The continued moistening of the trop. Atl can also be seen in the GFS mid-level relative humidity, starting with analyses from the past three days and then next forecasts out to four days. Note how the brown colors (<50% RH) gradually give way to more white and green (50-90% RH) pic.twitter.com/vGgepkGUSK

— Yaakov Cantor (@yconsor) August 17, 2023