气象1.docx

气象1.docx

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气象1

[1]______causingstrongwindsandroughseanorthwestBayofBiscay．

A.Stronglowpressure

B.Stronghighpressure

C.Steeppressuregradient

D.Steepgradientpressure

[2]Aboundarybetweentwoairmassesisa（n）______.

A.lapserate

B.isobar

C.front

D.continent

[3]Acloudsequenceofcirrus，cirrostratus，andaltostratuscloudsfollowedbyrainusuallysignifiestheapproachofa（n）______.

A.occludedfront

B.stationaryfront

C.warmfront

D.coldfront

[4]Acycloneinitsfinalstageofdevelopmentiscalleda（n）______.

A.tornado

B.anticyclone

C.occludedcycloneoroccludedfront

D.polarcyclone

[5]Afrontalthunderstormiscausedby______.

A.pronouncedlocalheating

B.windbeingpushedupamountain

C.awarmairmassrisingoveracoldairmass

D.anincreasedlapseratecausedbyadvectionofwarmsurfaceair

[6]Agenerallycircularlowpressureareaiscalleda（n）______.

A.cyclone

B.anticyclone

C.coldfront

D.occludedfront

[7]Alineofclouds，sharpchangesinwinddirection，andsquallsaremostfrequentlyassociatedwitha（n）______.

A.occludedfront

B.warmfront

C.coldfront

D.warmsector

[8]Aseabreezeisawind______.

A.thatblowstowardstheseaatnight

B.thatblowstowardsanislandduringtheday

C.causedbycoldairdescendingacoastalincline

D.causedbythedistantapproachofahurricane

[9]Aseriesofbriefshowersaccompaniedbystrong，shiftingwindsmayoccuralongorsomedistanceaheadofa（n）______.

A.upperfrontaloft

B.cyclone

C.occludedfront

D.coldfront

[10]Awarmairmassischaracterizedby______.

A.stability

B.instability

C.gustywinds

D.goodvisibility

[11]Anoccludedfrontiscausedbya（n）______.

A.lowpressurearea

B.highpressurearea

C.areaofcalmair

D.coldfrontovertakingawarmfront

[12]Asacoldfrontpassesanobserver，pressure______.

A.dropsandwindsbecomevariable

B.risesandwindsbecomegusty

C.dropsandwindsbecomegusty

D.risesandwindsbecomevariable

[13]Brief，violentshowersfrequentlyaccompaniedbythunderandlightningareusuallyassociatedwith______.

A.passageofawarmfront

B.passageofacoldfront

C.windsshiftingcounterclockwiseintheNorthernHemisphere

D.stationaryhighpressuresystems

[14]Cyclonestendtomove______.

A.perpendiculartotheisobarsintheirwarmsectors

B.paralleltotheisobarsintheirwarmsectors

C.paralleltothelineofthecoldfront

D.perpendiculartothelineofthecoldfront

[15]IntheNorthernHemisphere，anareaofcounterclockwisewindcirculationsurroundedbyhigherpressureisa______.

A.low

B.high

C.warmfront

D.coldfront

[16]IntheNorthernHemisphere，gustywindsshiftingclockwise，arapiddropintemperature，thunderstormsorrainsquallsinsummer（frequentrain/snowsquallsinwinter）thenariseinpressurefollowedbyclearingskies，indicatethepassageofa（n）______

A.warmfront

B.tropicalcyclone

C.anticyclone

D.coldfront

[17]MODERATEWAVES，TAKINGAMOREPRONOUNCEDLONGFORM；MANYWHITEHORSESAREFORMED．THISseaconditionislikelytobetermed______.

A.moderatebreeze

B.freshbreeze

C.strongbreeze

D.neargale

[18]Pressuregradientisameasureof______.

A.ahigh-pressurearea

B.pressuredifferenceoverhorizontaldistance

C.pressuredifferenceovertime

D.verticalpressurevariation

[19]Theatmosphereinthevicinityofahighpressureareaiscalleda（n）______.

A.anticyclone

B.coldfront

C.occludedfront

D.cyclone

[20]Thegreaterthepressuredifferencebetweenahighandalowpressurecenter，the______.

A.dryertheairmasswillbe

B.coolerthetemperaturewillbe

C.greatertheforceofthewindwillbe

D.warmerthetemperaturewillbe

[21]Thelegend/symbolwhichdesignatesanoccludedfrontisrepresentedbya______.

A.redline

B.purpleline

C.blueline

D.dashedblueline

[22]Whenwindsofforcereach10-11inBeaufortScale，usuallywecallsuchwindsas______.

A.Hurricane

B.Breeze

C.Storm

D.Gale

[23]______LOWELYSLWLYWITHCOLDFRONTFMCENTO12N179WANDWARMFROMFMCENTO11N171W．

A.SHLW

B.SCTD

C.OBS

D.SW

[24]______movingratherquicklyeastexpected150milessouthofCapeFarewell972by160000GMT．

A.Developedlow

B.Developinglow

C.Beingdevelopedlow

D.Lowtobedeveloped

[25]______rainmeansitrainsinsomepartsofthearea．

A.Squally

B.Isolated

C.Scattered

D.Occasional

[26]Acoldfrontmovinginfromthenorthwestcanproduce______.

A.thunderstorms，hail，andthenrapidclearing

B.increasingcloudcoverlastingforseveraldays

C.lengthywetweather

D.lowceilingswiththickcirrusclouds

[27]Alineonaweatherchartconnectingplaceswhichhavethesamebarometricpressureiscalledan______.

