Last Updated: 628 PM Thursday, December 4 2008
.AVIATION /23Z THURSDAY THROUGH TUESDAY/...
COLD FRONT NOW LOCATED JUST WEST OF LYH SOUTH TO THE NC FOOTHILLS.
PRECIPITATION IN THE FORM OF LIGHT RAIN SHOWERS HAS PROGRESSED
EAST TO THE FOOTHILLS RIGHT BEHIND THE FRONT. THERE WILL BE A
QUICK WIND SHIFT AND INCREASE IN SPEED DURING FRONTAL
PASSAGE...THEN WINDS SLACKEN SOMEWHAT IN THE PIEDMONT THIS EVENING
ONCE THE FRONT MOVE FURTHER EAST. PRECIP OVERALL WILL BE LIGHT NOT
CAUSING ANY OBSTRUCTION TO VSBYS OUT EAST. CIGS WILL REMAIN MVFR
AT ROANOKE UNTIL 03Z B4 INCREASING TO VFR THEREAFTER.
IN THE MOUNTAINS...PRECIP HAS BEGUN CHANGING TO SNOW AS THE COLD
AIR PUSHES IN. RADAR INDICATES THE BACK SIDE OF THE PRECIPITATION
WILL BE THRU BLF BEFORE MIDNIGHT...ALTHOUGH SOME LINGERING
MOISTURE WILL KEEP FLURRIES AROUND IN LWB TIL DAWN. AT BLF...LOW
CIGS AND VSBYS OCCASIONALLY DOWN TO 1-2 MILES CAN BE EXPECTED
UNTIL 02Z. CIGS WILL STAY DOWN THROUGH 12Z AT BLF THEN DRIER AIR
SHOULD DRIVE AWAY THE LOW CLOUDS AROUND DAWN. VFR CONDITIONS ON
FRIDAY UNDER HIGH PRESSURE.
ALL SITES SHOULD BE VFR INTO SATURDAY MORNING.. A CLIPPER LOW
PRESSURE WILL BRING A CHANCE OF LIGHT SNOW TO MOST OF THE
AREA...BUT ESPECIALLY BLF AND LWB SITES...SAT AFTERNOON AND
EVENING. COLD NORTHWEST FLOW BEHIND THE CLIPPER LATER SATURDAY
NIGHT INTO SUNDAY WILL GENERATE UPSLOPE SNOW SHOWERS AND PERIODS
OF MVFR TO IFR FOR BLF AND LWB.
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