《台风英文简介》ppt课件

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1、typhoon1whatistyphoon2Typhoon’sstructure3Howtyphoonform4whatcantyphoonbring5Howtopreparecontent:Don’tmislead!TyphoonisthewindblowingtoTaizhou.Whatistyphoonintheword？Typhoon小灰灰：Daddy，whatistyphoon,couldyoutellme？灰太狼：Stupid！Howcanyounottoknowit?TyphoonisthewindblowingupfromTaiwan.（Apanappear

2、……）whatistyphoon？(1)TyphoonisanameusedineastAsiaforaHurricane.(2)TyphoonisatypeofcycloneoccurringinthewesternregionsofthePacificOcean.(3)Atyphoonissimilartoahurricaneinlevelsofdestructiveness.(4)ThewordtyphooncomesfromtheChinesetermtai-fungmeaninggreatwind.Typhoon’sstructureTyphoonSurround

3、ingareamaximumwindspeedTheeyeoftyphoonTheeyeOftyphoonTheeyeoftyphoonliesinthecenteroftyphoon,shapedlikeanovaloracircle.Thediameterrangefrom10kmto70km,45kmonaverage.Thewindspeedandairpressureintheeyeoftyphoonbotharethelowest,andtheweatherappeartobewindless,partlycloudy,warmanddry.Thelevelof

4、typhoonSuperTY：Theaveragewindspeedinthecenterofbottomishigherthan51.0m/s,thelevel16orhigher.STY：Theaveragewindspeedinthecenterofbottomrangesfrom41.5m/sto50.9m/s，thelevel14-15.TY：Theaveragewindspeedinthecenterofbottomrangesfrom32.7m/sto41.4m/s，thelevel12-13.HowtyphoonformInmeteorology,atrop

5、icalcycloneisastormsystemfueledbytheheatreleasedwhenmoistairrisesandcondenses.Thenameunderscorestheirorigininthetropicsandtheircyclonicnature,whichisthatitscirculationiscounterclockwiseinthenorthernhemisphereandclockwiseinthesouthernhemisphere.Theyaredistinguishedfromothercyclonicwindstorm

6、ssuchasnor'easters,Europeanwindstorms,andpolarlowsbytheheatmechanismthatfuelsthem,whichmakesthem"warmcore"stormsystems.GeostrophicdeflectionforceTyphooncanbring……hold住！！！Thetree：Ah！Idon’twanttodie……Freeswimmingpool1、Listenforwarningsfromyourlocalofficialsorweatherpersonnelinsituationswhere

7、evacuationisordered.Notetheevacuationroutesandplantoleaveearly.2、Closethedoorsandwindowsfirmly台风来啦！Whatshouldwedowhentyphooniscaming……居委会大妈淡定哥3、Remembertoshutoffelectricity,waterandgastoyourhomebeforeevacuating.4、Ifyoucan,storetwoweeksworthoffoodandwater.5、Sto