The National Hurricane Center has a clean slate for the next seven days. After that time, the various computer forecasts continue to show a decent chance that the tropical disturbance over the far eastern Atlantic will track into the Caribbean next week and eventually develop. The models show a weather pattern over the central and western Caribbean that would be conducive to the disturbance organizing, and some show strengthening, if the system gets that far.   On the current

A disorganized tropical disturbance is plodding across the stretch of ocean from Africa to the Caribbean. Atmospheric conditions do not look conducive for it to develop much before it reaches the islands - most likely the Windward Islands - next Sunday or Monday. Once it reaches the western Caribbean later next week, however, some computer forecasts predict the pattern will allow the system to organize and strengthen.   The possibilities range from no development at all to a