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1、typhoon1whatistyphoon2Typhoon’sstructure3Howtyphoonform4whatcantyphoonbring5Howtopreparecontentwhatistyphoon？(1)TyphoonisanameusedineastAsiaforaHurricane.(2)TyphoonisatypeofcycloneoccurringinthewesternregionsofthePacificOcean.(3)Atyphoonissimilartoahurricaneinlevelsofdestructiv
2、eness.(4)ThewordtyphooncomesfromtheChinesetermtai-fungmeaninggreatwind.Typhoon’sstructureTyphoonSurroundingareamaximumwindspeedTheeyeoftyphoonTheeyeOftyphoonTheeyeoftyphoonliesinthecenteroftyphoon,shapedlikeanovaloracircle.Thediameterrangefrom10kmto70km,45kmonaverage.Thewindspe
3、edandairpressureintheeyeoftyphoonbotharethelowest,andtheweatherappeartobewindless,partlycloudy,warmanddry.TheleveloftyphoonSuperTY：Theaveragewindspeedinthecenterofbottomishigherthan51.0m/s,thelevel16orhigher.STY：Theaveragewindspeedinthecenterofbottomrangesfrom41.5m/sto50.9m/s，t
4、helevel14-15.TY：Theaveragewindspeedinthecenterofbottomrangesfrom32.7m/sto41.4m/s，thelevel12-13.HowtyphoonformInmeteorology,atropicalcycloneisastormsystemfueledbytheheatreleasedwhenmoistairrisesandcondenses.Thenameunderscorestheirorigininthetropicsandtheircyclonicnature,whichist
5、hatitscirculationiscounterclockwiseinthenorthernhemisphereandclockwiseinthesouthernhemisphere.Theyaredistinguishedfromothercyclonicwindstormssuchasnor'easters,Europeanwindstorms,andpolarlowsbytheheatmechanismthatfuelsthem,whichmakesthem"warmcore"stormsystems.Geostrophicdeflecti
6、onforceTyphooncanbring……h(huán)old住?。?！Thetree：Ah！Idon’twanttodie……Freeswimmingpool1、Listenforwarningsfromyourlocalofficialsorweatherpersonnelinsituationswhereevacuationisordered.Notetheevacuationroutesandplantoleaveearly.2、Closethedoorsandwindowsfirmly臺(tái)風(fēng)來(lái)啦！Whatshouldwedowhentyphoonis
7、caming……居委會(huì)大媽淡定哥3、Remembertoshutoffelectricity,waterandgastoyourhomebeforeevacuating.4、Ifyoucan,storetwoweeksworthoffoodandwater.5、Stocknon-perishablegoodsandmedicinesathome.Thiswouldincludecannedgoods,noodlepacketsandenoughricetolastforthreedaystoaweekincaseyougetstrandedathom
8、eduetofloods.Ofcourse,haveenoughdrinkingwater.Medicine
