The weather is just about to take a turn for the worse in the South Sumter area.  The SPC has a mesoscale discussion in place for this area that discusses the freezing precipitation The heaviest precipitation is just about to get into the area as the radar image below indicates. 

  

Heavy Precip moving NE. 

The NWS Birmingham makes the following projections on the time frame for the event. 

 

The bottom line is the storm us just now getting started.  The information from the SPC indicates that they expect this to get much worse before it gets any better.  

 

Information from the SPC.  Here is the text of the Mesoscale Discussion: 

MESOSCALE DISCUSSION 0013
NWS STORM PREDICTION CENTER NORMAN OK
0306 PM CST SUN JAN 09 2011
 
AREAS AFFECTED...CNTRL AND N-CNTRL MS / W-CNTRL AL
 
CONCERNING...WINTER MIXED PRECIPITATION
 
VALID 092106Z - 100100Z
 
INTENSIFYING MIXED PRECIP RATES ARE FORECAST TO DEVELOP OVER THE
NEXT FEW HOURS ACROSS MS AND THEN SHIFT EWD INTO W-CNTRL AL BY EARLY
EVENING.  HOURLY LIQUID EQUIVALENT PRECIP RATES RANGING FROM
0.05-0.10 INCH ARE EXPECTED FOR SEVERAL HOURS WITH LOCALLY HIGHER
RATES POSSIBLE. 
 
EARLY AFTERNOON SATELLITE IMAGERY INDICATES THAT A ZONE OF STRONG
DEEP LAYER ASCENT /DCVA/ IS MOVING ENEWD ACROSS THE SABINE RIVER
VALLEY THIS AFTERNOON AND WILL MOVE ACROSS THE LOWER MS VALLEY THIS
EVENING.  AHEAD OF THIS FEATURE...WARM CONVEYER UPGLIDE IS OCCURRING
ABOVE A SHALLOW COLD DOME THAT IS CONTINUING TO DRAW COOL/DRY AIR
INTO THE REGION FROM A SLOW TO ERODE SURFACE HIGH OVER THE OH
VALLEY.  THUS...INITIAL MOISTENING IS OCCURRING IN THE MID-LEVELS AS
SEEN BY JAN/BMX 12-18Z RAOBS.  RICHER MOISTURE CONTENT ALONG THE
GULF COAST VICINITY HAS BEGUN TO GRADUALLY MOVE NWD INTO THE LOWER
MS VALLEY PER REGIONAL RADAR MOSAIC DATA THE PAST FEW HOURS.  AS
THIS OCCURS...EXPECT THE PRE-CONDITIONED COLUMN TO SATURATE QUICKLY
AND RESULT IN WET-BULB COOLING AND ONSET OF APPRECIABLE PRECIP RATES
/0.05-0.10 INCH PER HOUR/.  FORECAST SOUNDINGS INDICATE FREEZING
RAIN WILL PRIMARILY BE THE PRECIP TYPE INVOF THE I-20 CORRIDOR WITH
SLEET/SNOW FARTHER N AND NW NEAR HWY 82.
 
..SMITH.. 01/09/2011
 
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
 
ATTN...WFO...BMX...MOB...MEG...JAN...
 
LAT...LON   32248706 31858756 31799063 32139090 32969101 33359061

            33738825 33638737 32978686 

MESOSCALE DISCUSSION 0013
NWS STORM PREDICTION CENTER NORMAN OK
0306 PM CST SUN JAN 09 2011
 
AREAS AFFECTED...CNTRL AND N-CNTRL MS / W-CNTRL AL
 
CONCERNING...WINTER MIXED PRECIPITATION 
 
VALID 092106Z - 100100Z
 
INTENSIFYING MIXED PRECIP RATES ARE FORECAST TO DEVELOP OVER THE
NEXT FEW HOURS ACROSS MS AND THEN SHIFT EWD INTO W-CNTRL AL BY EARLY
EVENING.  HOURLY LIQUID EQUIVALENT PRECIP RATES RANGING FROM
0.05-0.10 INCH ARE EXPECTED FOR SEVERAL HOURS WITH LOCALLY HIGHER
RATES POSSIBLE.  
 
EARLY AFTERNOON SATELLITE IMAGERY INDICATES THAT A ZONE OF STRONG
DEEP LAYER ASCENT /DCVA/ IS MOVING ENEWD ACROSS THE SABINE RIVER
VALLEY THIS AFTERNOON AND WILL MOVE ACROSS THE LOWER MS VALLEY THIS
EVENING.  AHEAD OF THIS FEATURE...WARM CONVEYER UPGLIDE IS OCCURRING
ABOVE A SHALLOW COLD DOME THAT IS CONTINUING TO DRAW COOL/DRY AIR
INTO THE REGION FROM A SLOW TO ERODE SURFACE HIGH OVER THE OH
VALLEY.  THUS...INITIAL MOISTENING IS OCCURRING IN THE MID-LEVELS AS
SEEN BY JAN/BMX 12-18Z RAOBS.  RICHER MOISTURE CONTENT ALONG THE
GULF COAST VICINITY HAS BEGUN TO GRADUALLY MOVE NWD INTO THE LOWER
MS VALLEY PER REGIONAL RADAR MOSAIC DATA THE PAST FEW HOURS.  AS
THIS OCCURS...EXPECT THE PRE-CONDITIONED COLUMN TO SATURATE QUICKLY
AND RESULT IN WET-BULB COOLING AND ONSET OF APPRECIABLE PRECIP RATES
/0.05-0.10 INCH PER HOUR/.  FORECAST SOUNDINGS INDICATE FREEZING
RAIN WILL PRIMARILY BE THE PRECIP TYPE INVOF THE I-20 CORRIDOR WITH
SLEET/SNOW FARTHER N AND NW NEAR HWY 82.
 
..SMITH.. 01/09/2011
 
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
 
ATTN...WFO...BMX...MOB...MEG...JAN...
 
LAT...LON   32248706 31858756 31799063 32139090 32969101 33359061

            33738825 33638737 32978686