Thermals are sometimes indicated via the existence of visible isolated cumulus clouds at the top from the thermal. Cumulus clouds are formed with the climbing air in a very thermal mainly because it ascends and cools, until the water vapor within the air begins to condense into visible droplets. https://semiconductortemperatures35678.tblogz.com/5-simple-techniques-for-difference-between-thermal-shock-and-cycling-49109497