Irma Weakens to Tropical Depression - National Hurricane Center

Why tornadoes are among a hurricane's potent threats

Joe Raedle Getty Images Trees and branches are seen after being knocked down by the high winds as Hurricane Irma arrives on Sept. 10 in Miami

A tropical storm warning was issued for the first time ever in Atlanta, and school was cancelled in communities around the state.

The White House says Trump has spoken with the governors of Alabama, Georgia, South Carolina and Tennessee. As the storm heads up Florida's west coast, it's also threatening more than $1 billion worth of crops. The city's Memorial Park has turned into an unrecognizable lake.

"These are storms of catastrophic severity and we are marshalling the full resources of the federal government to help our fellow Americans", Trump said.

The President earlier posted a link to state information on the locations of shelters, road closures and evacuation routes. "We've already surpassed historic levels, the levels will continue to rise". Spirit, JetBlue and American were the biggest risers in percentage terms - those three have a greater percentage of flights in Florida and the Caribbean than do their rivals, according to a Raymond James analyst. "We were in shock when we went outside", Garcia, 34, told CNN.

"Irma weakens to a tropical depression".

He added, "It is within the realm of possibility that (the water) comes back more dramatically than if it were just a surge blowing up on land without the water being removed from the shore areas by the winds ahead of the eye of the storm".

Streets remained empty along Fort Lauderdale Beach, as residents continued to follow evacuation orders.

Officials were still working to assess damage from the powerful hurricane, which displaced hundreds of thousands of people and caused power outages at more than 6.5 million homes and businesses as it tore through the state this weekend.

The massive storm still has a very large wind field with hurricane-force winds extending up to 60 miles.

"No way!" Indigo interrupted.

On Marco Island, where the storm made its second landfall on Sunday, residents were cleaning up damaged homes and dealing with the downed trees that knocked out power lines and crushed cars.

"We were the little engine that did it", he told CNN's Ed Lavandera. "If the eye of the storm tracks to the west of the bays, the storm surge will be worse".

Irma is "an extremely risky major hurricane, and will bring life-threatening wind impacts to much of the state regardless of the exact track of the center", according to the National Hurricane Center.

Irma has maintained Category 5 strength for more consecutive hours than any storm on record, and it's still going.

It will weaken slowly in the coming hours and will likely become a tropical depression on Tuesday, the National Hurricane Center said.

That's because some islands are extremely hard to access.

"What we feared the most was the surge", he said on MSNBC. He said 19,500 electric workers have been deployed in the restoration effort.

Tropical storm warnings were are in effect for the Lowcountry of SC. For those looking to stay safe, heed these tips.

Irma claimed at least 20 lives, including four in the British Virgin Islands and one each on Anguilla and Barbuda, and left thousands of people homeless when it smashed into the region on Wednesday.

Police in Miami-Dade County said they had made 29 arrests for looting and burglary.

The hurricane was downgraded to a Category 2 storm, losing its major hurricane status after making landfall in the state's southwest.

Hurricane Irma hammered Cuba and marched toward the Florida Keys on Saturday with punishing winds and rain. Jose was described as a "dangerous" Category 4 storm.

More than 200,000 people waited in shelters across Florida.

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