URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
305 AM EST FRI JAN 7 2011
..WINTRY PRECIPITATION EXPECTED ACROSS CENTRAL NC LATE THIS AFTERNOON
INTO TONIGHT..
A POTENT UPPER LEVEL DISTURBANCE AND ASSOCIATED SURFACE LOW PRESSURE
CENTER WILL MOVE RAPIDLY SOUTHEASTWARD ACROSS THE TENNESSEE VALLEY
AND CENTRAL APPALACHIANS TODAY...THEN EASTWARD ACROSS SOUTHERN NC
THROUGH EARLY SATURDAY MORNING. AN AREA OF LIGHT MIXED RAIN AND
SNOW WILL DEVELOP OVER THE SOUTHERN AND WESTERN NC PIEDMONT THIS
AFTERNOON...THEN RAPIDLY SPREAD EASTWARD...INCREASE IN
INTENSITY...AND CHANGE TO MOSTLY SNOW THROUGH THE EVENING HOURS.
NCZ007>011-021>028-038>043-073>078-071700-
/O.NEW.KRAH.WW.Y.0001.110107T2100Z-110108T0900Z/
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE-
ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-
WAKE-JOHNSTON-WILSON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-
INCLUDING THE CITIES OF...ROXBORO...OXFORD...HENDERSON...
WARRENTON...ROANOKE RAPIDS...WINSTON-SALEM...GREENSBORO...
HIGH POINT...BURLINGTON...CHAPEL HILL...DURHAM...LOUISBURG...
NASHVILLE...ROCKY MOUNT...LEXINGTON...ASHEBORO...PITTSBORO...
RALEIGH...SMITHFIELD...WILSON...ALBEMARLE...TROY...
SOUTHERN PINES...SANFORD...LILLINGTON...GOLDSBORO
305 AM EST FRI JAN 7 2011
..WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM EST SATURDAY...
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A WINTER
WEATHER ADVISORY FOR A LIGHT ACCUMULATION OF SNOW...WHICH IS IN
EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST SATURDAY.
* LOCATIONS AFFECTED: ALONG AND NORTH OF A LINE FROM ALBEMARLE...
TO SOUTHERN PINES...TO LILLINGTON...TO SMITHFIELD...TO
GOLDSBORO. THIS INCLUDES THE TRAID...TRIANGLE...AND ROCKY MOUNT
WILSON AREAS.
* PRECIPITATION TYPES: THE PRECIPITATION WILL BEGIN AS LIGHT RAIN OR
A MIX OF LIGHT RAIN AND SNOW THIS AFTERNOON...THEN TRANSITION TO
MAINLY OR ALL SNOW BY THIS EVENING.
* ACCUMULATION: A SWATH OF ONE TO TWO INCHES OF SNOW CAN BE EXPECTED
ACROSS THE ADVISORY AREA...BUT THE POTENTIAL EXISTS FOR A NARROW
CORRIDOR OF LOCALLY HIGHER AMOUNTS IN THE VICINITY OF US HIGHWAY
64.
* TIMING: THE PRECIPITATION WILL BEGIN IN THE WESTERN AND SOUTHERN
NORTH CAROLINA PIEDMONT BETWEEN 2 PM AND 5 PM...THEN INCREASE IN
INTENSITY AS IT SPREADS EASTWARD ACROSS THE TRIANGLE AND
SURROUNDING AREAS BETWEEN 5 PM AND 9 PM...AND INTO THE COASTAL
PLAIN BETWEEN 7 PM AND 11 PM. SNOW WILL THEN TAPER OFF FROM WEST
TO EAST BETWEEN 9 PM AND MIDNIGHT OVER THE WESTERN HALF OF THE
ADVISORY AREA...AND BETWEEN 1 AM AND 4 AM OVER THE EASTERN HALF.
* IMPACTS: TEMPERATURES IN THE 40S TODAY WILL CAUSE ROADS TO
REMAIN MAINLY WET INITIALLY. HOWEVER...A SLUSHY ACCUMULATION OF
SNOW WILL OCCUR ON ROADS WHEN TEMPERATURES FALL TO AROUND OR
JUST ABOVE FREEZING WHILE THE MAJORITY OF THE PRECIPITATION...IN
THE FORM OF SNOW...FALLS THIS EVENING. ONCE THE PRECIPITATION
TAPERS OFF...TEMPERATURES WILL DIP INTO THE MIDDLE AND UPPER 20S
AND CAUSE THE SLUSH AND ANY WATER TO FREEZE SOLIDLY. A SLIPPERY
MESS OF FROZEN SLUSH...SNOW...AND BLACK ICE WILL MAKE TRAVEL
TREACHEROUS TONIGHT THROUGH SATURDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
