A.Wall cloud
B.Nimbostratus cloud
C.Bar
D.Funnel
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A.Spiral rainbands
B.Cloud walls
C.Funnel clouds
D.Cyclonic spirals
A.Wind direction
B.Percentage of cloud cover
C.Wind speed
D.Barometric pressure
A.polar easterlies
B.prevailing westerlies
C.roaring forties
D.jet streams
A.Sailing plans to be sent before departure
B.More frequent reports in heavy weather
C.Arrival reports to be sent within 8 hours of arrival
D.A position report within 24 hours of departure
A.Bora
B.Gust
C.Gregale
D.Floe
最新試題
Of the following，（）is not a wind．
If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect（）.
Mechanical lifting of air by the upslope slant of the terrain is called（）.
The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.
Weather observations provided by each weather station include all of the following except（）.
After a cold front passes，the barometric pressure（）.
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?（）.
The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.
It is predicted that heavy rains are（）to flood the harbor and its vicinity in a few days.
While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.