Meanwhile, dust storms spurred by high winds claimed almost a dozen lives on Friday. Eight people died in a Kansas highway pileup involving at least 50 vehicles, according to the state highway patrol. Authorities said three people also were killed in car crashes during a dust storm in Amarillo, in the Texas Panhandle.

The deadly storm system arrived on the East Coast on Sunday after thunderstorms and tornadoes swept through the South and Midwest.

A dangerous combination of hurricane-force winds, dry land and cratering humidity levels are bringing sweeping dust storms and an “extremely critical” fire threat to millions across

By Friday afternoon, nearly 75,000 Oklahomans were without power, eight fire warnings had been issued, and several evacuations were ordered.

Wind-driven wildfires blew across northeastern Oklahoma Friday afternoon into the evening. News On 6 crews and storm trackers covered the fires from all over the area. Here is a timeline of what happened throughout the day.