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Invest 90L slow to form

Posted by Sheena Parveen under Daily updates

Invest 90L may soon interact with a larger tropical wave to its East.  The interaction will add increased moisture and instability to the system, and some models are developing it much further by late next week.  As for now, the two tropical waves are unorganized, with shower and thunderstorm activity scattered throughout.  As of 8am Saturday, this system was about 800 miles SW of the Cape Verde Islands.

Computer models continue tracking it West, some pushing it North of the Caribbean Sea, and some pushing it into the Caribbean Sea.  At this time, it’s too far out to tell, so keep checking back for updates.

Wind shear is forecast to remain moderate around the Lesser Antilles over the next few days, but current wind shear is relatively low over Invest 90L.  Slow development of this system may be expected into next week.

Elsewhere, we are watching another tropical wave, extremely unorganized at this time, continuing to travel West through some higher wind shear in the Caribbean.