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WWUS20 KWNS 110249

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 82

NWS STORM PREDICTION CENTER NORMAN OK

950 PM CDT SUN APR 10 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL AND SOUTHWEST OKLAHOMA

  NORTHWEST TEXAS



* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 950 PM

  UNTIL 500 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...SCATTERED SEVERE STORMS...SOME WITH SUPERCELL

STRUCTURE...WILL PERSIST AND SPREAD EASTWARD THROUGH THE OVERNIGHT

HOURS.  THE STORM ENVIRONMENT MAY SUPPORT AN ISOLATED TORNADO WITH

THE SUPERCELLS NEAR WICHITA FALLS THROUGH ABOUT 11PM LOCAL

TIME...BUT LARGE HAIL WILL BE THE MAIN RISK.  MERGERS OF STORMS

COULD ALSO LEAD CLUSTER FORMATION AND THE RISK FOR OCCASIONAL

DAMAGING GUSTS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTHWEST

OF ALTUS OKLAHOMA TO 20 MILES NORTHEAST OF ARDMORE OKLAHOMA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU2).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

SEVERE THUNDERSTORM WATCH NUMBER 78...SEVERE THUNDERSTORM WATCH

NUMBER 79. WATCH NUMBER 78 79 WILL NOT BE IN EFFECT AFTER 950 PM

CDT. CONTINUE...WW 80...WW 81...



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 25035.





...THOMPSON

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