What is a front?
boundary separating bands of thunderstorms and severe weather
What are jet streams.
Fast flowing air currents
What does a weather map do?
A weather map and its symbols gather a lot of weather information quickly and without using a lot of words. Just as equations are the language of mathematics, weather symbols are the language of weather.
What are the 2 characteristics air masses are named after?
Humidity and temperature
When does a weather pattern occur?
A weather pattern occurs when the weather stays the same for days or weeks at a time.
Where does a warm front form?
Warm fronts often form on the east side of low-pressure systems where warmer air from the south is pushed north.
Sea breezes occur during the ________
day
Cold front
What are the different types of air masses
Continental polar marine, time polar, continental tropical marine, time tropical
Hot air _______ while cold air _______
Rises, presses down
How does a warm front form?
A warm air mass pushes into a colder air mass
Land breezes occur during the
night
Warm front symbol
What do fronts and air masses have in common
the warmer air rises above the colder In the northern hemisphere, most fronts travel from west to east carrying clouds and rain.
What is the heat source that causes convection currents?
The sun
How does a cold front form?
Fast moving cold air mass over takes a warm air mass
What is a similarity between temperatures of areas on the Globe and hurricanes?
Hurricanes form over warm oceans, where the surface temp is warmer
Why do we need to understand the symbols on a weather map?
A weather map and its symbols are meant to convey a lot of weather information quickly and without using a lot of words. Just as equations are the language of mathematics, weather symbols are the language of weather, so that anyone looking at a map should be able to decipher the same exact information from it.
What are the four types of air masses and where does each form?
Polar forms over cold areas, tropical forms over warm areas, continental forms over land, and maritime forms over the oceans.
At the _________ hot air rises creating _______ _______
Equator, Low pressure
How does an occluded front affect weather?
3 things a hurricane needs to form
Warm ocean water
winds coming
winds outward
humid air rising
light winds outside hurricane
Stationary Front symbol
How do they affect weather patterns
By creating fronts and jetstreams.
What causes weather patterns to change?
Daily? Seasonally?
winds and storms. Seasonal changes are due to the Earth revolving around the sun.