Air Masses
Fronts
Weatherman
Water in the air
Instruments
100
A large body of air - same temp & moisture

air mass

100

This map symbol looks like blue triangles

cold front

100

These are lines that connect areas of equal air pressure on a map

isobars

100

This general temperature of air can hold more water

warm air

100

This instrument indicates wind direction

windsock

200

a warm humid air mass

tropical

200

This front brings lots of rain or snow

occluded front

200

This instrument measures air temp, pressure, humidity, wind speed

weather balloon

200

cold air holds less of this 

water vapor

200

This device measures air pressure

barometer

300

an air mass that is really cold

polar

300

this front brings lots of clouds and drizzly rain

warm front

300

This is a 3-5 day weather prediction

forecast

300

ratio of water vapor to the max it can hold

relative humidity

300

This instrument measures wind speed

anemometer

400

an air mass that forms over land

continental

400

This front brings many days of cloudy wet weather

stationary front
400

a scientist who collects weather data to make predictions

meteorologist

400

This is the amount of water vapor in the air

humidity

400

This is the temperature at which condensation occurs

dew point

500

An air mass that forms over water

maritime

500

This front brings dry, clear air

cold front

500

This west to east air current moves weather very quickly 

jet stream

500

Water in the air is measured with this

hygrometer

500

This is the process of water vapor becoming a liquid

condensation