Fronts
What is a weather front?
A boundary between two air masses
What symbols represent air pressures?
H & L
Moves weather conditions from west to east across the US
jet stream
A warm water current that flows along the east coast of the US
Gulf stream
What is a easy way to remember high and low pressure weather?
L for lowsy weather
H for happy weather
A weather front occurs when a cold air mass and a warm air mass meet, but cannot move one another so they both stay still for several days.
stationary front
Stormy weather is associated with which air pressure
Which has the greatest effect on the movement of the jet stream?
differences in air temperatures
Which weather conditions are mostly affected by the guld stream?
temperature and precipitation
Occurs when a warm mass overtakes a cold air mass.
Occluded front
This front brings light to moderate rain
warm front
Clear skies with calm condition is associated with which air pressure?
High air pressure
The coriolis effect cause object to curve to the ___in the north and _____ in the south.
right and left
The unusual warming of the Pacific Ocean
El Nino
If you were in a plane traveling from west to east, you would get there ________ than if you travel from east to west.
faster
What are the effects of a cold front?
frequent rain and thunderstorm.
Michael wants to go camping but observes the air pressure over the last couple of days has been dropping. What weather will most likely result?
rain
What will most likely result when the jet stream moves south of North Carolina?
North Carolina will experience cold weather.
The temperature will decrease
Causes warmer, dryer conditions (drought) in Northern US and Canada.
El Nino
What causes wind?
Difference in air temperature due to uneven heating of the earth
A warm front occurs when this happens.
Warm air mass replaces a cold air mass.
True of False
A low-pressure system usually brings warm dry air and clear skies, while a high-pressure system usually brings warm moist air and precipitation.
False
which wind is responsible for bringing cold are from the north into the US?
Prevailing westerlies
Causes cooler temperature, rain and flooding in Northern US and Canada.
La Nina
This wind is responsible for the southern oscilations in the Pacific Ocean
Trade Winds