

882 

WWUS20 KWNS 290547

SEL7

SPC WW 290547

NEZ000-291200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 237

NWS STORM PREDICTION CENTER NORMAN OK

1245 AM CDT WED MAY 29 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL NEBRASKA



* EFFECTIVE THIS WEDNESDAY MORNING FROM 1245 AM UNTIL 700 AM CDT.



* PRIMARY THREATS INCLUDE...

  A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTHWEST

OF NORTH PLATTE NEBRASKA TO 20 MILES EAST NORTHEAST OF BROKEN BOW

NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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.



&&



DISCUSSION...A LINEAR MCS WILL CONTINUE TO MOVE EWD ACROSS WCNTRL

NEB TONIGHT. THE STORMS WILL BE FUELED BY MODERATE INSTABILITY AND

ENHANCED FLOW ASSOCIATED WITH AN INTENSIFYING LOW-LEVEL JET. THIS

WILL HELP CREATE CONDITIONS FAVORABLE FOR SEVERE THUNDERSTORMS

CAPABLE OF PRODUCING ISOLATED WIND DAMAGE AND HAIL.



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 500. MEAN STORM

MOTION VECTOR 27030.





...BROYLES

