When wind or other disturbances detach winged maple seeds called samaras from their parent tree, they spin through the air—and can even spin when it's raining. Impacts by high-speed raindrops ...

A tree fell on a University of Oregon student near ... The National Weather Service in Portland posted a wind advisory, effective from noon to 4 p.m. Monday. The advisory warned of "south winds ...

The number of tree-related emergencies Portland Parks ... primarily caused by recent snow and wind. In response, PP&R arborists are actively clearing paths, starting with major thoroughfares ...