MESOSCALE DISCUSSION 1213
   NWS STORM PREDICTION CENTER NORMAN OK
   1048 AM CDT MON JUN 30 2014

   AREAS AFFECTED...NERN NEB INTO WEST CENTRAL AND CENTRAL IA

   CONCERNING...TORNADO WATCH 373...

   VALID 301548Z - 301715Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 373 CONTINUES.

   SUMMARY...THROUGH AT LEAST 16-17Z...AN INCREASING THREAT FOR
   DAMAGING WINDS EXISTS FROM FAR NERN NEBRASKA INTO WEST CENTRAL AND
   CENTRAL IOWA ATTENDANT TO A FAST-MOVING BOWING LINE OF STORMS.

   DISCUSSION...TRENDS IN MORNING RADAR IMAGERY SHOWED CLUSTERS OF
   STORMS HAD GROWN UPSCALE INTO A FAST-MOVING BOWING LINE OF
   STORMS...NOW LOCATED IN FAR NERN NEB.  THIS BOW...MOVING EAST AT 50
   KT...PRODUCED AN OBSERVED WIND GUST TO 51 KT AT 1450Z AT NORFOLK,
   NEBRASKA AND WILL BEGIN TO AFFECT ADJACENT WEST CENTRAL IA /SRN
   PLYMOUTH COUNTY TO HARRISON COUNTY/ BY 16Z.  AT THAT FAST FORWARD
   SPEED...SIGNIFICANT WIND DAMAGE IS POSSIBLE.  THE EWD TRACK IS
   EXPECTED TO BE MAINTAINED...AT LEAST IN THE SHORT TERM /THROUGH
   17-18Z/...WITH THIS BOW MOVING ALONG A STRONG INSTABILITY GRADIENT.

   ..PETERS.. 06/30/2014


   ATTN...WFO...DMX...FSD...OAX...

   LAT...LON   41769722 42029689 42389678 42559676 42519554 42489406
               42219394 41619426 41549471 41619627 41769722