

794 

WWUS20 KWNS 210115

SEL9

SPC WW 210115

OKZ000-TXZ000-210700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 99

NWS STORM PREDICTION CENTER NORMAN OK

815 PM CDT WED APR 20 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  FAR SOUTHWEST OKLAHOMA

  PARTS OF NORTHWEST TEXAS AND THE PANHANDLE/SOUTH PLAINS



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 815 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...A BOWING BAND OF STRONG/SEVERE THUNDERSTORMS WILL CONTINUE

TO DEVELOP AND MOVE SOUTHEASTWARD OVER THE NEXT SEVERAL HOURS ACROSS

PARTS OF THE NORTHWEST TEXAS VICINITY.  LARGE HAIL AND DAMAGING

WINDS ARE EXPECTED WITH THE STRONGEST CELLS WITHIN THE BAND.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 65 MILES WEST OF

CHILDRESS TEXAS TO 60 MILES SOUTH OF ALTUS OKLAHOMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU9).



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 29035.





...GOSS

