Damage from an EF-1 tornado forced more than 350 people from their homes near Downtown Irving. The storm blew out windows in an apartment building, knocked down power lines and blew over brick siding in the area of West Pioneer Drive and North O'Connor Road.

Power outages have skyrocketed and significant damage has been reported in several communities as severe weather raced across portions of Texas and Oklahoma early Tuesday morning.Tens of millions of people from the Plains to the Southeast are bracing for what could be a significant severe weather outbreak,

South Tarrant County was under a tornado warning, and sirens sounded across Fort Worth and other cities because of severe storms. Damage ranges from downed trees and power lines to a collapsed warehouse building.