A mysterious and wavy cloud forms. It may be a new kind of cloud.


A Cloud Mystery Someone sent me a photo of a cloud unlike any I’d ever seen. It was wavy. It looked like the sea on a rough day. T is one stumped me. I wondered if it might be a new kind of cloud. Many cloud scientists are now studying how it forms. Clouds like these are one reason


why I keep my eyes on the sky. From fl uff y clouds to swirling clouds, I never know what I’ll see. As land, water, and air interact, clouds form. T ey create some of our world’s most amazing sights.


Wordwise atmosphere: the air that surrounds


Earth


condense: to change from a gas into a liquid


evaporate: to change into a vapor, or gas


precipitation: the falling of water from the sky in the form or rain, sleet, hail, or snow


water cycle: the constant movement of Earth’s water


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