

966 

WWUS20 KWNS 082236

SEL3

SPC WW 082236

TXZ000-090300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 133

NWS STORM PREDICTION CENTER NORMAN OK

540 PM CDT THU MAY 8 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL TEXAS



* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 540 PM UNTIL

  1000 PM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHEAST OF

TEMPLE TEXAS TO 65 MILES WEST SOUTHWEST OF AUSTIN TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU3).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 130...WW 131...WW 132...



DISCUSSION...SCATTERED THUNDERSTORMS JUST E OF THE DRYLINE WILL

LIKELY PERSIST FOR A FEW MORE HOURS WITH THE RISK FOR ISOLATED LARGE

HAIL AND DAMAGING WINDS.  THE SEVERE THREAT WILL BE SUPPORTED BY

MODERATE INSTABILITY WHERE SURFACE HEATING HAS BEEN STRONGER IN

CLOUDS BREAKS...IN AN ENVIRONMENT WITH SUFFICIENT DEEP-LAYER

VERTICAL SHEAR FOR ORGANIZED/SUPERCELL STORMS.



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 550. MEAN STORM

MOTION VECTOR 27025.





...THOMPSON

