The envelope of gases surrounding the Earth.
Atmosphere
High and wispy clouds, signal fair weather or an approaching warm front.
Cirrus Clouds
It measures temperature.
Thermometer
Huge bodies of air that form over water or land in tropical or polar regions.
Air masses
A storm with thunder, lightning, heavy rains and strong winds.
Thunderstorm
Weather and clouds occur in this layer.
Troposphere
Cumulus Clouds
It measures wind direction and indicates the direction of advancing wind.
Wind/Weather Vane
Scientists who study weather and put together forecasts.
Meteorologists
Rapidly whirling, funnel-shaped cloud that extends down from a storm cloud, can cause great damage to people and property.
Tornado
It absorbs most of the Sun's ultraviolet radiation.
Ozone Layer
Spread over large area and layered.
Stratus Clouds
They are used for seeing cloud patterns and movements.
Satellites/ Satellite Images
A boundary separating air masses .
Weather front
True or false. Trade winds and westerlies affect the direction of tropical weather systems .
True
Two most abundant (common) gases in the atmosphere.
Nitrogen and Oxygen
What is a cloud made of?
Water droplets or Ice crystals
Help predict weather patterns by indicating high or low pressure systems.
Weather maps
Four types of weather fronts
cold, warm , stationary, occluded
Fast moving currents of air that move from west to east in the Northern hemisphere.
Jet streams
Five layers of the Earth's Atmosphere.
Troposhere
Stratosphere
Mesosphere
Thermosphere
Exosphere
Why are clouds important?
Part of Earth's Weather
A measure of the percentage of water vapor in the air.
Humidity
Air masses get their names from_________.
Three major climate zones.
Tropical, temperate and polar