"Arctic Blast: Frigid Temperatures and Snow Grip US in Record-breaking Cold"

A dangerous cold wave has gripped the US, with temperatures plummeting 20 to 40 degrees below normal and almost half of all Americans under wind chill watches and warnings. The weather has caused six deaths and left over 90,000 people without power in Oregon, while Texas called for energy conservation due to freezing temperatures. Flight delays and cancellations have disrupted travel, and millions are facing cold temperatures from the Dakotas to Florida. Schools are closed in Tennessee, and Iowa is bracing for below-zero wind chills during the caucuses. Texas and Mississippi are slammed with ice, and Buffalo, New York, is clearing snow for an NFL playoff game.