National Weather Service Pittsburgh PA 334 AM EST Sun Dec 31 2017 MDZ001-PAZ074-076-WVZ510-512>514-311645- /O.EXT.KPBZ.WC.Y.0006.000000T0000Z-180102T1800Z/ Garrett-Westmoreland Ridges-Fayette Ridges- Ridges of Eastern Monongalia and Northwestern Preston- Eastern Preston-Western Tucker-Eastern Tucker- Including the cities of Mountain Lake Park, Oakland MD, Grantsville, Ligonier, Donegal, Champion, Ohiopyle, Coopers Rock, Terra Alta, Rowlesburg, Hazelton, Parsons, Hendricks, Saint George, Davis, Thomas, and Canaan Valley 334 AM EST Sun Dec 31 2017 ...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 1 PM EST TUESDAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills to range from 10 to 20 below zero. * WHERE...Portions of southwest Pennsylvania, western Maryland and northern West Virginia. * WHEN...Until 1 PM EST Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves.