Fronts
What is a front?
A boundary between two air masses with different temperatures
What directions do jet streams flow?
They flow from West to East
What causes convection currents?
Differences in air temperatures and pressure
What is a land breeze?
Winds that blow from the land to the ocean.
Polar areas are located near the _____________
What are the poles?
What front is when a cold air mass pushes into a warm air mass?
What is a cold front
How does the jet stream affect weather in the US?
It moves weather systems from West to East and can block cold air from the poles
What is an air mass?
A large body of air with uniform temperatures and humidity
What is a sea breeze?
Winds that blow from the ocean to the land
Tropical areas are located near the _____________.
What is the equator?
What is a stationary front?
A front where neither air mass is strong enough to push the other out, resulting in unchanging weather
What effect does the jet stream have on storms?
The jet stream can move storms and other weather systems
What is the role of temperature in convection currents?
Temperature differences causes warm air to rise and cool air to sink.
Prevailing westerlies start on the ___________ and move ___________.
What is west to east
What is a Continental polar air mass?
What is the difference between a cold front and a warm front?
A cold front pushes under warm air, while a warm front moves over cold air
What is the typical speed of jet streams?
Jet streams flow at speed up to 200 mph
DAILY DOUBLE: Why does warm air rise?
Warm air rises because it is less dense than cool air
True or False: All prevailing westerlies are jet streams.
What is false
What is the name of the air mass near Florida's coast?
What is Maritime tropical?
Describe an occluded front
What is a warm air mass surrounded by two cold air masses?
How do jet streams help jet planes?
Jet planes move faster through jet streams when flowing from west to east with them.
True or False: All ocean currents are convection currents.
What is true
Jet streams are located between what two atmospheres?
What are the troposphere and stratosphere?
If we lived in South America, what kind of air masses would be at the top of the country?
What is tropical air masses?