Updated Saturday 9:30 a.m. ET

A Tropical Disturbance worth watching is trudging west in the eastern tropical Atlantic south of the Cabo Verde Islands. The atmosphere over that part of the ocean is still covered in Saharan dust, and drier air has penetrated from the north. As a result, development of the disturbance is expected to be slow for the next few days, at least.

Around next Tuesday or Wednesday, the various computer forecasts indicate that atmospheric conditions will become more conducive for development. The National Hurricane Center gives the disturbance a medium chance of developing into at least a tropical depression next week.

Notice that their potential development area is quite large. The computer forecasts don't agree on when the system will develop a circulation, but th

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