...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 AM THURSDAY TO 1 AM EST SATURDAY... * WHAT...Heavy lake effect snow expected. Total snow accumulations 10 to 20 inches in the most persistent lake snows. Winds gusting as high as 50 mph will produce blowing and drifting snow. * WHERE...Jefferson, Lewis, Wyoming, Chautauqua, Cattaraugus, and Southern Erie Counties. * WHEN...From 1 AM Thursday to 1 AM EST Saturday. * IMPACTS...Travel will be very difficult with deep snow cover on roads and poor visibility. The hazardous conditions will impact Thanksgiving holiday travel. Gusty winds will down tree branches and cause isolated power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Heavy snow will fall in relatively narrow bands. If traveling, be prepared for rapidly changing road conditions and visibilities. Submit snow reports through our website or social media. &&