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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
参考答案
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The circulation around a low pressure center in the Northern Hemisphere is ______.A.counterclockwiseB.variableC.clockwiseD.Anticyclonic
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If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere? ______.A.South-southwesterlyB.North-northwesterlyC.South-southeasterlyD.North-northeasterly
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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 northeastB.East to southeastC.North to northwestD.South to southeast
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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 eastB.north to westC.north to eastD.south to west
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In the Northern Hemisphere, when the wind at your location is northerly, the low pressure center causing the wind is located to your ______.A.NNWB.WSWC.ESED.SSW
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单选题According to Buys Ballot’s law，when an observer in the Northern Hemisphere experiences a northwest wind，the center of low pressure is located to the（）.A
northeastB
west-southwestC
northwestD
south-southeast
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单选题In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the（）.A
Southwest，clockwise to northwestB
Northeast，clockwise to west-southwestC
Northeast，counterclockwise to northwestD
East，counterclockwise to south-southwest
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单选题In the Northern Hemisphere，an area of counterclockwise wind circulation surrounded by higher pressure is a（）.A
lowB
highC
warm frontD
cold front
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单选题When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.A
You should experience hot，moist，clear weatherB
The wind direction is generally easterlyC
The winds should be from the southwest at your locationD
The winds should be brisk
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单选题In the Northern Hemisphere，winds veering sharply to the west or northwest with increasing speed are indications that a（）.A
cold front has passedB
low pressure center is approachingC
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单选题The direction of the surface wind is（）.A
directly from high pressure toward low pressureB
directly from low pressure toward high pressureC
from high pressure toward low pressure deflected by the earth's rotationD
from low pressure toward high pressure deflected by the earth's rotation
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单选题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 northeastB
East to southeastC
North to northwestD
South to southeast
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单选题What will a veering wind do（）.A
Change direction in a clockwise manner in the Northern HemisphereB
Circulate about a low pressure center in a counterclockwise manner in the Northern HemisphereC
Vary in strength constantly and unpredictablyD
Circulate about a high pressure center in a clockwise manner in the Southern Hemisphere
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单选题The greater the pressure difference between a high and a low pressure center，the（）.A
dryer the air mass will beB
cooler the temperature will beC
greater the force of the wind will beD
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单选题You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm（）.A
Place the wind on the starboard quarter and hold that courseB
Place the wind on the port quarter and hold that courseC
Place the wind on the port bow and hold that courseD
Place the wind on the starboard bow and hold that course
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单选题If an observer in the Northern Hemisphere faces the surface wind，the center of low pressure is to his（）.A
left，slightly behind himB
right，slightly behind himC
left，slightly in front of himD
right，slightly in front of him
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单选题In the Northern Hemisphere，a wind that shifts counterclockwise is a（）.A
veering windB
backing windC
reverse windD
chinook wind
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单选题In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.A
NNWB
WSWC
ESED
SSW
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单选题A katabatic wind blows（）.A
up an incline due to surface heatingB
in a circular patternC
down an incline due to cooling of the airD
horizontally between a high and a low pressure area
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单选题Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.A
A backing windB
A veering windC
A northerD
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单选题The circulation around a low pressure center in the Northern Hemisphere is（）.A
counterclockwiseB
variableC
clockwiseD
anticyclonic
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单选题If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect（）.A
South to westB
South to eastC
West to northD
North to east
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