A.isotherm

B.isallobar

C.isobar

D.isotope

[28]Alocalwindwhichoccursduringthedaytimeandiscausedbythedifferentratesofwarmingoflandandwaterisa______.

A.foehn

B.chinook

C.landbreeze

D.seabreeze

[29]Amillibarisaunitof______.

A.humidity

B.precipitation

C.pressure

D.temperature

[30]Aseabreezeisawind______.

A.thatblowstowardstheseaatnight

B.thatblowstowardsanislandduringtheday

C.causedbycoldairdescendingacoastalincline

D.causedbythedistantapproachofahurricane

[31]Aweatherforecaststatesthatthewindwillcommencebacking.IntheNorthernHemisphere，thiswouldindicatethatitwill______.

A.shiftinaclockwisemanner

B.shiftinacounterclockwisemanner

C.continueblowingfromthesamedirection

D.decreaseinvelocity

[32]Aweathermapisasynopticdatabecauseit______.

A.summarizesagreatdealofinformation

B.canbeinterpretedaccurately

C.appearsdaily

D.ispreparedbytheWeatherBureau

[33]AWINDBLOWSROUNDANTICLOCKWISEdefines______.

A.Backing（ofwind）

B.Beach（to）

C.Veering（ofwind）

D.Maintainingdirectionofthewind

[34]Afteracoldfrontpassesthebarometricpressureusually______.

A.fluctuates

B.remainsthesame

C.remainsthesame，withcloudsformingrapidly

D.rises，oftenquiterapidly，withclearingskies

[35]Afteracoldfrontpasses，thebarometricpressure______.

A.drops，andthetemperaturedrops

B.drops，andthetemperaturerises

C.rises，andthetemperaturedrops

D.rises，andthetemperaturerises

[36]Anairmassistermedwarmif______.

A.itisabove70°F

B.thegroundoverwhichitmovesiscoolerthantheair

C.itoriginatedinahighpressurearea

D.itoriginatedinalowpressurearea

[37]Anoccludedfrontonaweathermapiscolored______.

A.blueline

B.purpleline

C.dashedblueline

D.alternateredandblueline

[38]Anticyclonesareusuallycharacterizedby______.

A.dry，fairweather

B.highwindsandcloudiness

C.gustinessandcontinuousprecipitation

D.overcastskies

[39]Asthetemperatureforagivenmassofairincreases，the______.

A.dewpointincreases

B.dewpointdecreases

C.relativehumidityincreases

D.relativehumiditydecreases

[40]BASHI：

ETOSE9-10．500MINHVYSQUALLYSHWRSANDTS．SEA8-9M．SWELLSE6-7M．Fromtheaboveforecast，thewindinBeaufortScalewillbe______.

A.STRONGGALETOSTORM

B.GALETOSTRONGGALE

C.NEARGALETOGALE

D.STRONGBREEZETONEARGALE

[41]CAPEWESTWINDWESTTOSOUTHWEST15TO20KNOTSWEATHERSHOWERS．Thisdescriptionislikelytobeundertheheadingof______.

A.FORECAST

B.STORMWARNING

C.GENERALSITUATION

D.MAPANALYSIS

[42]Duringthevoyagemyship______badweatherinthePacificOcean．

A.meetswith

B.hasmetwith

C.metwith

D.meetedwith

[43]Fleetweatherforecastmessagesaretheexpectedconditionsin______.

A.acertainarea

B.alloceanareas

C.someareas

D.importantareas

[44]Galewarningsareusuallyissuedwhenwindsof______8-9areexpected．

A.windSpeed

B.AirForce

C.windVelocity

D.BeaufortForce

[45]HIGHWAVES；DENSESTREAKSOFFOAMALONGTHEDIRECTIONOFTHEWIND；CRESTSOFWAVESBEGINTOTOPPLE，TUMBLEANDROLLOVER；SPRAYMAYAFFECTVISIBILITY．Thisconditionislikelytobetermed______.

A.strongbreeze

B.neargale

C.gale

D.stronggale

[46]InBeaufortScale，thewindforce7withspeedof28-33knotsisdefinedas______.

A.Moderategale

B.Neargale

C.Stronggale

D.Wholegale

[47]INTERTROPICALCONVERGENCEZONEOVERSOUTHPHILIPPINEPASSINGOVERMINDANAONORTHERNSULUANDPALAWAN．Thisparagraphislikelytobeundertheheadingof______.

A.GALEWARNING

B.24HOURSFORECAST

C.SYNOPSIS

D.STORMWARNING

[48]Ofthefollowing，______isnotawind．

A.bora

B.gust

C.gregale

D.floe

[49]Whenawindblowsroundclockwise，itis______.

A.Variable

B.Changing

C.Backing

D.Veering

[50]Isobarsonasynopticchartareusefulinpredicting______.

A.temperature

B.dewpoint

C.windvelocity

D.relativehumidity

[51]______causingstrongwindsandroughseanorthwestBayofBiscay．

A.Stronglowpressure

B.Stronghighpressure

C.Steeppressuregradient

D.Steepgradientpressure

[52]AhurricanemovingnortheastoutoftheGulfpasseswestofyourposition.YoucouldexpectallofthefollowingEXCEPT______.

A.higherthannormalswells

B.highwinds

C.windsveeringfromsouth，throughwest，tonorthwest

D.lightshowers

[53]Asteepbarometricgradientindicates______.

A.calms

B.lightwinds

C.strongwinds

D.precipitation

[54]Astormisforecastfortheareawhereyourvesselismoored.Foritssafetyyoushouldput______.

A.moreslackinthemooringlines

B.a