More disturbanceslining up behind Tropical Storm Harvey

Forecasters are watching two disturbances behind Tropical Storm Harvey — but the chances of the first one forming into a storm dropped slightly Friday afternoon.

Tropical Storm Harvey looks to be taking a path south of the state.

The first disturbance following Harvey is about 500 miles east northeast of the Leeward Islands. The likelihood of it forming a storm dropped from 60 percent to 50 percent Friday evening, thanks to upper level winds.

The disturbance is expected to move westnorthwest at about 20 mph and keep a 60 percent chance of development over the next five days.

Much further east in the Atlantic, forecasters are also watching a tropical wave off the coast of Africa, several hundred miles west of the Cabo Verde Islands. Conditions for development of the tropical wave appear likelier early next week.

In the next two days, the wave has only a 10 percent chance of developing but in the next five days, it has a 30 percent chance.

However, the wave is expected to curve northwest hundreds of miles before the east coast.

Meanwhile, Tropical Storm Harvey has sustained winds of 40 mph and is moving west at 21 mph. It’s expected to move through the eastern Caribbean Sea on Friday afternoon and evening, then central Caribbean on Saturday.

The storm is expected to slowly get stronger in the next 48 hours.

As for the weekend in South Florida, showers are likely with a chance of thunderstorms Saturday, and a 70 percent chance of rain. The temperature during the day is expected to be in the upper 80’s. The chance of rain drops to 60 percent Saturday night with lows in the lower 80’s, according to the National Weather Service.

Expect more of the same Sunday, with the chance of rain drops to 20 percent that night.