URGENT - WINTER WEATHER MESSAGE National Weather Service Cleveland OH 215 PM EST Thu Jan 17 2019 ...A winter storm is on track for northern Ohio and northwest Pennsylvania... .Deep low pressure will move through the Ohio Valley Saturday evening and reach the east coast Sunday morning. Snow will move into the region from the west towards morning Saturday and should quickly spread east and become heavy through the late morning and early afternoon. Snow will continue heavy at times into Saturday night, tapering in the west by midnight. Lake effect snow is expected to develop on Sunday in cold northerly winds behind the system, with lake effect snow possibly lasting into Sunday night. OHZ028-032-033-036>038-047-180315- /O.NEW.KCLE.WS.A.0001.190119T0900Z-190120T1300Z/ Crawford-Stark-Mahoning-Marion-Morrow-Holmes-Knox- Including the cities of Bucyrus, Canton, Youngstown, Marion, Mount Gilead, Millersburg, and Mount Vernon 215 PM EST Thu Jan 17 2019 ...WINTER STORM WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SUNDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 9 to 12 inches possible. * WHERE...Crawford, Stark, Mahoning, Marion, Morrow, Holmes and Knox counties. * WHEN...From late Friday night through Sunday morning. * ADDITIONAL DETAILS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts.