

477 

WWUS20 KWNS 112327

SEL4

SPC WW 112327

NEZ000-SDZ000-120600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 444

NWS STORM PREDICTION CENTER NORMAN OK

630 PM CDT THU AUG 11 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  PARTS OF WESTERN AND CENTRAL NEBRASKA

  PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA



* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 630 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 65 MPH POSSIBLE



SUMMARY...THUNDERSTORMS DEVELOPING OVER SOUTHWEST SOUTH DAKOTA AND

THE NEBRASKA PANHANDLE SHOULD GRADUALLY INCREASE IN COVERAGE AS THEY

SHIFT EAST-SOUTHEAST THROUGH THE EVENING.  LARGE HAIL AND LOCALLY

DAMAGING WINDS CAN BE EXPECTED WITH STRONGER STORMS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95

STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES WEST

NORTHWEST OF CHAMBERLAIN SOUTH DAKOTA TO 55 MILES WEST OF BROKEN

BOW NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 443...



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 29030.





...GOSS

