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Tracking Tropical Storms Laura & Marco

We’re tracking Tropical Storm Laura as it makes its way through the Greater Antilles this weekend and into the Gulf of Mexico on Monday, and we’re also watching Tropical Storm Marco during a very busy time in the tropical Atlantic.

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In South Florida, Sunday features a mostly sunny morning, with passing showers in spots.  Moe showers and some storms will develop in the afternoon..  Look for a brisk ocean breeze and a high risk of dangerous rip currents along the Atlantic coast. In the Keys, look for increasingly windy conditions and periods of showers and storms on Sunday evening and overnight.  Highs on Sunday will be mostly in the steamy low 90s, with a few locations hitting the mid-90s.

Monday will see the closest approach of Tropical Storm Laura to South Florida.  Tropical storm conditions are possible in the Keys, and a tropical storm watch is in effect.  The rest of South Florida can expect a very windy day with periods of showers and storms capable of heavy downpours.  Monday’s highs will be in the low 90s.

Tuesday will feature sun and clouds with showers and storms on a strong breeze as Tropical Storm Laura pulls away from South Florida.  Tuesday’s highs will be in the low 90s.

Look for good sun, a few clouds, and afternoon showers and storms on Wednesday.  Breezy conditions will prevail near the Atlantic coast.  Wednesday’s highs will be in the low 90s.

Thursday’s forecast includes a mix of sun, clouds, and periods of showers and storms.  Highs on Thursday will be in the low 90s.

In the tropics, Tropical Storm Laura was dumping very heavy rain on Hispaniola on Sunday morning.  At 5 am Sunday, TS Laura was located near 18.8 North, 70.9 West, about 95 miles east of Porte au Prince, Haiti.  Maximum sustained winds were 45 miles per hour, and Laura was moving west-northwest at 18 miles per hour.  Tropical storm warnings are in effect for much of Hispaniola and Cuba, as well as the Turks and Caicos and the southeastern Bahamas.  A tropical storm watch is in effect for the Keys, from Ocean Reef to Dry Tortugas.  Laura is forecast to reach hurricane strength before making landfall along the northern Gulf coast on Wednesday.

Tropical Storm Marco is on the move in the Gulf of Mexico.  At 5 am Sunday, Marco was located near 23.7 North, 87.0 West, about 400 miles from the mouth of the Mississippi River.  Marco had maximum sustained winds of 70 miles per hour and was moving north-northwest at 13 miles per hour.  Marco is forecast to make landfall along the northern Gulf coast on Monday, and a hurricane warning is in effect for portions of the Louisiana coast, with a tropical storm warning stretching east to the Alabama/Florida border.

Finally, the wave making its way through the eastern Atlantic is not expected to develop — a bit of good news.

Donna Thomas has studied hurricanes for two decades. She holds a PhD in history when her experience with Hurricane Andrew ultimately led her to earn a degree in broadcast meteorology from Mississippi State University. Donna spent 15 years at WFOR-TV (CBS4 in Miami-Fort Lauderdale), where she worked as a weather producer with hurricane experts Bryan Norcross and David Bernard. She also produced hurricane specials and weather-related features and news coverage, as well as serving as pool TV producer at the National Hurricane Center during the 2004 and 2005 seasons. Donna also served as a researcher on NOAA's Atlantic Hurricane Database Reanalysis Project. Donna specializes in Florida's hurricane history.