How does a thunderstorm work?

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A develops in three . During the initial, or cumulus stage, push air . As the air , water , releasing that pushes the air and creates towering cumulonimbus .

The vocabulary is not given in the right order.

VOCABULARY : stage = étape, to push = pousser, to release = relâcher, updrafts/up-drafts (GB = updraughts) = courants ascendants, towering = très élevé, thunderstorm = orage, cloud = nuage, moist = humide, unstable = instable, to condense = condenser, aloft = en l'air, to cool = refroidir, vapor (GB = vapour) = vapeur, heat = chaleur