Live from ABC News headquarters in New York City. This is Good Morning America. Good morning America. Good to see you.

Janais is off to Italy to cover those winter games and Witt is away. But look who's here, Mary Bruce.

It is always so good to be with you, my friend. It is great to see you, my friend. Good to see you here.

We have a lot of news to get to on this Sunday morning, including the latest on the partial government shutdown. What that means for air travelers in just a moment here.

And also ahead, four astronauts have arrived safely aboard the International Space Station. They're replacing the four who returned home unexpectedly in January due to a health issue for one of them.

Meteorologist Greg Dutra from WLS joins us now.

Greg, good morning. Look at that.

Yeah, and right on the heels, two of three tornado reports through Louisiana.

They're going to go investigate at least one of those during the course of today.

As about an inch or more of rain fell out in Friendswood, Texas.

That just off to the south and east of Houston.

They need the rainfall in East Texas.

They need the rainfall through Florida, although you don't want to take the severe weather. Look how far out in front of this coal front that squall line is. The good news, these aren't individual cells. So the chances of them producing tornadoes is lower, but still damaging winds the main threat today. It'll be along the I-4 corridor near Orlando, closer to about 8 o'clock, but during the afternoon is through the panhandle and then up into portions of Georgia. Again, much need to rain up and down the eastern seaboard on the northern edge snowfall possible for New York City. That'll be late tonight and into early tomorrow morning. Just what the doctor ordered right after all the snow so far this winter. The good news, that'll melt pretty quickly. Back to you, Mary. I'm going to just ignore what you said about snow there, because I think we've had enough, Greg. Thank you. It'll mel, I promise. Overseas now to the Global Security Conference, taking center stage in Germany, where the war in Ukraine and nuclear talks with Iran are in focus. ABC News Senior White House correspondent, Selena Wang, joins us from Washington with more. Good morning, Selena. Yeah, good morning to you,

Mary. Our European allies are still on edge. Even after Secretary of State, Marco Rubio spoke at the

Munich Security Conference, he offered reassurances, but with the clear warning, Europe needs to

step up or the U.S. will go ahead on its own.

Thank you very much. Secretary of State, Marco Rubio, trying to steady Europe's nerves,

offering reassurance, but with a warning.

We are prepared, if necessary, to do this alone. It is our preference, and it is our hope to do this together with you.

Europe has been on edge after Trump's repeated threats to take over Greenland and multiple

trade wars with allies. Rubio softening the tone, but the message was stark. The U.S.

will move forward alone unless Europe strengthens its own defenses and aligns with

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