"Florence is forecast to be a risky major hurricane near the southeast USA coast by late next week, and the risk of direct impacts continues to increase", the hurricane center said.
As of 10:30 a.m. Saturday, the storm was 840 miles southeast of Bermuda while heading west at 9 mph with maximum winds of 65 mph.
Forecasters say it's too soon to tell where the storm will go because there's still a lot of uncertainty in its long-term track. So, again, while this storm could bring a major blow to North Carolina - mainly coastal and eastern sections - Florence is NOT looking like another Hugo for us.
Florence already had been the first major hurricane of the 2018 Atlantic season earlier this week, but wind shear weakened it to a tropical storm.
Florence will remain under favorable conditions for development into the start of next week, which could mean a major hurricane off the east coast by the middle of the week.More news: Trump calls on Sessions to uncover critic behind article
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A tropical storm warning and a hurricane watch was in effect for the Cabo Verde islands of Santiago, Fogo, and Brava.
However, the exact track, intensity, and landfall location of the storm is impossible to know this far out, and as shown by some of the blue tracks below, there's still an outside chance the storm could meander just offshore and then curl back out to sea.
His announcement followed on the heels of North Carolina's state of emergency, declared Friday night by Gov. Roy Cooper. "These swells are likely to cause life-threatening surf and rip current onditions".
McMaster's executive order will enable all SC agencies to coordinate resources if the storm hits.
Tropical Storm Florence is expected to intensify into a hurricane on Sunday as it continues to take aim at the United States' southeast coast.
Moving southeast in the Atlantic, Tropical Storm Isaac now has winds of 50 miles per hour and is moving west at 9 miles per hour. For now, it is best to assume a hurricane will be approaching the islands on Wednesday.
Tropical storm force winds extend 125 miles from the center. It is expected to approach the Hawaiian Islands as a tropical storm by early next week, becoming the third tropical weather system to affect the islands this year.