Composition of the Atmosphere
Layers of the Atmosphere
Air Masses and Fronts
Severe Weather
Weather Instruments
100

The layer of gases that surround the Earth

Atmosphere

100

Layer that contains ozone

Stratosphere

100

An air mass that forms over water

Maritime

100

An intense local storm that forms strong winds, heave rains, thunder, lightning and sometimes hail

Thunderstorm

100

Tool used to measure the amount of precipitation that has fallen

Rain gauge

200

Most abundant gas in the atmosphere

Nitrogen

200

Coldest layer of the atmosphere

Mesosphere

200

This front is represented by blue triangles

Cold Front

200

A rotating column of air that has very high wind speeds

Tornado

200

Weather tool used to measure the amount of heat in the atmosphere

Thermometer

300

Natural occurring gas found in the atmosphere that shields the Earth from UV rays

Ozone

300

Layer with the high air pressure

Troposphere

300

An air mass is a huge body of air 3 similar things, what are they?

Temperature, humidity, and air pressure

300

A tropical low pressure system with heavy winds, storm surges, and an eye

Hurricane

300

The tool that measure wind speed

Anemomter

400

Gas in the atmosphere that is responsible for cloud formation and precipitation

Water Vapor

400

Layer where satellites orbit

Exosphere

400

A warm air mass is caught between two cold air masses

Occluded Front

400

Scale used for tornado classification

Fujita Scale

400

The tool that measure the amount of air pressure

Barometer

500

What percentage of the atmosphere does Nitrogen and Oxygen make up together?

99%

500

Layer that contains the ionosphere

Thermosphere

500

A cold air mass and a warm air mass move toward each other and are stalled, with neither moving

Stationary Front

500

Severe Weather has been spotted in an area. This area would receive a storm                           .

Warning

500

Two tools that measure wind direction

Wind vane and wind sock

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