Dec 11

Written by: jserigny
12/11/2008 9:26 AM

Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
809 AM CST THU DEC 11 2008

... ...A WINTRY MIX OF PRECIPITATION IS EXPECTED THIS MORNING...

.A STRONG AND COLD UPPER LEVEL STORM SYSTEM COMBINED WITH LOW PRESSURE OVER THE FLORIDA PANHANDLE WILL CAUSE RAIN TO MIX WITH SLEET AND SNOW THIS MORNING ACROSS EAST CENTRAL LOUISIANA... SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST MISSISSIPPI AND COASTAL MISSISSIPPI. THE WINTRY MIX HAS CHANGED OVER TO MOSTLY SNOW... DURING OF THE MORNING RUSH HOUR ACROSS BATON ROUGE...THE NORTH SHORE OF LAKE PONTCHARTRAIN...AND BEGINNING TO CHANGE OVER ON THE SOUTH SHORE. AND THIS SNOW IS EXPECTED TO CONTINUE TO SPREAD EAST THIS MORNING. THE GROUND IS EXPECTED TO REMAIN WARM WITH TEMPERATURES ABOVE FREEZING...HOWEVER TWO TO FOUR INCHES OF SNOW ACCUMULATION WILL BE POSSIBLE ON GRASSY AREAS...AND ELEVATED ROAD SURFACES LIKE BRIDGES AND OVERPASSES. SNOW ACCUMULATION OF TWO INCHES ON HIGHWAYS AND ROADWAYS. MANY ACCIDENTS WERE STATE POLICE THIS MORNING IN THE BATON ROUGE AND THIS THREAT WILL SPREAD EAST.

LAZ059>065-MSZ081-082-111800-
/O.UPG.KLIX.WW.Y.0002.000000T0000Z-081211T1800Z/
/O.EXA.KLIX.WS.W.0001.000000T0000Z-081211T1800Z/
UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON-ORLEANS-
UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE-HARRISON-
JACKSON-
INCLUDING THE CITIES OF...THIBODAUX...RACELAND...LAROSE...
DESTREHAN...NORCO...METAIRIE...KENNER...NEW ORLEANS...
BELLE CHASSE...CHALMETTE...VIOLET...HOUMA...BAYOU CANE...
GULFPORT...BILOXI...PASCAGOULA...OCEAN SPRINGS...MOSS POINT...
GAUTIER...ST. MARTIN
809 AM CST THU DEC 11 2008

...WINTER STORM WARNING IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

A COLD AND POTENT STORM SYSTEM WILL CAUSE A MIX OF COLD RAIN AND SNOW THIS MORNING TO SWITCH OVER TO MAINLY SNOW BEFORE 10 AM. TEMPERATURES ARE EXPECTED TO REMAIN NEAR OR JUST ABOVE FREEZING WITH THE GROUND REMAINING RELATIVELY WARM...HOWEVER OCCASIONAL HEAVY BURSTS OF SNOW MAY CAUSE ONE TO TWO INCHES OF ACCUMULATION IN GRASSY AREAS WITH SOME ICING AND SLUSHY CONDITIONS POSSIBLE ON
ELEVATED BRIDGES AND OVERPASSES. THE SNOW IS EXPECTED TO CHANGE BACK TO A MIX OF LIGHT RAIN AND LIGHT SLEET AROUND NOON...THEN END AS ALL LIGHT RAIN DURING THE EARLY TO MID AFTERNOON HOURS AS TEMPERATURES WARM BACK TO THE LOWER TO MIDDLE 40S.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

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