MESOSCALE DISCUSSION 1042
   NWS STORM PREDICTION CENTER NORMAN OK
   1123 PM CDT TUE JUN 16 2015

   AREAS AFFECTED...SCNTRL NEB

   CONCERNING...TORNADO WATCH 305...

   VALID 170423Z - 170500Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 305 CONTINUES.

   SUMMARY...THE SEVERE THREAT ACROSS CNTRL AND SRN NEB HAS BECOME
   MARGINAL LATE THIS EVENING. FOR THIS REASON...WW 305 WILL BE ALLOWED
   TO EXPIRE AT 05Z.

   DISCUSSION...A CLUSTER OF THUNDERSTORMS IS ONGOING IN SCNTRL NEB
   LATE THIS EVENING ALONG THE ERN EDGE OF A CORRIDOR OF WEAK TO
   MODERATE INSTABILITY. ALTHOUGH THE WSR-88D VWP AT HASTINGS APPEARS
   TO HAVE STRONG ENOUGH DEEP-LAYER SHEAR FOR A MARGINAL SEVERE
   THREAT...INSTABILITY WILL CONTINUE TO WEAKEN OVER THE NEXT HOUR.
   THIS SHOULD RESULT IN A DECREASE OF ANY WIND DAMAGE POTENTIAL WITH
   THE CLUSTER OF STORMS...CURRENTLY NEAR MCCOOK NEB. FOR THIS
   REASON...NO ADDITIONAL WW ISSUANCE WILL BE NECESSARY ACROSS SRN NEB.

   ..BROYLES/MEAD.. 06/17/2015


   ATTN...WFO...OAX...GID...LBF...GLD...

   LAT...LON   41049781 40419785 40109820 39969915 40120103 40790195
               41350159 41980011 42019937 41639833 41549817 41049781