Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOUISVILLE KY 426 AM EST TUE MAR 5 2013 ...ACCUMULATING SNOW LIKELY TONIGHT INTO WEDNESDAY MORNING... .A SURFACE LOW PRESSURE WILL COMBINE WITH A POTENT UPPER LOW OVER THE OHIO VALLEY TO PRODUCE ACCUMULATING SNOW OVER SOUTHERN INDIANA AND PORTIONS OF CENTRAL KENTUCKY TONIGHT INTO WEDNESDAY MORNING. AS COLD AIR RUSHES INTO THE REGION THIS EVENING...A CHANGE OVER FROM RAIN TO SNOW WILL OCCUR WITH SNOW CONTINUING THROUGH THE OVERNIGHT HOURS AND INTO WEDNESDAY MORNING. SOME BANDS OF MODERATE TO HEAVY SNOW MAY DEVELOP TONIGHT OR EARLY WEDNESDAY MORNING. SNOW ACCUMULATIONS OF 1 TO 4 INCHES WILL BE POSSIBLE ACROSS THE ADVISORY AREA. SNOW IS EXPECTED TO TAPER OFF BY LATE MORNING OR EARLY AFTERNOON WEDNESDAY.