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Invest 90L forms in Atlantic

Posted by Sheena Parveen under Daily updates

An area of disturbed weather, known as Invest 90L, was about 600 miles SW of the Cape Verde Islands as of 2pm Thursday.  This broad area of low pressure is moving West/NW and is unorganized at the moment with scattered thunderstorms.

Satellite imagery shows the continued un-organization of this system with no defined cyclonic flow, but some models are holding on to it into next week.

Computer models have it tracking W/NW over the next several days, being steered by the subtropical ridge in the Northern Atlantic Ocean.

Currently, wind shear around Invest 90L is low, but the system may encounter some shear as it moves across the Atlantic, nearing the Lesser Antilles.  While encountering the higher shear, it should be slower to develop.

We are also watching another area of disturbed weather around the Lesser Antilles, moving into the Caribbean.  Expectations for development are low for development, as this system will be encountering higher wind shear.