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Mesoscale Discussion 861
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   MESOSCALE DISCUSSION 0861
   NWS STORM PREDICTION CENTER NORMAN OK
   0259 AM CDT FRI JUN 10 2016

   AREAS AFFECTED...NORTHEAST ND...NORTHWEST MN

   CONCERNING...SEVERE THUNDERSTORM WATCH 241...

   VALID 100759Z - 100900Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 241
   CONTINUES.

   SUMMARY...STRONG TO SEVERE WIND GUSTS MAY PERSIST THROUGH ABOUT 10Z
   WITHIN AN INCREASINGLY CONFINED SWATH OF NORTHEAST ND TO A TIER OF
   NORTHWEST MN COUNTIES. A MUCH MORE STABLE/DRIER AIR MASS TO THE EAST
   IN NORTHERN MN SHOULD YIELD A SUBSTANTIALLY WEAKENING RISK TOWARDS
   SUNRISE.

   DISCUSSION...STRONG TO SEVERE WIND GUSTS CONTINUE ALONG THE PORTION
   OF THE QLCS /CENTERED ON NELSON COUNTY ND AS OF 0750Z/ THAT
   ACCELERATED IN FORWARD SPEED TO 45-50 KT. CURRENT EXTRAPOLATION
   SUGGESTS THIS WILL REACH THE GRAND FORKS AREA IN THE NEXT HOUR. EAST
   OF THE RED RIVER VALLEY...A ROBUST SURFACE DEW POINT GRADIENT EXISTS
   ACROSS NORTHERN MN WITHIN A PERSISTENT SURFACE RIDGE EMANATING FROM
   AN ANTICYCLONE OVER EASTERN ONTARIO. EXPECTATION IS FOR THE QLCS TO
   WEAKEN SIGNIFICANTLY AS IT ENCOUNTERS THIS INCREASINGLY STABLE AIR
   MASS TO THE EAST. AS SUCH...A NEW WW ISSUANCE IS NOT ANTICIPATED.

   ..GRAMS.. 06/10/2016


   ATTN...WFO...FGF...

   LAT...LON   48519800 48559736 48519680 48369656 47909646 47489652
               47319696 47289758 47379799 47649800 48029789 48519800 

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