AN AREA OF HEAVY SNOW WILL AFFECT NORTHEASTERN MERCER...CENTRAL VENANGO...NORTHERN JEFFERSON...NORTHERN CLARION AND SOUTHWESTERN FOREST COUNTIES... At 1040 AM EST, an area of heavy snow was located along a line extending from near Brandy Camp to 7 miles west of Sugarcreek. Movement was east at 40 mph. Locations impacted include... Oil City, Franklin, Clarion, Brookville, Knox, Sugarcreek, Brockway, Hasson Heights, Falls Creek, Seneca, Polk, Strattanville, Shippenville, Corsica, Kennerdell, Woodland Heights, Sigel, Utica, Fryburg, and Fisher. This includes Interstate 80 in Pennsylvania between mile markers 48 and 96. Snow will lead to reduced visibilities and hazardous travel conditions. Use extra caution if you must travel into or through this intense snow shower. Rapid changes in visibility and potentially slick roads are likely to lead to accidents. Consider delaying travel until the squall passes your location. Conditions can deteriorate rapidly in winter weather situations. Be prepared for snow or ice covered roads. Slow down and allow extra time when traveling.