Live from ABC News headquarters in New York City. This is Good Morning America. Hello. It's my line. I'm Jenae, Norman. It is Monday. It's a good Monday. It is so great to be with you. I was not going to take your line. I know what happens if I do. I'm Gio Benitez here with Ikejachi. It is so good to see you on this one day.

I was just grooving with you. That's all I know. Right?

Well, after the day, there's other things we have to think about, which is the flu. And coming up, those flu numbers, they are on the rise. And we'll tell you which areas are seeing the biggest up uptick in cases and what to do if you get sick because so many of us are meeting up

with friends and family soon right yes trying to avoid getting sick plus we are

counting down to Christmas cases and what to do if you get sick because so many of us are meeting up with friends and family

soon. Yes, trying to avoid getting sick. Plus, we are counting down to Christmas and doing some

holiday cooking with Chef Brooke Williamson. I can't wait to taste what she's making for us.

It's going to be so good. I've already eaten a lot of it. Yes. Oh, yeah. But we're going to start

with the holiday travel season in full swing, just as dangerous

storm slammed the west, impacting travel for millions.

Matt Rivers is on the tarmac of LaGuardia airport here in New York.

Matt, what's going on over there?

The holiday season very much in full swing.

So far, so good here at LaGuardia, but we are expecting tens of thousands of flights nationwide taking

off today. This American flight heading to Dallas a little bit later on, just American Airlines alone

here at LaGuardia one flight every 10 minutes, a very busy start to the holiday season, just

as this severe weather is affecting all of it.

Major flooding in the West, turning deadly after an atmospheric river dropped more than a half a foot of rainwater.

One person was killed in Reading, California.

Vehicles submerged across the region, prompting water rescues.

This driver pulled to safety after trying to make it through floodwaters.

Cars navigating the treacherous conditions,

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