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29 Cards in this Set
- Front
- Back
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When moisture condenses out of air and falls to the ground we are expecting what? |
Precipitation |
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what is a large body of air that has the same properties as the earth’s surface below it? |
air mass |
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What is a violent, whirling wind that moves in a narrow path over land? |
tornado |
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can air at higher temp hold more or less water vapor than cooler air? |
more |
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What is the measure of the amount of water vapor that air is holding compared to the amount that it can hold is called? |
dew point |
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what type of cloud is low, layered gray and produces drizzle? |
stratus |
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What forms where cold and warm air masses meet? |
front |
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what line connects points of equal temp? |
isotherm |
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What do we call it when air can no longer hold any more water vapor? The air is what? |
saturated |
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What are the highest clouds known as? |
cirrus |
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Why does high pressure air usually mean good weather? |
The sinking motion in high pressure air masses makes it difficult for air to rise and clouds to form. |
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If air containing moisture is cooled, the temperature at which the air is saturated and condensation forms is known as what? |
saturations point |
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What type of cloud is high, white, feathery clouds usually associated with? |
cirrostratus |
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When water droplets form around dust particles and become heavy enough to fall out of the clouds, we have what? |
precipitation |
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Who forecasts the weather using data collected from many sources? |
Meteorologists |
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why do water drops form on surfaces when the air is clear? |
because of dew point |
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What type of cumulonimbus cloud do tornadoes often form from? |
wall cloud |
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The interaction between air, water, and what else results in weather? |
sun |
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What type of clouds are thick and puffy? |
cumulus clouds |
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Violent storms usually form along what? |
warm front |
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What type of air mass would form off the southeast coast of the U.S.? |
warm moist air front |
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Hurricanes form over what? |
warm water |
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Raindrops that pass through a layer of freezing air near the ground becomes what? |
sleet |
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Lightning results from what? |
opposite charges |
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Numbis? |
Nimbus really just means a cloud that already has rain or snow. |
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Stratus? |
A stratus cloud, a gray blanket cloud, with rain falling out of it. |
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Cumulus? |
A cumulus cloud, a puffy thick cloud, with rain falling out of it. |
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Cirrus? |
Cirrus clouds very high up in the sky, looking thin and wispy. Good weather. |
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Hurricane? |
Every hurricane are warm water and moist warm air. |
