST OF
VICHY MISSOURI TO 25 MILES SOUTH SOUTHEAST OF MONETT MISSOURI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 653...

DISCUSSION...CNTRL MO TO SE KS QLCS EXPECTED TO CONTINUE MAINLY
EWD...WITH TWO MAIN AREAS OF POSSIBLY ENHANCED SVR WIND THREAT
DEVELOPING LATER TONIGHT/EARLY SAT. ONE AREA IN THE NEAR TERM MAY
EVOLVE FROM PORTION OF QLCS THAT HAS BECOME W-E ORIENTED NEAR SZL.
WIND AND INSTABILITY CONSIDERATIONS SUGGEST BOWING STRUCTURES IN
THAT REGION MAY TURN A BIT MORE S OF E OF THE NEXT FEW HOURS...
EXTENDING OCNL SVR WIND THREAT TOWARD AREA S OF COU/NW OF VIH.
FARTHER SW...A SEPARATE/LARGER SCALE BOW STRUCTURE MAY EVOLVE FROM
PART OF QLCS NOW NEARING CNU. EMBEDDED SMALLER SCALE BOWS MAY MOVE
E INTO SW MO LATER TONIGHT/EARLY SAT WITH SVR WIND/POSSIBLE HAIL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 27030.

...CORFIDI

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