Air Masses
Warm air rises because...
What is... it is less dense than cold air.
When two air masses collide it forms a __________.
What is a front?
Tornadoes are formed by a _____________ cloud.
What is a cumulonimbus cloud?
Hurricanes spin because of Earth's rotation. This is called the __________ ________.
What is the Coriolis Effect?
Name the three instruments that measure:
Temperature
Air Pressure
Wind Speed
Humidity
What are a thermometer, barometer, anemometer, and a hygrometer?
Maritime polar air masses are...
What is humid & cold?
Draw a warm front symbol.
What is a line with red half circles on it?
An F___ would be the most dangerous and destructive tornado.
What is an F5?
The eye of the hurricane can be almost 100 mi across and UNLIKE the rest of the storm it is very _______.
What is calm and tranquil?
Rain, Snow, Sleet & Hail
What are the types of precipitation?
Deserts are created by ________________ _____ air masses because they are warm and dry.
What is continental tropical (cT)?
Cold dense air sneaks under warm rising air to form a ___________ front.
What is a cold front?
Tornado season is...
When is spring and early summer?
Hurricane season is...
What is late summer and fall?
The conditions of the atmosphere at a certain place and time is the _____________.
What is weather?
Unequal heating of the Earth causes...
What are pressure changes in the atmosphere (warm air from the equator rises = low pressure, cold air from the poles sinks = high pressure)?
Two cold air masses with a warm air mass squeezed between them.
What is an occluded front?
A tornado is a narrow intense storm with extremely high winds, but they usually only last _____________.
What is 5-10 minutes?
As the hurricane moves inland, it brings flooding called a ____________ __________.
What is a storm surge?
A _________ front can make a __________ storm & with the right conditions might drop a __________.
What is cold, thunder, and tornado?
Continental Polar air masses and Arctic air masses are similar because....
What is... they are both cold and dry (formed over land)?
Explain what happens at a stationary front?
What is...A warm air mass and a cold air mass collide but neither is strong enough to take over (bringing many days of cloudy weather).
Most tornadoes occur in the United States in an area called ______________ ___________.
What is Tornado Alley (Texas, Oklahoma, Kansas, Nebraska)?
Hurricanes MUST have warm ___________ and as it moves over _________ it will start to lose strength and die.
What is water and land?
Clouds come from ___________ during the water cycle.
What is condensation?