Water in the Air
Air Masses/Fronts
Severe Weather
Forecasting the Weather
ALL SECTIONS
100
the condition of the atmosphere at a certain time and place
What is WEATHER?
100
a large body of air where temperature an moisture content are similar throughout
What is air mass?
100
small intense weather systems that produce strong winds, heavy rain, lightning, and thunder are
What are thunderstorms?
100
a tool used to measure air temperature
What is a thermometer?
100
the temperature at which gas condenses to liquid
What is dew point?
200
the amount of water vapor in the air
What is humidity?
200
the area in which two types of air masses meet is called
What is a front?
200
an electric discharge that occurs between a positively charged area and a negatively charged area
What is lightning?
200
an instrument used to measure air pressure
What is a barometer?
200
thunderstorms come from
What are cumulonimbus clouds
300
the amount of water vapor in the air compared with the maximum amount of water vapor that the air can hold at a certain temperature
What is relative humidity?
300
areas that have low pressure than the surrounding areas do are called
What are cyclones?
300
the sound that results from the rapid expansion of air along the lightning strike
What is thunder?
300
an instrument used to measure wind speed
What is an anemometer?
300
water in solid or liquid form, that falls from the air to Earth
What is precipitation?
400
the process by which a gas, such as water vapor, becomes a liquid
What is condensation?
400
areas that have pressure are called
What are anticyclones?
400
a small spinning column of air that has high wind speeds and low central air pressure that touches the ground
What is a tornado?
400
used to find location, movement, and amount of precipitaion
What is radar?
400
maritime, continental, polar, and tropical
What are air masses?
500
a collection of millions of tiny water droplets or ice crystals
What is a cloud?
500
Cold, Warm, Occluded, and Stationary are names of
What are fronts?
500
a large, rotating tropical weather system that has winds speeds of at least 120 km/h
What is a hurricane?
500
these orbit the Earth and provide the images of weather systems that you see on TV weather reports
What are weather satellites?
500
prediction of weather conditions over the next 3 to 5 days
What is a weather forecast?
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