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28 Cards in this Set
- Front
- Back
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water cycle |
the continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation
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evaporation |
the proccess by which molecu |
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condensation |
the change in state from a gas to a liquid
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humidity |
the amount of water vapor in a given volume of air.
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relative humidity |
the percentage of water vapor in the air compared to to the maximum amount of water vapor that air can contain at a particular temperature
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dew point |
the temperature at which condesation begins |
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cirrus |
wispy, feathery clouds made of ice crystals that form at high levels
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cumulus |
fluffy, white clouds usually with flat bottoms that look like rounded piles of cotton
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stratus |
clouds that form in flat layer of clouds often covers much of the sky |
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precipitation |
any form of water that falls from clouds and reaches Earth's surface as rain, snow, sleet, or hail
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rain guage |
an instrument used to measure precipitation
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flood |
an overflowing of water in a noramlly dry area. |
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drought |
a long period of timewith low precipitiation |
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air mass |
a huge body of air that has similar temperature, humidy, and air pressure at any givin height. |
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jet stream |
bands of high speed winds at about 10 kilometeres above earths surface |
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front |
the boundary where unlike air masses meet but do not mix |
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occlouded |
cut off as in front where a warm air mass is caught between two cooler air masses
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cyclone |
a swirling center of low air pressure |
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anticyclone |
a high pressure center of dry air |
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storm |
a violent disturbance in the attmosphere |
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blizzard |
a snowstorm with prolonged winds of 56 kilometers per hour or greater and blowing snow reduces visibility |
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thunderstorm |
a small storm often accomplished by heavy precipitation and frequent thunder and lightening |
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lightening |
a sudden spark or energy discharge caused when electrical charges jump between parts of a cloud between nearby clouds or between a cloud and the ground
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hurricane |
a tropical storm that has winds of about 119 kilometers per hour or higher. |
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strom surge |
a "dome" of water that sweeps across the coast where a hurricane lands |
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tornado |
a rapidly whirling, funnel shaped cloud that reaches down to touch the Earth's surface |
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evacuate |
moving away temporary from an area baout to be affected by severe weather. |
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meteoroligist |
scientists who study the causes of weather and how to predict it
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