The storms across the Pittsburgh area on Tuesday that knocked out power, brought down trees and prompted tornado warnings have left at least two dead.

A severe thunderstorm rolled through Western Pennsylvania early Tuesday evening, leaving downed power lines, damaged roofs and felled trees across the region.

More than 425,000 customers were without power in Pennsylvania and another 40,000 were in the dark in Ohio by midday Wednesday, according to PowerOutage.us, a website that tracks outages. Neighboring states,