TyphoonformationThetyphoonorigin,untilnowstillwasunableextremelytodetermine,butknownitiscomesbythetropicsatmosphereinperturbationdevelopment.Onthetropicssea,thesealevelbecauseofcausestheverticalincidentsolarraystheseatemperaturetoelevate,theseawateriseasytoevaporatethewatervaportospreadinairborne,thereforeontropicsseaairtemperaturehigh,humiditybig,thiskindofairhighinflatesbecauseofthetemperature,causesthedensitytoreduce,thequalityreduces,butnearbyequatorwindpowerweak,thereforeisveryeasytorise,hastheconvectioncurrent,simultaneouslyperipherythecolderairinflowsupplemented,thenrisesagain,somovesinendlesscycles,theendmustentirecauseforthetemperaturehigher,theweighttobealllighter,adensitysmallerair,thishasformedso-called"thetropicaldepression".Howeverflowingoftheairistheproudbarometricpressureflowstothelowatmosphericpressure,lookslikeisthewaterflowstothelowspotfromthehighplacetobesame,allaroundthebarometricpressurecomparesthehighplacetheairtohavetocomparethelowspottothebarometricpressuretoflow,butforms"thewind".Insummer,becausetheverticalincidentsolarraysregionmovesbytheequatortothenorth,causesofsoutheasttradecrossingthelinethesouthernhemispheretochangethesouthwestmonsoontoinvadeNorthernHemisphere,meetsoneanotherwiththeoriginalNorthernHemisphere'sNortheastTradewind,compelscrowdsthisairrise,theincreaseconvectioncurrent,againbecausethesouthwestmonsoonandtheNortheastTradewinddirectionisdifferent,meetsoneanotheroftencreatestheundulationandthewhirlpool.ThiskindofsouthwestmonsoonandtheNortheastTradewindmeetoneanotherthespokewhichcreatestogatherthefunction,withtheoriginalconvectioncurrentcontinuously,causestoformcontinuesforthelowatmosphericpressurewhirlpooltodeepen,wheniscausesallaroundtheairspeedsuptothewhirlpoolcenterclass,theinflowquickly,itswindspeedisbigger;Whentheneargroundmostgalefastarrivesorsurpasseseachsecond17.2meters,wecalleditisthetyphoon.Sawfromthetyphoonstructure,thesogiantcolossus,itproducesmustmeettheuniquerequirement.First,musthavebroadhightemperature,thehumidityatmosphere.Thetropicsonfirstflooratmospheretemperatureandthehumiditymainlydecidedtothesealevelwatertemperature,thetyphoononlycanformYuHaiwenishigherthan26℃-27℃iswarmon,moreoverin60metersdepthsseawaterwatertemperaturesallmustbehigherthan26℃-27℃;Second,musthavetheloweratmospherehighleveltogather,theinitialperturbationtothecentralspokewhichproliferatestooutside.Moreoverthehighlevelspokedispersesmustsurpasstheunderlyingbedspoketogather,canmaintaintheenoughascendantcurrent,theunderlyingbedperturbationcanunceasinglystrengthen;Third,theverticaldirectionwindspeedcannotdiffertooinabigway,onthelowerlevelairrelativemotionisverysmall,cancausetodivetheheatenergycentralismpreservationwhichintheinitialperturbationthewatervaporcongealsreleasesintheareacenter,formsandstrengthensthetyphoonwarmcenterstructureFourth,musthavetheenoughbigplacetotransferthefunction,theearthrotationfunctionisadvantageoustothecyclonevortexproduction.Transfersapproachesnearbytheequatortozero,increasestothenorthandsoutht