WWUS20 KWNS 212346
SEL5
SPC WW 212346
NEZ000-220500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 495
NWS STORM PREDICTION CENTER NORMAN OK
650 PM CDT WED AUG 21 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  CENTRAL NEBRASKA

* EFFECTIVE THIS WEDNESDAY NIGHT FROM 650 PM UNTIL MIDNIGHT CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 65 MILES SOUTHWEST
OF MULLEN NEBRASKA TO 30 MILES SOUTH SOUTHEAST OF ONEILL
NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 494...

DISCUSSION...SCATTERED THUNDERSTORMS ARE DEVELOPING ALONG A
SLOW-MOVING FRONT IN CENTRAL NEB...AND ADDITIONAL STORM DEVELOPMENT
IS EXPECTED THROUGH THIS EVENING.  THOUGH VERTICAL WIND SHEAR IS
RATHER MODEST...STRONG INSTABILITY WILL SUPPORT A RISK FOR DAMAGING
GUSTS AND MARGINALLY SEVERE HAIL WITH THE STRONGER STORMS/CLUSTERS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION
VECTOR 26020.


...THOMPSON