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Forecasters have said a tropical depression could form later this week as a system near the Lesser Antilles moves into more favorable conditions and could encourage further development.
The Miami-based US National Hurricane Center, in an advisory Sunday afternoon, said the disturbance is expected to move westward and reach the Lesser Antilles on Monday, then cross the eastern Caribbean Sea on Tuesday.
The Cayman Islands National Weather Service says it will continue to monitor the development of the system.
The impact of this system on the Cayman Islands is uncertain at this stage, as it is too early to determine its actual direction.
The tropical wave continues to generate shower activity and was located several hundred miles east of the Lesser Antilles.
The NHC said, since Saturday, the system has changed little in terms of its organization.
However, “environmental conditions are forecast to become more conducive for development while the system moves across the central and western Caribbean Sea during the middle and latter parts of the week”.
Forecasters suggested that a tropical depression could form during that time.
“Regardless of development, this system could result in some gusty winds and locally heavy rainfall over portions of the Lesser Antilles on Monday,” it said.
At present, the system has a low chance of formation, at 10%, through the next 48 hours. Forecasters have given the system a 40% chance of formation through the next seven days.
Two other systems in the area are also being monitored by forecasters.
One system is located in the Eastern Tropical Atlantic Ocean over western Africa, while the other is in the northwestern Gulf of Mexico.
The NHC said the tropical wave over western Africa is forecast to move offshore by
Monday.
Following this, it said environmental conditions could support “some slow development” of the system throughout the week while it moves slowly westward or west-northwestward over the eastern tropical Atlantic Ocean.
The system has a 20% chance of formation through seven days.
The system northwestern Gulf of Mexico is a broad area of low pressure just offshore of the upper Texas coast.
The NHC said it continues to produce some disorganized shower and thunderstorm
activity near the coasts of Texas and Louisiana and over the adjacent waters of the northwestern Gulf.
“This system is expected to meander near the coast for the next couple of days, and some slow development is possible if it remains offshore. By Tuesday, the system is forecast to move inland, and further development is not expected,” it said.
Heavy rains could cause some flash flooding across portions of coastal Louisiana and the upper Texas coast during the next couple of days.
The system has a 10% chance of formation through seven days.
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