Weather alert for dense fog in part of Pennsylvania Wednesday morning

Weather alert for dense fog in part of Pennsylvania Wednesday morning

The National Weather Service issued a weather alert at 6:21 a.m. on Wednesday for dense fog until 8:30 a.m. for Westmoreland Ridges, Fayette Ridges and Higher Elevations of Indiana as well as Mercer, Venango, Forest, Lawrence, Butler, Clarion, Jefferson, Armstrong and Indiana counties."Patchy dense fog has developed this morning, with visibility below one quarter of a mile across parts of the area. Motorists should be prepared for fluctuating an…