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589 

WWUS20 KWNS 132042

SEL1

SPC WW 132042

KSZ000-MOZ000-140300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 161

NWS STORM PREDICTION CENTER NORMAN OK

340 PM CDT FRI APR 13 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTH CENTRAL AND SOUTHEAST KANSAS

       EXTREME WESTERN MISSOURI



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 340 PM UNTIL

1000 PM CDT.



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 APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTHWEST OF

CHANUTE KANSAS TO 45 MILES EAST NORTHEAST OF EMPORIA KANSAS.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 160...



DISCUSSION...STORMS ARE INCREASING INTO EXTREME SERN KS WITHIN A

MODERATELY UNSTABLE AIR MASS WITH MLCAPE OF 1500-2000 J/KG.

ADDITIONAL STORMS ARE EXPECTED TO DEVELOP ALONG THE WRN EDGE OF THE

LOW LEVEL MOISTURE GRADIENT AS THIS RETREATS NWWD THIS EVENING.

LOCAL VWP PROFILES EXHIBIT VEERING WITH HEIGHT AND SUFFICIENT DEEP

LAYER SHEAR TO SUPPORT ORGANIZED CONVECTION INCLUDING A FEW

SUPERCELLS.  PRIMARY THREAT WILL BE LARGE HAIL AND STRONG WIND

GUSTS...ALTHOUGH AN ISOLATED TORNADO CANNOT BE RULED OUT ESPECIALLY

THIS EVENING.



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 22025.





...WEISS

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