One
A person who forecasts the weather.
Meteorologist
A prediction of the weather or future events.
Forecast
A cold front occurs when a cold air mass pushes a ____ ____ mass out of the way.
Warm Air
A layer of gas surrounding the globe.
Atmosphere
Currents that result from variations in temperature and salinity (salt) differences are ____ _____.
Deep Currents
A warm front occurs when a warm air mass pushes a ____ _____ out of the way.
Cold Front
A measure of how much water vapor is in the air.
Humidity
Wind, rain and thunderstorms are examples of ____.
Weather
When a cold front approaches, we can expect this weather or ____.
Rain
Air masses that form near the equator tend to be ____.
Warm
This causes air masses to move around in the atmosphere.
Prevailing Winds
A large body of air that has similar temperature and humidity.
Air Mass
This moves air masses around the atmosphere.
Winds
Warm air heats up and spreads molecules, which causes the warm air to ______.
Rise
Currents that result from winds over the ocean surface are _____ _____.
Surface Currents
Mountains, hills, dunes, oceans and rivers are examples of _____.
Landforms
On a weather map, a warm front is represented by a ____ line.
Air masses that form over the poles tend to be _____.
Cold
On the weather map, a cold front is represented by a ____ line.
Blue
A picture that shows the weather conditions at a specific time over a specific region.
Weather Map
Meteorologists study weather masses and fronts to make ________.
Cool air's molecules move tightly together or dense, and the air _____.
Sinks
Air heated or cooled creates _____.
Wind
Air masses that form over water tend to be ____.
Wet
A front when two air masses meet and neither one pushes the other out of the way.
Stationary Front