Good evening Hurricane Holin extremely dangerous category four it's more than 400 miles

across pushing a storm surge that officials are calling unservivable is now hitting Florida's Gulf Coast.

As much as 20 feet of water forecast along the shore, south of Tallahassee, which itself is expected

to take a direct blow.

Some coastal areas already flooding. Take a look live pictures right now from

Gulf Port and Tampa on the right. Interstate 275, President Biden this evening

urge anyone in the storm's path to take it extremely seriously a lot of water there certainly

they're in Gulfport especially emergency managers in Florida's Taylor County

are telling people choosing to stay and there are people choosing to stay to write their name and

date of birth on a leg to help identify their bodies. Storm warnings are now in

effect as far north as Charlotte, North Carolina. We've got CNN correspondence all along the places now in harm's way and

Chad Myers in the CNN Weather Center.

Let's start with CNN meteorologist Derek Van Dam

who is in Appalachicola.

What are you seeing there during?

Anderson, the conditions as one would expect have gone down exponentially quick here in Appalachicola near the big bend of Florida.

We're going to remain on the west side of the eye of the storm.

We know that is of course the most powerful, but because of the size of the storm,

there is no doubt that we will feel extreme impacts here

where we're standing and points further east as well the storm the the bottom is

literally dropping out from itself. It is strengthening and it is expanding

in size as it does so. We were looking at some of the wind radiuses, so how far out the tropical storm force winds extend over 400

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