unit four 7th

the measure of the force with which air molecules push on a surface.

• visibility

• air pressure

• humidity

ratio of the amount of water vapor in the air to the amount of water vapor needed to reach saturation at a given temperature

• relative humidity

• humidity

• dew point

distance at which a given standard object can be seen and identified with the unaided eye

• wind

• precipitation

• visibility

any form of water that falls to Earth’s surface from the clouds; includes rain, snow, sleet, and hail

• water

• precipitation

• humidity

the amount of water vapor in the air

• humidity

• relative humidity

• dew point

movement of air caused by difference in air pressure

• wind

• precipitation

• Coriolis effect

the temperature at which the rate of condensation is greater than the rate of evaporation.

• weather

• relative humidity

• dew point

short-term state of the atmosphere, including temperature, humidity, precipitation, wind, and visibility

• climate

• weather

a large body of air throughout which temperature and moisture content are similar

• front

• air mass

• jet stream

narrow band of strong winds that blow in the upper troposphere

• jet stream

• air mass

• front