MESOSCALE DISCUSSION 0016
   NWS STORM PREDICTION CENTER NORMAN OK
   1056 PM CST SUN JAN 09 2011
   
   AREAS AFFECTED...S-CNTRL THROUGH SERN TN...NRN AL AND NRN GA THROUGH
   WRN SC AND SWRN NC
   
   CONCERNING...HEAVY SNOW 
   
   VALID 100456Z - 101000Z
   
   BANDS OF MODERATE TO HEAVY SNOW WITH RATES LOCALLY 1-1.5 INCHES PER
   HOUR WILL CONTINUE DEVELOPING NEWD THROUGH NE AL...NRN GA...S-CNTRL
   THROUGH SERN TN...SWRN NC AND WRN SC THROUGH THE EARLY MORNING. SOME
   SLEET COULD MIX WITH THE SNOW ACROSS PARTS OF NRN AL AND NRN GA.
   
   STRONG SLY 60+ KT LLJ WILL LIFT NEWD THROUGH AL AND GA INTO THE
   EARLY MORNING IN ASSOCIATION WITH AN EJECTING NEGATIVELY TILTED
   SHORTWAVE TROUGH CURRENTLY LOCATED OVER MS. STRONG FRONTOGENETIC
   FORCING AND ISENTROPIC LIFT ASSOCIATED WITH THIS FEATURE HAS
   RESULTED IN BANDS OF WIDESPREAD MODERATE TO LOCALLY HEAVY SNOW FROM
   NRN MS...NRN AL AND NRN GA INTO SRN TN. STEEPER MID-LEVEL LAPSE
   RATES DEVELOPING WITHIN ZONE OF STRONGER ASCENT HAVE RESULTED IN
   SOME CONVECTIVE ENHANCEMENT TO THE SNOW WHERE LIGHTNING HAS RECENTLY
   BEEN OBSERVED ACROSS NRN AL. RUC SOUNDINGS INDICATE PRESENCE OF A
   DEEP QUASI-ISOTHERMAL LAYER WITH TEMPERATURES FROM 0 TO -5C BETWEEN
   THE SURFACE AND 700 MB SUPPORTIVE OF AN EFFICIENT AGGREGATION
   PROCESS. ZONE OF HEAVIER SNOW WILL EXPAND NEWD WITH
   TIME...EVENTUALLY INTO SERN TN AND THE WRN CAROLINAS.
   
   ..DIAL.. 01/10/2011
   
   
   ATTN...WFO...GSP...MRX...FFC...OHX...BMX...HUN...
   
   LAT...LON   34288224 34468585 35358650 35628507 35088186 34288224