“This record ocean heat is a clear reason why Hurricane Helene — which has been traveling through the Gulf on its way to Florida — has intensified so quickly. Put simply, hotter water evaporates more readily, and rising columns of warm, moist air from that evaporation are ultimately what drive hurricanes and their rapid intensification.”
https://www.vox.com/climate/373874/hurricane-helene-florida-forecast-warm-ocean-water