Storms
Air masses and Fronts
Precipitation
Water in the Atmosphere
Predicting the Weather
100
What is lightning?
Lightning is a sudden spark, or electrical discharge.
100
how does a cyclone spin?
counter clockwise, and inward
100
What is freezing rain?
Freezing rain is rain that freeze when they touch cold ground.
100
What is humidity?
Humidity is the amount of water vapor in the air.
100
What is the general time you can not predict weather with very much accuracy?
about a month
200
What is a storm?
A storm is a violent disturbance in the atmosphere.
200
What are the 4 types of fronts?
Cold front, Warm front, Stationary front, Occluded front
200
What is rain?
Rain is drops of water 0.5mm in diameter or bigger that usually fall from stratus clouds.
200
What is another name for the temp. condensation begins at?
Dew point
200
What do you use to graph fronts on a map?
You make a line with triangles point the way the cold front is going. You make a line with half circles facing the way the warm front is going.
300
What type of clouds do tornadoes form in?
cumulonimbus
300
How does a anticyclone spin?
clock wise, and outward
300
What are the common types of precipitation?
rain, hail, snow, and freezing rain.
300
What is the water cycle?
The never ending movement of water between the atmosphere and Earth's surface is called the water cycle.
300
What are sone of the instruments you can use to gather weather data?
Balloons, satellites, radar, and surface instruments
400
What are floods?
Floods are when a lot of water gets stuck on land and makes a lake where one was not in the first place.
400
What is hail?
Hail are pellets if ice that are 5mm in diameter or bigger.
400
What can relative humidity be measured with?
A psychrometer
400
What do meteorologists do?
They make the weather forecast/predict it by gathering weather data.
500
How does a hurricane begin?
A hurricane begins over warm ocean water as low pressure area, or tropical disturbance.
500
What are the 4 main types of air masses in North America?
Maritime tropical, continental tropical, maritime polar, continental polar
500
What is snow?
Snow is a ice crystal that has 6 sides.
500
What are the 8 different types of clouds?
Cirrus, Cirrocumulus, cumulus, stratus, nimbostratus, altostratus, altocumulus, and cumulonimbus
500
What do meteorologists use to analyze their data?
maps, charts, and computers that have a radar
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