AURORA, Ore. - A weak tornado touched down at an airport near Aurora, Oregon, on Thursday afternoon.
At least two aircraft at the airport were flipped by winds just after 3:30 p.m. Aurora is along Interstate 5 south of Portland.
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Eyewitnesses at the airport and nearby said they saw a tornado, and analysis of radar data by KIRO 7 Pinpoint meteorologist Morgan Palmer supports that.
"There is a pretty evident circulation in the parent thunderstorm very close to the Aurora airport at the time of the damage," Palmer said.
"The Doppler radar in Portland detected winds moving north right next to a pocket of winds moving south.
Those are the 'couplets,' or circulation areas we look for to detect tornadoes.
"Unfortunately, the circulation formed and dissipated so quickly -- within just a few minutes -- so there was no time for the National Weather Service to issue a tornado warning for the area before the storm had come and gone."
No injuries have been reported.
The National Weather Service in Portland said it has a survey team looking at the damages.
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