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What weather conditions are associated with high pressure?
Clear skies
What weather conditions are associated with low pressure?
Cloudy and possible precipitation
Which is more dense? Warm water or cold water?
Cold water
Which is more dense? Plain water, semi-salty water, or extremely salty water?
Extremely salty water
What comes first, thunder or lightning?
Lightning, because thunder is the sound of lightning.
What fuels hurricanes?
warm water
How can you tell which direction a front is moving on a weather map?
The way/direction the symbols (triangles, semi-circles) are pointing.
Surface and deep
Are surface currents more likely to be warm or cold and why?
Surface currents are more likely to be warm because warm water is less dense and rises.
Where do hurricanes typically form?
Over warm tropical waters near the Equator.
When air masses collide and they do not mix together well, what is caused?
A front
If an air mass is wet and warm what is it called?
Maritime Tropical
If an air mass is wet and cool what is it called?
Continental Tropical
If an air mass is dry and cool, what is it called?
Continental Polar
What kind of front occurs when a cold air mass and a warm air mass meet but neither can move the other?
Stationary Front
What kind of front occurs when a warm air mass pushes into a cooler air mass?
Warm Front
What kind of front occurs when a cold air mass pushes into a warmer air mass?
What type of front forms when a cold front follows right behind a warm front and the cold front overtakes the warm front because it moves faster?
Occluded Front
Why do most tornadoes happen in Tornado Alley?
The cool, dry air from Canada meets the warm, moist air from the Gulf of Mexico head on.
What is a hurricane called when it occurs over the Indian Ocean?
Cyclone
What is a hurricane called when it occurs over the Northeast Pacific Ocean?
Typhoon
What is global atmospheric circulation (wind) caused by?
The uneven heating of the Earth by the Sun
Name the three global wind convection currents that blow in a fairly constant, predictable pattern around the Earth?
-Tradewinds, Westerlies, and Polar Easterlies or just Easterlies
What is the fast narrow current of air that flows from west to east across the United States?
Jet stream