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Mesoscale Discussion 138
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   MESOSCALE DISCUSSION 0138
   NWS STORM PREDICTION CENTER NORMAN OK
   0634 AM CST WED FEB 24 2016

   AREAS AFFECTED...E-CNTRL IL...NWRN IND...SWRN LOWER MI

   CONCERNING...HEAVY SNOW 

   VALID 241234Z - 241730Z

   SUMMARY...SNOWFALL RATES WILL APPROACH ONE INCH PER HR THROUGH LATE
   MORNING ACROSS E-CNTRL IL INTO SWRN LOWER MI. STRONG NELY WINDS WILL
   CREATE LOCALIZED REDUCTIONS IN VISIBILITY.

   DISCUSSION...RECENT RADAR TRENDS SHOW THE NEWD EXTENSION OF A
   DEFORMATION BAND OF SNOW FIRMING OVER THE PAST 1-2 HRS FROM E-CNTRL
   IL INTO NWRN IND. HERE...SFC OBS INDICATE TEMPERATURES ARE IN THE
   MID-30S F...BUT CONTINUED WET-BULB/DYNAMIC LOW-LEVEL COOLING WILL
   SUPPORT A PREDOMINANT PRECIPITATION TYPE OF SNOWFALL. THE PARENT
   700-MB LOW WILL SHIFT NEWD OUT OF THE LOWER OH VALLEY...MAINTAINING
   A DEFORMATION ZONE FROM CNTRL IL INTO SWRN MI THROUGH LATE MORNING.
   MULTIPLE HOURS OF SNOWFALL RATES NEAR 1 INCH PER HR WILL BE POSSIBLE
   AS THE PRIMARY BAND EXHIBITS LITTLE MOVEMENT. NELY WINDS OF 20-25
   MPH WITH HIGHER GUSTS WILL ALSO LEAD TO REDUCTIONS IN VISIBILITY.

   ..ROGERS.. 02/24/2016


   ATTN...WFO...IWX...GRR...IND...LOT...ILX...

   LAT...LON   41958549 41058666 40138786 39888836 39768888 39998920
               40618883 41408758 41828671 42348626 42358587 42268563
               41958549 

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Page last modified: February 24, 2016
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