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Weather and Climate
Chapter 11 - Earth Science
| Question | Answer |
|---|---|
| weather | atmospheric conditions along with short-term changes |
| humidity | amount of water vapor in the air, measured in g/m^3 |
| relative humidity | amount of water vapor in the air relative to the maximum amount it can hold at its current temperature |
| dew point | temperature at which the air will be fully saturated with water vapor |
| precipitation | when water (in any form) leaves the atmosphere |
| water cycle | the process through which water moves through the hydrosphere and atmosphere |
| air mass | body of air which has consistent features |
| cold front | occurs when a cold air mass moves toward a warm air mass |
| warm front | occurs when a warm air mass moves toward a cold air mass |
| seasons | regular changes in length of day which are a result of axial tilt |
| drought | prolonged period of significantly low precipitation |
| flash flood | sudden flood |
| climate | long term average of weather patterns in an area |
| Mediterranean climate | characterized by mild, wet winter and hot, dry summers |
| highland climate | characterized by cool-to-cold temperatures which occur at high elevations and on plateaus |
| rain shadow | an area of low rainfall on the lee side of a mountain |
| sea breeze | wind which blows from the sea to the land |
| land breeze | wind which blows from the land to the sea |
| valley breeze | wind which blows warm air up a valley |
| mountain breeze | which which blows cold air down into a valley |
| Santa Ana winds | winds which begin in the Great Basin and bring dry, hot weather to various parts of California |