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Severe Thunderstorm Watch 703
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WW0703 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low

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 703
   NWS STORM PREDICTION CENTER NORMAN OK
   330 PM MDT FRI AUG 14 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          WESTERN NEBRASKA
          CENTRAL SOUTH DAKOTA
   
   EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 330 PM UNTIL
   1100 PM MDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
   STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH
   NORTHEAST OF PIERRE SOUTH DAKOTA TO 15 MILES SOUTH SOUTHEAST OF
   IMPERIAL NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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 702...
   
   DISCUSSION...THUNDERSTORMS ARE INCREASING AHEAD OF A WEAK UPPER
   TROUGH MOVING OVER THE CENTRAL ROCKIES.  THESE STORMS WILL BECOME
   MORE WIDESPREAD THROUGH THE EVENING...WITH VERTICAL SHEAR
   STRENGTHENING IN REGION OF MODERATE CAPE.  A FEW SEVERE STORMS WILL
   BE POSSIBLE WITH DAMAGING WINDS AND HAIL POSSIBLE.
   
   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 450. MEAN STORM
   MOTION VECTOR 25025.
   
   
   ...HART
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