A.elevation
B.temperature
C.wind speed
D.latitude
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A.apparent wind speed only
B.true wind speed and true wind direction
C.true wind speed only
D.apparent wind speed and true wind direction
A.high clouds
B.middle clouds
C.low clouds
D.vertical development clouds
A.high barometric pressure
B.jet stream
C.storm surge
D.torrential rains
A.cat's paw
B.hog's breath
C.williwaw
D.chinook
A.altostratus
B.stratus
C.cumulus
D.cirrus
最新試題
Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
What is the first visible indication of the presence of a tropical cyclone or hurricane（）.
What kind of pressure systems travel in easterly waves（）.
What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.
The doldrums are characterized by（）.
Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.
The wind is（）and decreasing.
In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.