Tropical Storm Helene moves toward western coast of Africa

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At 5a.m. the center of the system was located near latitude 24.5 north, longitude 54.2 west or about 840 miles (1,350 kilometres) south east of Bermuda and about 720 miles (1,155 kilometres) north east of the northern Leeward Islands.

The storm was expected to cause life-threatening surf and rip currents along the USA east coast this weekend. At this point, its exact landfall location is very hard to determine as Florence will eventually make a NW and then north turn.

North Carolina Governor Roy Cooper declared a state of emergency on Friday and urged residents to prepare for the storm's arrival.

As Florence moves west, the wind shear will decrease, allowing Florence to become more organized and intensify.

On its current track, Florence's winds are forecast to strengthen to 140 miles per hour by Wednesday morning, making it an extremely risky Category 4 hurricane.

The tropics are increasingly active this weekend - as one might expect in September during hurricane season - with two named storms and one expected to gain a name sometime Saturday. "Interests near and along the U.S. East Coast should monitor the progress of Florence through the weekend and ensure they have their hurricane plans in place".

Tropical Storm Florence's weakening appears to have stopped and is expected to restrengthen into a hurricane by Saturday night or Sunday, the U.S. National Hurricane Center said in its latest advisory. If it does brush up against the coast, Cumberland County could see winds and rain, Morrow said.

Tropical storm Helene is presenting the most imminent danger as it tracks towards the western coast of the African continent, around the southernmost Cabo Verde Islands.

First up there's Tropical Storm Florence. The system is moving west-northwest at 5 miles per hour. Helene has winds of 45 mph, and is 330 miles from the Cabo Verde Islands.

Forecasters said it was too soon to tell where the storm would go.

Tropical Depression 9 could develop into a tropical storm and threaten the Caribbean next week.

Helene will likely become a hurricane next week.

As of noon, Florences closest point of approach in the next 72 hours was forecast to be 500 miles southeast of the island, at midday on Monday.