

958 

WWUS20 KWNS 151237

SEL4

SPC WW 151237

TXZ000-151700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 884

NWS STORM PREDICTION CENTER NORMAN OK

640 AM CST TUE NOV 15 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTH CENTRAL TEXAS



EFFECTIVE THIS TUESDAY MORNING FROM 640 AM UNTIL 1100 AM CST.



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 20 MILES NORTH

NORTHEAST OF AUSTIN TEXAS TO 50 MILES WEST SOUTHWEST OF VICTORIA

TEXAS.  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 883...



DISCUSSION...LINE OF STORMS WILL CONTINUE TO FORWARD PROPAGATE

THROUGH S-CNTRL TX WHERE THE ATMOSPHERE IS MODERATELY UNSTABLE AND

30-40 KT VERTICAL SHEAR IS SUFFICIENT FOR EMBEDDED BOWING

STRUCTURES. ISOLATED DAMAGING WIND AND HAIL WILL BE THE MAIN

THREATS.



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 24035.





...DIAL

