The National Hurricane Center warned Invest 98L is expected to strengthen into Tropical Storm Melissa Oct. 21.

See latest spaghetti models on where the system could go.

The National Hurricane Center warned Invest 98L is expected to strengthen into a tropical storm later today, Oct. 21.

Maximum sustained winds need to reach at least 39 mph for the invest to be designated as a tropical storm.

If it becomes a tropical storm as expected, it would become Melissa.

AccuWeather said the system could strengthen into a hurricane as it moves through the extremely warm waters of the Caribbean.

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Forecasters said heavy rainfall and gusty winds are possible over por

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