Local Winds
Which is true about sea breezes?
A. They form when both the land and the ocean have cooler temperatures.
B. They form when both the land and the ocean have warmer temperatures.
C. They form because the land warms up more quickly than the cooler ocean waters.
D. They form because the ocean warms up more quickly than the cooler land masses.
C. They form because the land warms up more quickly than the cooler ocean waters.
Which weather pattern has the most influence on the weather in North Carolina?
A. Polar Easterlies
B. Polar Westerlies
C. Prevailing Easterlies
D. Prevailing Westerlies
B. Polar Westerlies
Which best describes a characteristic of the jet stream?
A. It forms a boundary between a cold air mass and a warm air mass.
B. It creates the high winds around the eye of a hurricane.
C. It forces the hot air along the equator to rise to areas in North America.
D. It causes high pressure air masses to rotate clockwise.
A. It forms a boundary between a cold air mass and a warm air mass.
Which describes a wind that moves from the land to the sea overnight?
A. land breeze
B. sea breeze
C. trade wind
A. land breeze
In which direction do weather patterns move in the United States?
A. south to north
B. west to east
C. east to west
B. west to east
Why do most storms move from the west coast of America to the east coast?
A. El Niño
B. La Niña
C. the jet stream
C. the jet stream
What is described by air that is constantly moving because of the differences in water temperature and land temperature?
A. tides
B. hurricanes
C. sand dunes
D. sea breezes
D. sea breezes
If the jet stream moves north over North Carolina, what type of weather would you expect to see?
some rain followed by warm weather
A meteorologist noticed an increase of wind speed caused by temperature changes in an upcoming weather pattern. Which best describes why this is happening?
A. The greater the temperature difference between the air masses, the slower the wind blows in the jet stream.
B. The greater the temperature difference between the air masses, the faster the wind blows in the jet stream.
C. The lesser the temperature difference between the air masses, the faster the wind blows in the jet stream.
B. The greater the temperature difference between the air masses, the faster the wind blows in the jet stream.
What happens to warm air?
It rises
Which is the best explanation for how air masses move across the United States?
A. The prevailing westerlies move air masses from west to east across the United States but may be deflected by the jet stream.
B. The trade winds move air masses from west to east across the United States.
C. The jet stream moves air masses from the Pacific Ocean across the United States.
D. The warm air of the Gulf Stream causes air masses to move from the Atlantic Ocean to the Pacific Ocean.
A. The prevailing westerlies move air masses from west to east across the United States but may be deflected by the jet stream.
What will most likely result when the jet stream moves south of North Carolina?
A. North Carolina will experience tropical weather conditions.
B. North Carolina will experience hot, dry weather.
C. North Carolina will experience mild weather.
D. North Carolina will experience cold weather.
D. North Carolina will experience cold weather.
Describe what happens to the cold air mass during a sea breeze?
(Hint: What direction does it go?)
Blows from the sea.
A weather system from the Gulf of Mexico brings heavy precipitation to an area. Which best describes the air mass?
A. cold air mass
B. tropical air mass
C. low pressure air mass
D. high pressure air mass
C. low pressure air mass
Which has the greatest effect on the movement of the jet stream?
A. size of clouds
B. amount of precipitation
C. differences in air temperatures
C. differences in air temperatures