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Tropical Storm Erika expected to strengthen as it approaches Caribbean

Published Aug. 26, 2015

Tropical Storm Erika, which formed on the heels of Hurricane Danny on Monday, is expected to steadily grow as it bears down on the Caribbean and could become a hurricane by Saturday, National Hurricane Center forecasters said Tuesday.

The storm, centered Tuesday evening about 545 miles east of Antigua and moving west at 20 mph, had top sustained winds of 40 mph.

As Erika moves over warm waters, forecasters expect the storm to slow down and steadily intensify. Erika is expected to arrive in the Leeward Islands by tonight or early Thursday.

But as the storm heads northwest, forecast models differ on Erika's future. Forecasters say Erika could become a hurricane by Saturday. But the same conditions that helped weaken Danny after it became a hurricane last week may slow down Erika.