The National Weather Service in State College PA has issued a * Snow Squall Warning for… Northern McKean County in north central Pennsylvania… Northwestern Potter County in north central Pennsylvania… * Until 1030 AM EST. * At 952 AM EST, a dangerous snow squall was located along a line extending from St. Bonaventure to Bradford to Russell, moving east at 30 mph. HAZARD…Intense bursts of heavy snow. Gusty winds leading to blowing snow and rapidly falling visibility. Wind gusts up to 20 mph. SOURCE…Radar and webcams. IMPACT…Travel will become difficult and potentially dangerous within minutes. This includes the following highways… Route 219 from near the Bradford Regional Airport to Bradford. State Road 46 from north of Smethport to Farmers Valley. State Road 59 from west of Marshburg to Marshburg. State Road 446 from Farmers Valley to the New York border. Locations impacted include… Bradford, Shinglehouse, Genesee, Rew, Coryville, Marshburg, Eldred, Lewis Run, Oswayo and University Of Pittsburgh – Bradford. PRECAUTIONARY/PREPAREDNESS ACTIONS… Reduce speed and turn on headlights! During snow squalls, the visibility may suddenly drop to near zero in whiteout conditions.