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Tornado Watch 223
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WW0223 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate 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
   TORNADO WATCH NUMBER 223
   NWS STORM PREDICTION CENTER NORMAN OK
   735 PM CDT SUN MAY 26 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF 
     CENTRAL NEBRASKA

   * EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 735 PM
     UNTIL 200 AM CDT.

   * PRIMARY THREATS INCLUDE...
     SEVERAL TORNADOES POSSIBLE
     SEVERAL VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER
       POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST NORTHWEST OF
   BROKEN BOW NEBRASKA TO 50 MILES SOUTH OF NORFOLK NEBRASKA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU3).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 222...

   DISCUSSION...SURFACE-BASED THUNDERSTORM DEVELOPMENT APPEARS TO BE
   UNDERWAY ALONG THE STALLED SURFACE FRONT IN CENTRAL NEB.  BOUNDARY
   LAYER DEWPOINTS IN THE UPPER 60S AND STEEP MIDLEVEL LAPSE RATES ARE
   CONTRIBUTING TO MLCAPE AOA 3000 J/KG...WHILE LOW-LEVEL SHEAR IS
   STRONGEST ALONG THE BOUNDARY AND DEEP-LAYER SHEAR IS SUFFICIENT FOR
   SUPERCELLS.  THE INITIAL DISCRETE DEVELOPMENT WILL POSE A RISK FOR
   ISOLATED VERY LARGE HAIL AND A COUPLE OF TORNADOES.  LATER
   TONIGHT...AN INCREASE IN THE LLJ COULD ALSO SUPPORT ADDITIONAL
   SLIGHTLY ELEVATED STORM DEVELOPMENT ON THE COOL SIDE OF THE
   BOUNDARY...WITH A CONTINUED RISK FOR LARGE HAIL AND A FEW DAMAGING
   GUSTS AS STORMS CONGEAL INTO A CLUSTER OR TWO.

   AVIATION...TORNADOES AND 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
   600. MEAN STORM MOTION VECTOR 26020.


   ...THOMPSON
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Page last modified: May 27, 2013
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