Blizzard conditions are expected for New York City and Boston beginning today. Expect winds gusting to at least 70 mph, major coastal flooding and widespread power outages. The Weather Prediction Center warns of "major disruption to daily life." Here's our latest forecast thinking.

Follow here all day for up-to-the-minute information about every angle of this winter storm.

As Winter Storm Hernando strengthens, it will bring blizzard conditions to a huge chunk of the Northeast and New England. More than 39 million people are in blizzard warnings. Eastern Massachusetts could see significant snow, coastal flooding and power outages Sunday evening through Monday. Watch Jim Cantore live in Plymouth as he explains the biggest impacts expected with Hernando.

Track everything from current conditions, forecast timing and potential impacts from the winter storm here.

You've heard the term. Here's what it means and why it's dangerous.