MIAMI (CBSMiami) – With just days to go until the official start of the Atlantic hurricane season, the National Hurricane Center is already monitoring two systems.

The National Hurricane Center said the area of low pressure about 250 miles northeast of Bermuda is well-defined and gradually acquiring subtropical characteristics.

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If this trend continues, advisories could begin on this system early Saturday, while it moves slowly west to west-southwest to the northeast of Bermuda.  It’s expected to move into a more hostile environment by Saturday night or Sunday.

The National Hurricane Center is giving this a 90% chance of formation in the next 2 to 5 days.

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Meanwhile, in the western Gulf of Mexico, there is a well-defined low pressure system with winds of 30-35 mph near and east of the center.  It’s located about 150 miles east-southeast of Corpus Christi, Texas.

Shower and thunderstorm activity remains limited, but any increase in this activity may result in a short-lived tropical depression or storm before moving inland over the northwestern Gulf coast overnight.

Regardless of development, the system could produce heavy rainfall over portions of southeastern Texas and southwestern Louisiana during the next few days.

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The National Hurricane Center is giving this a medium potential (a 50% chance) of development.