Air Masses
Fronts
Storms
Weather Forecasting
Mixed
100
A huge body of air that has similar temperature, humidity and air pressure at any given height is called what?
Air mass
100
A fast moving cold air mass overtakes a warm air mass
Cold front
100
The sudden discharge of electricity in a storm is refered to as what?
Lightening
100
What is the first step in weather forecasting ?
Collecting data
100
Bands of high speed winds above Earth's surface are called what?
Jet streams
200
Air masses can be classified according to what?
Temperature and humidity
200
A warm air mass overtakes a slow moving cold air mass
Warm front
200
In which type of clouds do tornados form?
Cumulonimbus clouds
200
Scientists who study the causes of weather and try to predict it are called what?
Meterorologists
200
All year round, most precipitation begins in clouds as what?
Snow
300
This type of air mass forms over oceans
Maritime
300
What front forms when cold and warm air masses meet, but neither can move the other?
Stationary front
300
The storms that produce the highest winds are?
Tornadoes
300
Lines joining places on the map that have the same air pressure are called what?
Isobars
300
This begins over warm ocean water as a low pressure area or tropical disturbance
A hurricane
400
What type of air masses form in the tropics and have low air pressure?
Tropical
400
What type of weather do cold fronts bring?
Clouds and precipitation
400
A dome of water that sweeps across the coast where the hurricane lands is called what ?
Storm surge
400
Lines joining places on a map that have the same temperature are called what?
Isotherms
400
The states in the United States that tornadoes are most common in are called what?
tornado alley
500
Which type of air mass brings cool, humid weather to the West Coast of the United States?
Maritime polar
500
When two cool air masses cut a warm air mass off from the ground, which kind of front forms?
Occluded front
500
Hurricanes that strike the East Coast of the United States are most common in what 3 months ?
May, June, July
500
small changes in the atmosphere today can causes large changes in the future
The butterfly effect
500
Why should you avoid touching metal objects during a thunderstorm?
Because they conduct electricity
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