Tropical Storm Melissa is likely to undergo rapid intensification and grow into a powerful Category 4 hurricane.

Melissa continues to move very slowly and that speed will mean several days of strong winds and heavy rainfall in the northern Caribbean.

Will Melissa impact Florida? See current forecasts.

Tropical Storm Melissa is likely to undergo " rapid intensification " and grow into a powerful Category 4 hurrican e, according to the latest advisory from the National Hurricane Center.

"As Melissa intensifies, its wind field is expected to grow and become more symmetric."

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Could Melissa grow even stronger? At least one forecaster is saying s

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