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Severe Thunderstorm Watch 426
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WW0426 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
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.
   SEL6

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 426
   NWS STORM PREDICTION CENTER NORMAN OK
   830 PM MDT SAT JUL 30 2016

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     WESTERN NEBRASKA
     SOUTHWESTERN SOUTH DAKOTA

   * EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 830 PM
     UNTIL 300 AM MDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
       MPH POSSIBLE
     ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

   SUMMARY...A CLUSTER OF SEVERE THUNDERSTORMS OVER THE BLACK HILLS
   APPEARS TO HAVE INCREASING POTENTIAL FOR GROWTH INTO A LARGER
   COMPLEX OF STORMS...MOVING SOUTHEASTWARD NEAR A BOUNDARY FROM
   EARLIER ACTIVITY INTO NEBRASKA...WITH SOME LATERAL EXPANSION
   POSSIBLE.  DAMAGING GUSTS ARE THE MAIN HAZARD...WITH LARGE HAIL ALSO
   A THREAT.

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
   STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES NORTH
   NORTHEAST OF CHADRON NEBRASKA TO 10 MILES SOUTHWEST OF NORTH
   PLATTE NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

   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 425...

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 32035.


   ...EDWARDS
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Page last modified: July 31, 2016
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