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Fox News Weather Center

Disturbance to Drench South Florida Thursday, Friday

Showers and thunderstorms will become more numerous with the potential for heavy rainfall and isolated flooding over central and South Florida, including the Keys, late this week.

While a system well out to sea over the Atlantic is still the most likely candidate for tropical development through the weekend, a disturbance will move westward across South Florida Thursday and Friday.

According to AccuWeather.com Hurricane Expert Dan Kottlowski, "The disturbance is actually a storm in the middle levels of the atmosphere and not a tropical system just yet."

The disturbance will enhance the routine showers and thunderstorms that typically affect the region during middle of September.

While the number and intensity of the downpours and thunderstorms will be greatest during the afternoon hours, there is the potential for urban and low-lying area flooding at any time of the day or night in the pattern.

A small number of the storms can also bring gusty winds and a waterspout.

Florida cities likely to experience the most frequent downpours and lengthy disruptions to travel and daily activities include Miami, Fort Lauderdale, Palm Beach, Naples, Cape Coral, Marathon and Key West. However, some of the heavier storms can reach into Melborne, Orlando and Tampa on occasion as well.

The system will continue westward into the Gulf of Mexico this weekend and early next week.

Kottlowski stated that while the odds are against rapid development of this system through Saturday, there is a chance it takes on tropical characteristics and better organization over the Gulf, barring any disruptive winds at mid-levels of the atmosphere (wind shear).

Steering winds would likely take the disturbance westward toward Mexico or Texas early next week.