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000 

WWUS20 KWNS 052018

SEL4

SPC WW 052018

KSZ000-OKZ000-060400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 924

NWS STORM PREDICTION CENTER NORMAN OK

220 PM CST WED NOV 5 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF SOUTHEAST KANSAS

       MUCH OF CENTRAL AND PARTS OF EASTERN OKLAHOMA



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 220 PM UNTIL

1000 PM CST.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES WEST SOUTHWEST OF

ARDMORE OKLAHOMA TO 60 MILES NORTHWEST OF CHANUTE KANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



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...THUNDERSTORMS EXPECTED TO DEVELOP ALONG AND E OF DRY

LINE ACROSS WRN OK INTO SRN KS AS STRONG UPPER TROUGH APPROACHES

FROM THE W.  WITH FAVORABLE SHEAR AND MLCAPES TO 1000

J/KG...SUPERCELLS ARE LIKELY.  TORNADO THREAT WILL INCREASE TOWARD

00Z AS LOW LEVEL SHEAR IMPROVES WITH DEEPENING OF SURFACE WAVE AHEAD

OF THE APPROACHING S/WV TROUGH AND STRONG JET MAX.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 23035.





...HALES

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