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25 Terms

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Troposphere Temperature Trend
air cools as you increase b/c it's heated from the Earth's surface as infared radiation
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Troposphere Radiation
most radiation passes through and is absorbed by Earth's surface
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Stratosphere Temperature Trend
becomes warm due to the ozone layer
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Stratosphere Radiation
ozone layer absorbs ultraviolet radiation
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Mesosphere Temperature Trend
very cold, molecules far apart, nothing heats up
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Mesosphere Radiation
most passes through
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Thermosphere Temperature Trend
individual molecules become very hot
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Thermosphere radiation
Asorbs NRG gamma and xrays
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temperature
measure of heat NRG
F or C
Thermometer
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Precipitation
Water falling back to Earth's surface due to gravity
Type of precipitation depends on temperature of atmosphere and different altitudes
inched
Rain gauge
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Cloud Cover
Clouds are named by their shape and altitude and described by amount of sky is covered. partly/mostly
name and amount
Thermometer
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Wind
wind is formed by moving air molecules. Winds are named for the direction they come FROM and their speed
speed and direction it comes fom
anemometer
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Air Pressure
Convection causes air to move horizontally(wind), rise (low pressure), sink (high pressure)
bar(b)
millibar(mb)
atmosphere(atm)
pound per square inch (psi)
inches of mercury (in HG)
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Absolute Humidity
amount of water vapor in air, expressed as density
grams per cubic meter(g/m^3)
hydrometer
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Relative Humidity
percent of water vapor that is actually in the compared to the max amount of water vapor the air can hold a certain temp
percent (%)
psychrometer
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Three things to make a cloud
1) enough water vapor to reach 100% relative humidity
2) Temperature at or below the dew point temperature
3) A particle nucleus (ash/dust/smoke)
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Coriolis effect
Causes moving air and water to curve
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Thunderstorm
formed by lots of heat NRG/unequal heating --- convection with currents moving in opposite directions give molecules electrical charge
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tornado
wind shear or twist causes convection/cumulonimbus clouds to spiral
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A hurricane
tropical disturbance (low pressure area with lots of clouds/storms/thunderstorm has enough heat NRG to grow, Coriolis effect cause it to spin. Warm water feeds it and cause it to grow.
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Air Mass
huge body of air in the troposphere that has similar temperature, humidity, and air pressure at a given height.
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Front
when warm and moist air is forced to rise above
the boundary between air masses where stormy weather occurs. This causes water vapor in air mass to condense, form clouds and eventually rain.
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isobar
line that connects places of equal air pressure on a weather map
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isotherm
Line drawn on a weather map that connects points having equal temperature
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Meteorologists
a scientist who study and tries to predict the weather with maps, charts, computers, and other technology to analyze weather data and to prepare weather forecasts.