Thermals are sometimes indicated via the presence of noticeable isolated cumulus clouds at the highest with the thermal. Cumulus clouds are fashioned via the rising air inside a thermal because it ascends and cools, right until the h2o vapor in the air begins to condense into visible droplets. (= https://ta-5000a-temperature-test79023.tribunablog.com/the-fact-about-best-practices-for-thermal-shock-testing-that-no-one-is-suggesting-50073637