What is perhaps the last gasp of winter is headed our way. It’s the same old story — two fronts are colliding, one cold, one wet. Where they smack into each other determines who gets the snow and sleet and who gets the cold rain. Anyway, Sunday looks messy.
Now this from our friendly forecasters at the Raleigh NWS:
THIS SINGLE-LOW SURFACE PATTERN COUPLED WITH STILL-MILD AIR ALOFT IS LIKELY TO PRODUCE CORRIDORS OF PREDOMINATE PRECIP TYPE ACROSS CENTRAL NC… AND SEVERAL HOURS OF SLEET OR A SLEET/FREEZING RAIN MIX/TRANSITION IS LIKELY LONG/WEST OF HIGHWAY 1 SUNDAY MORNING INTO EARLY AFTERNOON… BEFORE THE APPROACHING VORTEX ALOFT AND STRONG LIFT COOL THE MID LEVELS ENOUGH TO CHANGE IT ALL OVER TO SNOW BY EARLY SUNDAY EVENING. THE GFS SHOWS SOME POTENTIAL FOR SNOW BANDING SUNDAY AFTERNOON WITH CROSS SECTIONS SHOWING ZERO TO NEGATIVE SATURATED EQUIVALENT POTENTIAL VORTICITY SLOPING ABOVE LOWER LEVEL FRONTOGENESIS.
That’s right, he said frontogenesis.
One reply on “Snow, sleet for Sunday”
He also said “potential vorticity.”