glider pilots avoid thunder clouds because the updrafts are so strong that it is usually impossible to escape them and one gets disorientated....they can easily break up the aircraft (only very special aircraft will intentionally fly into them for research purposes)one glider that did survive (the pilot did not -lack of oxygen, cold) reached 53000ft (the barograph showed this) thunder clouds can reach 60+thousand feet in the tropicsdoes that count for "how high can a butterfly fly)
This would be my cure for global warming. We breed a species of butterfly to fly at high altitude and with very reflective wings they could reflect some of the suns rays back into space.Now if we could get them to be solar powered it would stop them having to eat.