Favorable trends in appearance for #Invest99L today. While convection remains limited, circulation is tighter & more circular. Easterly shear will lessen soon, and if SAL to the north is not significantly entrained, the low could form moist bubble that facilitates more convection pic.twitter.com/0qC53CmQH8

— Dr. Levi Cowan (@TropicalTidbits) July 20, 2020