A large snowstorm in Portland forced more than a dozen planes to divert to Seattle-Tacoma International Airport, creating a bit of a traffic jam on runways.
Nearly a foot of snow fell in Portland late Tuesday and another six inches were forecast to fall Wednesday.
Portland International Airport tweeted at 11:35 p.m. that they remained open but delays were expected as runways were plowed.
Sea-Tac Airport officials said 10 to 20 flights were rerouted from Portland, creating a small traffic jam as they scrambled to find space for the extra planes, according to KOMO News.
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Empty planes were already parked at gates to ready for morning flights.
Passengers diverted to Sea-Tac Airport told KIRO 7 it was so late they opted not to get a hotel and instead spent a relatively sleepless night in the airport. Some considered renting a car or taking a bus to Portland.
Airport officials warned travelers to check their flights Wednesday.
A winter storm warning issued by the National Weather Service remained in effect for Northwest Oregon and Southwest Washington until 1 p.m.
Stacia Glenn: 253-597-8653