

608 

WWUS20 KWNS 092235

SEL6

SPC WW 092235

KSZ000-OKZ000-TXZ000-100600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 86

NWS STORM PREDICTION CENTER NORMAN OK

535 PM CDT TUE APR 9 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL KANSAS

       CENTRAL AND WESTERN OKLAHOMA

       WESTERN NORTH TEXAS



EFFECTIVE THIS TUESDAY AFTERNOON AND WEDNESDAY MORNING FROM 535

PM UNTIL 100 AM 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 75

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTH

SOUTHWEST OF WICHITA FALLS TEXAS TO 45 MILES NORTH OF HUTCHINSON

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...SCATTERED THUNDERSTORMS ARE EXPECTED TO INTENSIFY THIS

AFTERNOON AND EVENING OVER THE WATCH AREA.  STORMS WILL BE BEHIND A

STRONG SURFACE COLD FRONT.  BUT DESPITE THE VERY COLD LOW LEVEL

ENVIRONMENT...FORECAST SOUNDINGS SHOW AMPLE ELEVATED INSTABILITY AND

SHEAR FOR ROTATING THUNDERSTORMS CAPABLE OF LARGE HAIL.  COVERAGE OF

STORMS MAY CONTINUE TO INCREASE THROUGH MIDNIGHT.



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 23035.





...HART

