MESOSCALE DISCUSSION 0018
   NWS STORM PREDICTION CENTER NORMAN OK
   1027 AM CST MON JAN 10 2011
   
   AREAS AFFECTED...MUCH OF SC AND ADJACENT SRN NC
   
   CONCERNING...FREEZING RAIN 
   
   VALID 101627Z - 102230Z
   
   FREEZING RAIN RATES IN EXCESS OF A FEW HUNDREDTHS OF AN INCH PER
   HOUR -- GREATER THAN .05" IN THREE HOURS -- ARE EXPECTED TO EXPAND
   NWD WITH TIME ACROSS THE REMAINDER OF NRN SC AND INTO NC.
   
   LATEST SURFACE ANALYSIS SHOWS SURFACE TEMPERATURES BELOW FREEZING
   ACROSS THE CAROLINAS WITH THE EXCEPTION OF COASTAL AREAS...WITH THE
   SURFACE WET-BULB ZERO LINE ROUGHLY PARALLELING THE COAST.  WHILE
   PRECIPITATION HAS SWITCHED TO RAIN IN FAR SRN SC...A MIX OF FREEZING
   RAIN AND SLEET CONTINUES ACROSS ROUGHLY THE CENTRAL THIRD OF
   SC...WITH AREAS FARTHER N INTO NRN SC AND NC REMAINING ALL SNOW
   ATTM.
   
   WITH TIME...LOW-LEVEL WARM ADVECTION WILL CONTINUE ACROSS THIS
   REGION...WITH H8 TEMPERATURES EXPECTED TO RISE A COUPLE OF DEGREES
   OVER THE NEXT 3-6 HOURS.  AS THIS OCCURS...A GRADUAL CHANGEOVER FROM
   SNOW TO SLEET -- AND THEN TO FREEZING RAIN -- WILL
   CONTINUE...SPREADING NWD INTO NC BY EARLY AFTERNOON.
   
   WITH LOW-LEVEL WARM ADVECTION AHEAD OF THE ADVANCING MID-LEVEL
   SYSTEM PROVIDING AMPLE QG FORCING FOR CONTINUED STEADY
   PRECIPITATION...FREEZING RAIN RATES OF AT LEAST A FEW HUNDREDTHS OF
   AN INCH PER HOUR CAN BE EXPECTED ACROSS MOST OF THE DISCUSSION AREA.
   
   ..GOSS.. 01/10/2011
   
   
   ATTN...WFO...MHX...RAH...ILM...CHS...CAE...GSP...
   
   LAT...LON   33347943 32928011 32808120 34138241 34668171 35427948
               35487783 35177687 34737716 34437763 34047804 33847893
               33347943