A.forecasts B.observations C.analyses D.reports
A.Westerlies B.Easterlies C.Northerlies D.Southerlies
A.short confused swells B.gradually increasing white clouds (mare's tails) C.pumping barometer D.continuous fine mist-like rain
A.High pressure area B.Extratropical low-pressure system C.Tropical storm D.Easterly wave
A.A backing wind B.A veering wind C.A norther D.A strong，gusty wind
