HOMEROOMRead

Warm-up Read the text on clouds. Answer the

questions on the back in your notebook.

Warm Up When you walk in, put your notebook on

the counter and turn in your homework

DO NOT SIT DOWN UNTIL YOU HAVE DONE THE FIRST THING!!

Clouds Condensed water droplets or solid ice

crystals that float in Earth’s troposphere, moving with the wind.

How do clouds form?a. When warm and cool air meetb. Warm air rises up the side of a mountain

and cools as it risesc. Warm air flows over a cooler area

This occurs because cool air can hold less water vapor than warmer air.

Cloud Classification Clouds are classified into a system that

uses Latin words to describe the appearance of clouds.

Cumulus Latin Root: Cumulus Translation: Heap Draw a picture!

Stratus Latin root: Stratus Translation: layered or spread out Draw a picture!

Cirrus Latin root: Cirrus Translation: curl of hair or wispy Draw a picture!

Nimbus Latin root: nimbus Translation: rain Draw a picture!

Further Classification Further classification identifies clouds

by…Height of cloud’s base

Levels of Clouds Cirrus: high levels Above 20,000ft made of ice crystals Thin and white in appearance Can appear in many color at dusk No precipitation

Alto: Middle levels

Between 6,500 to 20,000ft Made of water droplets or ice Weather associated

Stratus: Low levels

Below 6,500 feet Rain Water droplets or ice particles/snow

Fog: cloud in contact with the ground. Can also be another form of stratus cloud

Contrails: made from jet fuel released in the air at high altitude.

Vertical development Clouds

Can grow to heights in excess of 39,000 ft.

Severe weather associated Energy within the cloud