Invest 99l 2024. Illustrations include an array of forecast tools and models, and not all are created equal. Forecasters with the national hurricane center (nhc) are monitoring four tropical disturbances swirling in the atlantic basin, including a newly designated invest 99l off the u.s.

Once an invest, or area of investigation, is designated. Illustrations include an array of forecast tools and models, and not all are created equal.