The Latest: Washington area awakes to snow, wind, lightning

WASHINGTON (AP) — The latest on the blizzard slamming a large swath of the United States (all times local):
8:30 a.m.
Some areas in the Washington metro area woke up to nearly two feet of snow Saturday morning as a menacing winter storm bore down on the region and barreled east.
 In Silver Spring, Maryland, about 20 inches of snow was measured outside by daybreak. Lightning flashed and thundersnow rumbled after 6 a.m. Thick snow continued to fall steadily in light wind.
Plows cleared