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252 

WWUS20 KWNS 162133

SEL8

SPC WW 162133

TXZ000-170300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 478

NWS STORM PREDICTION CENTER NORMAN OK

435 PM CDT FRI SEP 16 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  PORTIONS OF NORTHWEST TEXAS



* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 435 PM UNTIL

  1000 PM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...THUNDERSTORM CLUSTERS ARE EXPECTED TO EXPAND IN AREAL

COVERAGE AS THEY MOVE SOUTHEAST ACROSS NORTHWEST TEXAS THIS EVENING.

LARGE HAIL IS THE PRIMARY RISK...THOUGH LOCALLY DAMAGING WINDS ARE

ALSO POSSIBLE.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH

SOUTHWEST OF MIDLAND TEXAS TO 80 MILES NORTHEAST OF BIG SPRING

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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.



&&



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 28025.





...DARROW

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