If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The Pennsylvania Department of Transportation and Pennsylvania Turnpike Commission strongly encourage motorists to heed all travel restrictions and delay unnecessary travel. Visit www.511pa.com for the latest travel, roadway, and traffic conditions.

* WHAT...Heavy lake effect snow. Additional snow accumulations between 2 and 6 inches with locally higher amounts up to 10 inches in the north. * WHERE...Crawford County. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Travel could be difficult with visibility below a quarter mile at times and snowfall rates of 1 inch per hour or more where bands persist. * ADDITIONAL DETAILS...The heaviest snowfall totals are expected across northern portions of Crawford County.