

000 

WWUS20 KWNS 142235

SEL6

SPC WW 142235

KSZ000-OKZ000-TXZ000-150400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 516

NWS STORM PREDICTION CENTER NORMAN OK

535 PM CDT SAT JUL 14 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHEAST...CENTRAL AND SOUTHWEST KANSAS

       THE OKLAHOMA PANHANDLE

       NORTHERN PARTS OF THE TEXAS PANHANDLE



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 535 PM UNTIL

1100 PM 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 80

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES SOUTH

SOUTHWEST OF GUYMON OKLAHOMA TO 55 MILES NORTH OF MANHATTAN

KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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.



DISCUSSION...SCTD TSTMS/MARGINAL SUPERCELLS WITH A THREAT FOR HAIL

AND LOCALLY DAMAGING WIND EXPECTED INVOF NE/SW SFC TROUGH THROUGH

MID EVENING. MODEST NNWLY DEEP SHEAR AND...POSSIBLY...ENHANCED UVV

ASSOCIATED WITH PASSING UPR DISTURBANCE OVER ERN KS WILL BE PRESENT

TO ASSIST STORM SUSTENANCE/ORGANIZATION.



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 500. MEAN STORM

MOTION VECTOR 35020.





...CORFIDI

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