MESOSCALE DISCUSSION 0036
   NWS STORM PREDICTION CENTER NORMAN OK
   1048 AM CST TUE JAN 15 2013
   
   AREAS AFFECTED...PARTS OF THE MID-SOUTH
   
   CONCERNING...FREEZING RAIN 
   
   VALID 151648Z - 152115Z
   
   SUMMARY...SCATTERED SHOWERS OF FREEZING RAIN WILL LIKELY YIELD ICE
   ACCUMULATION RATES OF 0.02-0.10 IN/HR DEVELOPING INTO NWRN MS/WRN TN
   THROUGH MID-AFTERNOON.
   
   DISCUSSION...DOWNSTREAM OF A POSITIVE-TILT LONG WAVE TROUGH FROM THE
   UPPER MIDWEST TO THE SRN HIGH PLAINS...PERSISTENT LOW/MID-LEVEL
   ISENTROPIC LIFT HAS SUPPORTED A BROAD SWATH OF SCATTERED TO NUMEROUS
   SHOWERS DEVELOPING E/NEWD ACROSS THE LOWER MS VALLEY. WITH MODEST
   N/NELY SURFACE WINDS AND ABUNDANT DOWNSTREAM CLOUD COVERAGE
   RETARDING SURFACE HEATING...MORNING MODEL GUIDANCE APPEARS LARGELY A
   FEW DEGREES TOO WARM WHEN COMPARED TO 16Z SURFACE OBSERVATIONS WITH
   THE OBSERVED FREEZING LINE RUNNING ROUGHLY FROM MLU TO BNA. GIVEN
   THE PRONOUNCED WARM NOSE SAMPLED IN 12Z BNA/SHV RAOBS ATOP THE
   SURFACE BELOW-FREEZING LAYER...FREEZING RAIN THAT HAS BEEN OCCURRING
   IN SRN AR AND FAR NRN LA WILL LIKELY BECOME MORE PREVALENT IN NWRN
   MS AND WRN TN IN THE EARLY AFTERNOON...INCLUDING THE MEMPHIS METRO
   AREA.
   
   ..GRAMS.. 01/15/2013
   
   
   ATTN...WFO...OHX...PAH...MEG...JAN...LZK...
   
   LAT...LON   35768986 36368888 36588811 36678771 36258719 35588780
               34378938 33639034 33369092 33869125 34419113 34919089
               35768986