...White Christmas?...

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
848 AM CST THU DEC 23 2010

TNZ005>011-022>034-056>066-075-077>080-093>095-241500-
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-BENTON-
HOUSTON-HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-
SMITH-JACKSON-PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS-
WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-WHITE-
CUMBERLAND-BEDFORD-COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE-
GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...BYRDSTOWN...CAMDEN...ERIN...
WAVERLY...DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...
MOUNT JULIET...HARTSVILLE...CARTHAGE...GAINESBORO...COOKEVILLE...
LIVINGSTON...JAMESTOWN...LOBELVILLE...CENTERVILLE...HOHENWALD...
FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...MURFREESBORO...
WOODBURY...SMITHVILLE...SPARTA...CROSSVILLE...SHELBYVILLE...
TULLAHOMA...MANCHESTER...MCMINNVILLE...ALTAMONT...SPENCER...
WAYNESBORO...LAWRENCEBURG...PULASKI
848 AM CST THU DEC 23 2010

...POTENTIAL EXISTS FOR FIRST MEASURABLE SNOWFALL ON CHRISTMAS IN
17 YEARS...


A STORM SYSTEM WILL MOVE THROUGH THE SOUTHERN ROCKIES AND INTO
THE SOUTHERN PLAINS TODAY BEFORE HEADING INTO THE SOUTHEASTERN
STATES THIS WEEKEND INCLUDING MIDDLE TENNESSEE.

MOISTURE WILL BE DRAWN NORTH AHEAD OF THE LOW PRESSURE SYSTEM AS
COLDER AIR SINKS SOUTHWARD. A MIX OF SNOW...SLEET AND RAIN IS
EXPECTED FRIDAY NIGHT...WITH SNOW CONTINUING INTO SATURDAY NIGHT.
AT THIS TIME...AN ACCUMULATING SNOW IS EXPECTED WITH UP TO TWO
INCHES OVER MOST PARTS OF THE MID STATE AND UP TO THREE INCHES
ALONG THE CUMBERLAND PLATEAU BY LATE SUNDAY.
SOME...UNCERTAINITY
REMAINS IN THE EVENTUAL TRACK OF THE STORM SYSTEM AND SNOW
AMOUNTS.

PEOPLE PLANNING TRAVEL ON CHRISTMAS EVE OR CHRISTMAS DAY...MAY
WANT TO CONSIDER TRAVELING EARLIER...PERHAPS THURSDAY OR FRIDAY
AS IT APPEARS THE WINTRY PRECIPITATION COULD BEGIN IN MIDDLE
TENNESSEE AS EARLY AS LATE FRIDAY AFTERNOON...AS ROAD CONDITIONS
WILL LIKELY DETERIORATE QUICKLY ONCE THE SNOW BEGINS.


THERE HAVE BEEN ONLY NINE CHRISTMASES WITH MEASURABLE AMOUNTS OF
SNOW SINCE SNOWFALL RECORD KEEPING BEGAN IN NASHVILLE BACK IN THE
WINTER OF 1884 AND 1885. THE LAST TIME MEASURABLE SNOW FELL ON
CHRISTMAS DAY IN NASHVILLE WAS IN 1993 WHEN THREE TENTHS OF AN
INCH WAS MEASURED. TRACE AMOUNTS OF SNOW FELL ON CHRISTMAS IN
2002. STATISTICALLY THERE IS ONLY A 7 PERCENT CHANCE OF MEASURABLE
SNOW ON ANY GIVEN CHRISTMAS. THE MOST SNOW EVER TO FALL ON
CHRISTMAS IN NASHVILLE IS 2.7 INCHES IN 1969.

$$
BOYD


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