Hurricane Florence could stall offshore in repeat of "Harvey"

The clouds within the red square are the outer bands of Hurricane Helene

The clouds within the red square are the outer bands of Hurricane

Based on the latest advisory from the National Hurricane Center, the earliest reasonable arrival of tropical storm force winds in SC is Thursday afternoon. The storm has 45 miles per hour sustained winds with higher-speed gusts.

Florence, however, continues to threaten the east coast as a fierce storm that could trigger flooding as far south as Georgia.

Little change in strength is expected during the next couple of days and Joyce is forecast to gradually turn toward the northeast on Friday, the Miami-based weather forecaster said.

The specialists refer to the probability that it will be reoriented towards the British Isles in an extratropical cyclone condition.

"A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 12 to 24 hours". Aircraft data indicated maximum sustained winds near 60 miles per hour with higher gusts, according to the National Hurricane Center. Gradual weakening is forecast after that as Isaac moves through the eastern Caribbean.

However, forecasters say Isaac is expected to produce additional rainfall of 2 to 3 inches with isolated maximum totals of up to 5 inches across southeast Puerto Rico.

According to the NHC 11 p.m. Tuesday update, Tropical Storm Isaac's center is "outrunning" the deep convection by about a degree due to strengthening westerly shear.

A tropical storm warning is in effect for Dominica, Guadeloupe and Martinique, while a tropical storm watch is in effect for Antigua, Montserrat, St. Kitts and Nevis, and Saba and St. Eutatius.

Tropical storm force winds from Isaac expected soon at Leeward Islands. Expect winds to increase on Saturday to 15-30mph across the entire CSRA, with the 30mph more likely in the northern/eastern areas.

Florence is the most worrisome of the bunch as it lumbers toward the East Coast carrying the threat of a deadly 13-foot ocean surge and flooding rains.

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