Winter Weather Advisory

...WINTRY WEATHER EXPECTED TONIGHT ACROSS SOUTHERN INDIANA AND PORTIONS OF NORTH-CENTRAL KENTUCKY...

.A QUICK MOVING LOW PRESSURE SYSTEM IS FORECAST TO MOVE NORTHEASTWARD ACROSS CENTRAL KENTUCKY TONIGHT. AS THIS SYSTEM MOVES IN...WIDESPREAD PRECIPITATION IS EXPECTED TO BREAK OUT THIS EVENING AND OVERNIGHT. WITH A SHALLOW ARCTIC AIRMASS IN PLACE...MAINLY IN AREAS NORTH OF THE OHIO RIVER...THE PRECIPITATION IS LIKELY TO START OFF AS A MIX OF RAIN AND FREEZING RAIN AND THEN CHANGE OVER TO FREEZING RAIN OVERNIGHT. AS THE SYSTEM PULLS OFF TO THE EAST LATE TONIGHT...RAIN ACROSS PORTIONS OF NORTH-CENTRAL KENTUCKY WILL LIKELY TRANSITION OVER TO FREEZING RAIN AS LOW-LEVEL COLD AIR SURGES BACK INTO THE REGION. AT THIS TIME...THE MOST SIGNIFICANT ICING POTENTIAL EXISTS NORTH OF A LINE FROM JASPER INDIANA TO BEDFORD KENTUCKY.

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM EST /MIDNIGHT CST/ TO 11 AM EST /10 AM CST/ SATURDAY...

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A WINTER WEATHER ADVISORY FOR A WINTRY MIX OF FREEZING RAIN AND RAIN...WHICH IS IN EFFECT FROM 1 AM EST /MIDNIGHT CST/ TO 11 AM EST /10 AM CST/ SATURDAY. * TIMING: PRECIPITATION IS EXPECTED TO DEVELOP THIS EVENING ACROSS THE ADVISORY AREA. THE INITIAL PRECIPITATION MAY START OFF AS A MIX OF RAIN AND FREEZING RAIN BEFORE CHANGING OVER TO PLAIN RAIN FOR SEVERAL HOURS. LATE TONIGHT...COLD AIR IS FORECAST TO RUSH BACK INTO THE REGION AND PRECIPITATION IS LIKELY TO CHANGE THE RAIN BACK OVER TO FREEZING RAIN BEFORE THE PRECIPITATION ENDS SATURDAY MORNING. * MAIN IMPACT: THE FREEZING RAIN WILL LIKELY RESULT IN A GLAZING OF ICE ON AREA SIDEWALKS...DRIVEWAYS AND UNTREATED ROADWAYS IN THE ADVISORY AREA. IN GENERAL...A TENTH OF AN INCH OF ICE ACCUMULATION IS EXPECTED. HOWEVER...SHOULD TEMPERATURES NOT WARM UP AS MUCH AS FORECAST...ICE ACCUMULATIONS MAY BE HIGHER. NONETHELESS...THE FREEZING RAIN WILL RESULT IN VERY HAZARDOUS DRIVING CONDITIONS LATE TONIGHT. USE EXTREME CAUTION IF YOU MUST TRAVEL OVERNIGHT...ESPECIALLY IN THE ADVISORY AREA. * OTHER IMPACTS: THE FREEZING RAIN WILL LIKELY GLAZE ELEVATED OBJECTS SUCH AS TREES AND POWER LINES. IF SIGNIFICANT ICING DEVELOPS...SOME POWER OUTAGES WILL BE POSSIBLE.