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ID:32441680
大小:2.48 MB
页数:16页
时间:2019-02-04
《【5A版】台风英文简介.ppt》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、typhoon1whatistyphoon2Typhoon’sstructure3Howtyphoonform4whatcantyphoonbring5Howtopreparecontent:Don’tmislead!TyphoonisthewindblowingtoTaizhou.Whatistyphoonintheword?Typhoon小灰灰:Daddy,whatistyphoon,couldyoutellme?灰太狼:Stupid!Howcanyounottoknowit?TyphoonisthewindblowingupfromTaiwan.(Apanapp
2、ear……)(1)TyphoonisanameusedineastAsiaforaHurricane.(2)TyphoonisatypeofcycloneoccurringinthewesternregionsofthePacificOcean.(3)Atyphoonissimilartoahurricaneinlevelsofdestructiveness.(4)ThewordtyphooncomesfromtheChinesetermtai-fungmeaninggreatwind.whatistyphoon?返回Typhoon’sstructureTyphoon
3、SurroundingareamaximumwindspeedTheeyeoftyphoonTheeyeOftyphoonTheeyeoftyphoonliesinthecenteroftyphoon,shapedlikeanovaloracircle.Thediameterrangefrom10kmto70km,45kmonaverage.Thewindspeedandairpressureintheeyeoftyphoonbotharethelowest,andtheweatherappeartobewindless,partlycloudy,warmanddry
4、.SuperTY:Theaveragewindspeedinthecenterofbottomishigherthan51.0m/s,thelevel16orhigher.STY:Theaveragewindspeedinthecenterofbottomrangesfrom41.5m/sto50.9m/s,thelevel14-15.TY:Theaveragewindspeedinthecenterofbottomrangesfrom32.7m/sto41.4m/s,thelevel12-13.TheleveloftyphoonInmeteorology,atrop
5、icalcycloneisastormsystemfueledbytheheatreleasedwhenmoistairrisesandcondenses.Thenameunderscorestheirorigininthetropicsandtheircyclonicnature,whichisthatitscirculationiscounterclockwiseinthenorthernhemisphereandclockwiseinthesouthernhemisphere.Theyaredistinguishedfromothercyclonicwindst
6、ormssuchasnor'easters,Europeanwindstorms,andpolarlowsbytheheatmechanismthatfuelsthem,whichmakesthem"warmcore"stormsystems.HowtyphoonformGeostrophicdeflectionforceTyphooncanbring……hold住!!!Thetree:Ah!Idon’twanttodie……Freeswimmingpoolback1、Listenforwarningsfromyourlocalofficialsorweatherpe
7、rsonnelinsituationswhereevacuationisordered.Notetheevacuationroutesandplantoleaveearly.2、Closethedoorsandwindowsfirmly台风来啦!Whatshouldwedowhentyphooniscaming……居委会大妈淡定哥3、Remembertoshutoffelectricity,waterandgastoyourhomebeforeevacuating.4、Ifyoucan,storetwoweeksworthoffoodandwater
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