Flashcards: Weather Vocabulary week 2
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Created by:
houghtonsclass on February 24, 2012
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Terms | Definitions |
|---|---|
 cirrus | High clouds, look like feathers, composed of ice crystals. |
| cumulonimbus | Taller cumulus clouds, often result in thunderstorms |
| cumulus | Mid to lower level clouds, fluffy and look like cotton, means fair weather |
| stratus | Lowest clouds, look like layers, result in overcast weather, and sometimes produces precipitation |
| condensation | When water vapor becomes liquid |
| control | Part of an experiment that does not change, serves the standard to compare other observations |
| convection | Heat transfer through means of air |
| coriolis effect | Explains why the air curves ove the earth (rotating earth) ;winds in the Northern Hemisphere curve to the right,winds in the Southern Hemisphere curve to the left |
| density | Amount of matter in an object, cold air is denser then warm air (heavier), warm air rises because it is less dense (not as heavy) |
| evaporation | When liquid becomes water vapor |
| fog | Cloud that touches the ground, can be dense (thick) |
| forecast | Weather predictions |
| front | Forms when two air masses meet; boundries that seperate different air masses |
| cold front | Colder air replaces warmer air; usually moves from northwest to southeast; represented by a solid line of triangles on a weather map (triangles point to the warmer air) ; results in cooler weather and high pressure |
| warm front | Warmer air replaces cooler air ; usually moves from northwest to southeast; represented by a solid line of semicircles on a weather map(semicircles point toward the cooler air) ; results in warmer weather and low pressure |
| occluded front | When a cold front overtakes a warm front in an atmospheric depression |