The direction of prevailing winds in the Northern hemisphere is caused by the ______.
A.Magnetic field at the North Pole
B.Gulf Stream
C.Earth's rotation
D.Arctic cold fronts
第1题:
If the center of low pressure is due west of you in the Northern Hemisphere, which wind direction should you expect?
A.South to west
B.South to east
C.West to north
D.North to east
第2题:
In the Northern Hemisphere a wind is said to veer when the wind ______.
A.changes direction clockwise, as from north to east, etc
B.changes direction counterclockwise, as from south to east, etc
C.changes direction violently and erratically
D.remains constant in direction and speed
第3题:
In the Southern Hemisphere winds in a low pressure system rotate in a ______.
A.clockwise direction
B.northeasterly direction
C.northerly direction
D.counterclockwise direction
第4题:
weak pressure gradients and light,variable winds
the formation of typhoons or hurricanes in certain seasons
steady winds in one direction for six months followed by wind reversal for the next six months
steady winds generally from the southeast in the Southern Hemisphere
第5题:
high density will be on the left in the Northern Hemisphere
high density will be on the right in the Southern Hemisphere
low density will be on the left in the Northern Hemisphere
low density will be on the left in the Southern Hemisphere
第6题:
makes no change at all
is somewhat lower than it would be for winds from a northern quadrant
is uncertain and may fluctuate by increasing and decreasing
is somewhat higher than it would be for winds from the northern quadrant
第7题:
light,variable winds with little or no humidity
strong,gusty winds that blow from the same general direction all year
steady winds that reverse direction semiannually
strong,cyclonic winds that change direction to conform to the passage of an extreme low pressure system
第8题:
You should experience hot,moist,clear weather
The wind direction is generally easterly
The winds should be from the southwest at your location
The winds should be brisk
第9题:
cold front has passed
low pressure center is approaching
stationary front exists
high pressure center has passed
第10题:
East to northeast
East to southeast
North to northwest
South to southeast
第11题:
the wind speed is greater here since the wind is traveling in the same general direction as the storm's track
the direction of the wind and seas might carry a vessel into the path of the storm
the seas are higher because of greater wind speed
All of the above
第12题:
clockwise direction
northeasterly direction
northerly direction
counterclockwise direction
第13题:
If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?______.
A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast
第14题:
In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.
A.south to east
B.north to west
C.north to east
D.south to west
第15题:
In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect?______.
A.South to west
B.South to east
C.North to west
D.North to east
第16题:
falling
rising
constant
same
第17题:
Floating
Sailing
Drifting
Running into danger
第18题:
Magnetic field at the North Pole
Gulf Stream
Earth's rotation
Arctic cold fronts
第19题:
Clockwise and outward
Counterclockwise and inward
Counterclockwise and outward
Clockwise and inward
第20题:
Changes direction clockwise,as from north to east,etc
Changes direction violently and erratically
Remains constant in direction and speed
Changes direction counterclockwise,as from south to east,etc
第21题:
Pressure gradient
Coriolis effect
Aurora borealis
Ballistic deflection
第22题:
Change direction in a clockwise manner in the Northern Hemisphere
Circulate about a low pressure center in a counterclockwise manner in the Northern Hemisphere
Vary in strength constantly and unpredictably
Circulate about a high pressure center in a clockwise manner in the Southern Hemisphere
第23题:
West or northwest
Northeast
Southeast
North