State Route 504 near Coldwater Lake was closed both ways because of a landslide that stranded about 12 people and a dog overnight. The group slept in their cars at the at Johnson Ridge Observatory. They were extracted and flown out via helicopter by King County Search and Rescue. Aaron Yanez with the Washington State Department of Transportation said the slide happened near milepost 49 just after 9 p.m. Sunday night. Yanez said they believe one of the people stranded called in the slide after coming face to face with it on their drive back from Mount St. Helens. Scientists think that a rapid change in weather led to this massive landslide. Read more: https://www.kgw.com/article/news/local/sr-504-coldwater-lake-mount-st-helens-closed-debris-slide/281-6d452110-62d0-4f42-aa97-006444eae332 Subscribe: https://www.youtube.com/c/KGWNews8 Watch the latest KGW newscast: https://www.kgw.com/watch Get the KGW app: https://kgw.com/appredirect