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Severe Thunderstorm Watch 163
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WW0163 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 163
   NWS STORM PREDICTION CENTER NORMAN OK
   155 PM CDT THU MAY 16 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   
   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHWEST KANSAS
     SOUTHWEST AND SOUTH CENTRAL NEBRASKA
   
   * EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 155 PM UNTIL
     800 PM CDT.
   
   * PRIMARY THREATS INCLUDE...
     SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
       INCHES IN DIAMETER POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF
   NORTH PLATTE NEBRASKA TO 40 MILES WEST SOUTHWEST OF HILL CITY
   KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
   WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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...STORMS HAVE FORMED IN AN ARC IN ADVANCE OF A
   SMALL-SCALE VORTICITY MAX MOVING ENEWD ACROSS NERN CO.  STEEP LAPSE
   RATES...SUFFICIENT MOISTURE...AND ENHANCED SWLY FLOW ALOFT IN THE
   WAKE OF AN MCV OVER NORTH CENTRAL NEB ARE PROVIDING A FAVORABLE
   ENVIRONMENT FOR SEVERE STORMS TO CONTINUE INTO THE AFTERNOON.
   
   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 25025.
   
   
   ...WEISS
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