Weather Clouds Guided Notes How do clouds form? Water ______________ in the air rises, cools, and condenses (or moves from a warm place to a cool place and condenses), forming the water _________________ that make up a cloud. A cloud is a collection of tiny, _______________ water droplets not water vapor. Cumulus Clouds Puffy, lumpy-looking clouds often with a ______________ bottom. They form when large _______________ of warm air rise rapidly into the atmosphere. When the cumulus clouds are __________, they usually bring rain. _______________ cumulus clouds do not bring rain. Cirrus Clouds High, __________ wispy clouds They are formed mostly of ice ____________________. Cirrus clouds are most often associated with ____________ weather. Stratus Clouds Clouds that spread out in _____________ covering a large area They form as ____________ air is pushed over cold air. These clouds often bring rain. Stratus clouds are often _______________ in the sky.