Severe storms forming in the Midwest threatened parts of Oklahoma and Kansas on Wednesday, forecasters warned.
There were reports of tornado damage southwest of Oklahoma City, Capt. Paul Timmons of the Oklahoma Highway Patrol said.
Weather spotters reported seeing tornadoes in central Oklahoma near the town of Amber, and in Kansas northeast of the town of Lincoln, according to the National Weather Service.
In Bridge Creek, Oklahoma, about 30 miles southwest of Oklahoma City, forecasters warned residents to take cover as the Weather Service issued a tornado emergency and said a large, destructive twister was in the area.
At Will Rogers World Airport in Oklahoma City, officials said they were evacuating passengers and employees to a pedestrian tunnel.
“We are seeing some pretty ominous-looking skies,” CNN meteorologist Jennifer Gray said.
The storms are part of a larger system going through Kansas, Oklahoma and Texas, Gray said, with the possibility of gusting winds, damaging hail and tornadoes.