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Mesoscale Discussion 1060
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   MESOSCALE DISCUSSION 1060
   NWS STORM PREDICTION CENTER NORMAN OK
   0536 AM CDT WED JUN 18 2014

   AREAS AFFECTED...SW WI...NE IA

   CONCERNING...SEVERE THUNDERSTORM WATCH 320...

   VALID 181036Z - 181130Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 320
   CONTINUES.

   SUMMARY...STRONG WIND GUSTS MAY PRODUCE ISOLATED DAMAGING
   WINDS...BUT OVERALL RISK SHOULD WANE THIS MORNING WITH ADDITIONAL
   WW/S NOT ANTICIPATED.

   DISCUSSION...NRN PORTION OF A QLCS CROSSING THE MS RIVER NEAR LA
   CROSSE HAS HAD THE TIGHTEST REFLECTIVITY GRADIENT ALONG IT...AS IT
   ACCELERATED EWD TO AROUND 40-45 KT FORWARD SPEED. SW WI APPEARS TO
   HAVE THE HIGHEST POTENTIAL FOR STRONG WIND GUSTS CAPABLE OF ISOLATED
   DAMAGING WINDS DURING THE NEXT HOUR OR SO. 

   FARTHER SW...CONVECTION HAS STRUGGLED TO INTENSIFY WITH ORIENTATION
   MORE PARALLEL TO THE MEAN FLOW. WITH THE LLJ FORECAST TO SUBSIDE
   OVER THE NEXT FEW HOURS...SUBSTANTIAL INTENSIFICATION OF THE MCS IS
   NOT ANTICIPATED AND HEAVY RAIN SHOULD REMAIN THE PREDOMINANT
   LINGERING RISK.

   ..GRAMS.. 06/18/2014


   ATTN...WFO...GRB...MKX...DVN...ARX...DMX...

   LAT...LON   42039136 42269333 42529414 42789410 42909364 42819282
               43059207 43959146 44319119 44339039 44258975 43858902
               43568901 43048909 42578938 42179010 42039136 

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Page last modified: June 18, 2014
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