Weather observations provided by each weather station include all of the following except().
A、temperature
B、visibility
C、predicted weather for the next twelve hours
D、barometric pressure and change in the last three hours
A、temperature
B、visibility
C、predicted weather for the next twelve hours
D、barometric pressure and change in the last three hours
A、Clear weather with no wind,but the possibility of rain or snow within 24 hours B、Deteriorating weather with rain or snow C、Heavy rain or severe thundershowers D、Clearing weather,possibly accompanied by high winds
A、With a radio weather bulletin or weather fax B、using shipboard radar C、observe the wind direction and apply Buys Ballot's law D、All of the above
A、Southwest,clockwise to northwest B、Northeast,clockwise to west-southwest C、Northeast,counterclockwise to northwest D、East,counterclockwise to south-southwest
A、use of low viscosity oil in cold weather B、increased moisture content of inlet air in cold weather C、increased drag of pistons and bearings due to increased oil viscosity D、higher compression pressures reached due to smaller clearances existing in the engine during cold weather
A、rapidly improving weather B、deteriorating weather C、a severe low pressure system D、fair weather and calm
A、rainy weather for the next 48 hours B、high seas C、improving weather conditions D、deteriorating weather conditions
A、Selected Worldwide Marine Weather Broadcasts B、your local newspaper C、the Notice to Mariners D、the daily weather map