Heavy Snow
Posted by JAC on 2/10/2010, 7:36 am



MESOSCALE DISCUSSION 0115
  NWS STORM PREDICTION CENTER NORMAN OK
  0627 AM CST WED FEB 10 2010
 
  AREAS AFFECTED...MD...DE...SERN PA...NJ...CT...RI
 
  CONCERNING...HEAVY SNOW
 
  VALID 101227Z - 101730Z
 
  HEAVY SNOW WILL DEVELOP ALONG THE I-95 CORRIDOR WITH SNOW RATES OF
  1-2" COMMON BY MID-LATE MORNING.
 
  WELL DEFINED MID LEVEL CIRCULATION IS MOVING ESEWD ACROSS WV AND IS
  CURRENTLY AIDING IN THE DEEPENING OF ATTENDANT SFC LOW JUST EAST OF
  SBY...OFF THE DE/MD COAST.  SNOW/RAIN LINE WILL GRADUALLY SHIFT EAST
  ACROSS DE/CNTRL-SRN NJ...LIKELY EXTENDING ALONG THE SERN-MOST TIP OF
  NJ BY 16Z AS RAPID DEEPENING AND SLIGHT EWD MOVEMENT TRANSPIRES THIS
  MORNING.  LATEST RUC MODEL GUIDANCE...AND OBSERVATIONAL
  DATA...SUGGEST RAPID STEEPENING OF MID LEVEL LAPSE RATES WILL
  ENCOURAGE ELEVATED CONVECTION FROM MD...NEWD INTO SRN NEW
  ENGLAND...ESPECIALLY ALONG THE I-95 CORRIDOR.  ALTHOUGH LIGHTNING
  MAY NOT BE OBSERVED INLAND...SNOW RATES OF 1-2" PER HOUR COULD
  BECOME COMMON WITHIN THE STRONGER CONVECTION OVER THE NEXT FEW
  HOURS.  IN ADDITION...TIGHTENING PRESSURE GRADIENT WILL RESULT IN
  INCREASING SFC WINDS WHICH WILL RESULT IN CONSIDERABLE
  BLOWING/DRIFTING AND REDUCTION OF VISIBILITIES.
 
  ..DARROW.. 02/10/2010
 
 
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Blizzard Warning!!! - Fred, 2/10/2010, 7:18 am
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