19 terms

Weather

•Weather is short-term changes in the atmosphere, such as changes in temperature, air pressure, humidity, wind, and precipitation. Climate is the average weather pattern of an area over a long period. •The differences between weather and climate can be summarized as follows: Weather Climate •Weather patterns are caused by the flow of the atmosphere. In the temperate zones, weather conditions usually move from west to east. •The seasons—summer, winter, spring, and fall—are cycles of weather cause…
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Terms in this set (...)

weather
The state of the atmosphere at a given time and place.
climate
the average weather in a location including the temperature and amount of precipitation. (rainfall)
front
where two different air masses meet
drought
a long period of unusually dry weather
meteorologist
a scientist who studies and measures weather conditions
wind speed
how fast the wind is blowing
humidity
moisture in the air
air pressure
the amount of pressure of force from the air
temperature
how hot or cold something is
air mass
large body of air with the same temperature and humidity
atmosphere
the gases that surround Earth
condensation
the process by which molecules of water vapor in the air become liquid water
evaporation
the process by which water molecules in liquid water escape into the air as water vapor
cold front
Cold air advances toward warm air and pushes it up and out of the way.
warm front
A front where warm air moves over cold air.
hygrometer
measures humidity
barometer
measures air pressure
wind vane
measures wind direction
thermometer
measures the temperature

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