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Tropical Storm Hanna forms in Atlantic

The National Hurricane Center says Tropical Storm Hanna has formed northeast of the northern Leeward Islands in the Atlantic.

Tropical Storm Hanna has formed northeast of the northern Leeward Islands in the Atlantic, the National Hurricane Center said Thursday.

The eighth tropical storm of the Atlantic season had top sustained winds near 40 mph Thursday. Its center was about 305 miles northeast of the northern Leeward Islands and was moving toward the west-northwest at roughly 12 mph.

Hanna could produce rainfall of 1 to 4 inches across parts of the Leeward Islands. It's too soon to say if Hanna will affect the United States.