A.Spiral rainbands
B.Cloud walls
C.Funnel clouds
D.Cyclonic spirals
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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
A.South to west
B.South to east
C.West to north
D.North to east
最新試題
The Beaufort scale is used to estimate the（）.
If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect（）.
When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.
Weather forecast messages are usually（）.
Weather information is available from（）.
Of the following，（）is not a wind．
What will a veering wind do（）.
HIGH WAVES；DENSE STREAKS OF FOAM ALONG THE DIRECTION OF THE WIND；CRESTS OF WAVES BEGIN TO TOPPLE，TUMBLE AND ROLL OVER；SPRAY MAY AFFECT VISIBILITY.This condition is likely to be termed（）.
While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.
Weather conditions in the middle latitudes generally move（）．