CUMULUS CLOUDS PUFFY CLOUDS SOMETIMES LOOK LIKE PIECES FLOATING THE BASE CLOUD FLAT 1000 METERS ABOVE THE GROUND THE CLOUD CUMULUS THE HEAD CUMULUS CONGESTUS TOWERING CUMULUS GROW DEVELOP GIANT THUNDERSTORM HERE CUMULONIMBUS CLOUDS CONTINUE DARK BASES NO MORE ABOVE TOPS UPWARD TREMENDOUS ENERGY CONDENSATION WATER VAPOR VIOLENT TORNADOES WINTER