An arctic cold front crossed eastern Ohio, western Pennsylvania, northern West Virginia, and Garrett county Maryland the afternoon of the 14th, with snow squalls reducing visibility below one quarter mile at times. Wind gusts over 40 MPH occurred with the snow squalls, and thunder-snow was reported. Behind the front from the morning of the 15th into the 16th, temperatures dropped below zero, with extreme wind chills. The lowest wind chills reported were -37 degrees in Canaan Heights, WV, -33 near Strattanville, PA, -32 at Deep Creek Lake, MD, and -24 at East Palestine, OH.