...WINTER STORM WARNING IN EFFECT FROM 6 AM TUESDAY TO 1 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 AM TUESDAY TO 1 AM EST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...THE EAST COAST OF MASSACHUSETTS FROM BOSTON NORTH... AS WELL AS NORFOLK AND SOUTHEAST MIDDLESEX COUNTIES IN MASSACHUSETTS. * HAZARD TYPES...HEAVY SNOW. * ACCUMULATIONS...12 TO 16 INCHES OF SNOW THROUGH WEDNESDAY EVENING. * TIMING...SNOW WILL OVERSPREAD THIS REGION LATE TONIGHT...LIKELY AFFECTING THE TUESDAY MORNING COMMUTE. SNOW CONTINUES THROUGH THE DAY...FOLLOWED BY A BRIEF BREAK TUESDAY EVENING. MORE SNOW THEN SHOULD ARRIVE LATE TUESDAY NIGHT INTO WEDNESDAY. IT IS POSSIBLE FOR SOME SLEET TO MIX WITH THE SNOW SOUTH OF ROUTE 2 AND ALONG THE IMMEDIATE COAST WEDNESDAY AFTERNOON. * IMPACTS...SIGNIFICANT SNOW AND SLEET ACCUMULATIONS WILL MAKE TRAVEL ON UNTREATED SURFACES TREACHEROUS. THE ADDITIONAL SNOW... OR EVEN WORSE HEAVIER SLEET...COULD FURTHER STRAIN WEAKER STRUCTURES AND TREE LIMBS. POWER LINES MAY ALSO BE DOWNED... RESULTING IN ISOLATED POWER OUTAGES. * WINDS...NORTH 15 TO 25 MPH. * TEMPERATURES...IN THE LOWER 20S THROUGH TUESDAY NIGHT. HIGHS AROUND 30 WEDNESDAY. * VISIBILITIES...ONE HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING IS ISSUED WHEN AN AVERAGE OF 6 OR MORE INCHES OF SNOW IS EXPECTED IN A 12 HOUR PERIOD...OR FOR 8 OR MORE INCHES IN A 24 HOUR PERIOD. TRAVEL WILL BE SLOW AT BEST ON WELL TREATED SURFACES...AND QUITE DIFFICULT ON ANY UNPLOWED OR UNTREATED SURFACES. &&