National Weather Service on Instagram: "If you live in the West, you’re likely to see the words “atmospheric river” pop up in the forecast over the next several days. This is not a new term; in fact it was coined in 1994! But what is an atmospheric river, and what weather hazards can you expect? Meteorologist Haley Thiem explains."

Palisades Tahoe on Instagram: "The storm has begun! National Weather Service has posted a winter weather advisory in effect from 11am Monday til 11am Wednesday, with UP TO 2 FEET along the Sierra Crest! We will share more on mountain footage as we can. Otherwise we’re glued to our webcams too!"

nws_shopping on Instagram: "New Collection 20Azn olcu36-40"