Satellite images show Tropical Storm Olivia over a 7-hour period ending at 3:30 a.m. today.
"Follow the advice of local authorities in North Carolina, South Carolina, Georgia and Virginia, including any evacuation orders, and monitor news and social media for more information".
Officials in Virginia, North Carolina, and SC have issued emergency warnings ahead of Florence's possible landfall. Its center will move between Bermuda and the Bahamas Tuesday and Wednesday, and approach the coast of SC or North Carolina on Thursday, the National Hurricane Center said.
Emiratis in Virginia, North and SC areas have been warned that Hurricane Florence may become a category 4 storm.
At 2 p.m., the storm was centered 845 miles (1,360 km) southeast of Cape Fear, North Carolina, moving at 17 mph (28 kph). He warned people living inland of flooding and power cuts.
Florence grew into a major hurricane on Monday morning and was upgraded again to a Category 4 on the five-step Saffir-Simpson scale of hurricane strength at midday as its top sustained wind speeds reached 130 miles per hour. "We are going to put everything else away and then we are going to put some concrete blocks in front of the doors just so rushing water and wind can't blow the doors back in", said Matthew Littleton with Casper's Marina. During that time, 40 to 70mph sustained winds are possible with hurricane force gusts up to 80mph.
WILMINGTON - Hurricane Florence is now a Category 4 hurricane, according to the National Hurricane Center. The NHC expects Isaac to weaken as it approaches the Caribbean.
Tropical Storm Isaac is nearing hurricane strength and is on a track that will bring it into the Caribbean, with its closest pass to the USVI expected to be 144 miles south of St. Croix on Thursday night. Helene is a Category 2 hurricane that's blowing winds between 96-110 miles per hour.