Potential Tropical Cyclone 9 forms
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Understanding how storms form helps explain why forecasters watch ocean temperatures and wind patterns so closely.
Tropical Depression Nine formed late Saturday morning over the southeastern Bahamas and is forecast to steadily strengthen into Hurricane Imelda by early next week as it approaches the coast of South Carolina.
South Carolina Gov. Henry McMaster on Friday declared a state of emergency as the tropical disturbance moved closer, telling residents of his state to monitor the forecast and start preparing. The governor's order puts emergency plans in place and makes federal help available.
Hurricane Humberto forms as forecasters monitor a system closer to Brevard that is strengthening, could affect the Space Coast early next week.