"Record-setting" cold temperatures from an Arctic outbreak slamming much of the Lower 48 U.S. states has left over 100 million Americans under alerts from "dangerous" wind chills, per the National Weather Service.
The big picture: The winter storm that's ended a two-year snow drought along the heavily populated I-95 corridor has caused widespread travel disruptions, as snow was accumulating across the eastern Great Lakes and Northeast corridors, and significant ice was building in the West, including in Portland, Oregon.
