At least two deaths have been linked to Subtropical Storm Alberto as the storm made landfall Monday, NBC News reported.

State police in North Carolina said two people were killed in Polk County when winds brought a tree down on a vehicle belonging to NBC affiliate WYFF of Greenville, S.C..

WYFF News 4 anchor Mike McCormick and WYFF News 4 photojournalist Aaron Smeltzer died Monday when a tree fell on their SUV. https://t.co/VZZKA6K6qq All of us at WYFF News 4 are grieving. We are a family. pic.twitter.com/IQmZ6prUIH — WYFF News 4 (@wyffnews4) May 28, 2018

Polk County local government warned residents on its Facebook page to watch for flash flood warnings through Wednesday.

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Forecasters are warning residents in Florida, Georgia, South Carolina and Alabama of life-threatening surfing conditions and possible tornadoes.

And 20,000 people have been evacuated from the coast across the island of Cuba, according to state media reports.

The governors of Alabama, Florida and Mississippi have all declared states of emergency.

Alberto made landfall not far from Panama City, Fla., after becoming the first named storm of the 2018 hurricane season. It is expected to proceed northeast, drenching much of Georgia, Alabama and South Carolina in inches of rain.