TerribletornadoTornadoes,wemayhaveallheard,buteveryonetothetornadofamiliar?Letmeintroduce!Tornadoesarevortex:airaroundtheshaftspinningcoildragon,thedragonrollcentrepneumaticextremedecreaseattraction,nearthegrounddozenmetersthickathinlayerofairinside,airisfromalldirectionsinhaledvortexbottoms.Andimmediatelyheturnedaroundtheaxisofeddycurrent,thedragonrollupthewindalwayscyclonessex,thecenteroftheairpressurecanthansurroundinglowairpressureto10percent.Tornadoespowerisstrong,harmfulnessisverybigalso.In1995inAmericanOklahomaadeimantusMoorecityinalandtornadoes,heavyobjectssuchasroofblownoutoftenmilesaway.Mostdebrisfallsonlandtornadochanneloftheleftside,byweightrangedoftenhaveawell-definedlandingzone.Thelighterfragmentscouldflytomorethan300kilometersoutsidebeforelanding.Dragonvolumesofattacksuddenlyandviolently,producethewindisthestrongestintheground.IntheUnitedStates,atornadoannuallycausedeathsafterthethunder.Itforbuildingdestructionisquiteserious,oftenbedevastating.Inintensetornadoes,houseroofasglidinglikeflying.Oncetheroofcoiledleft,otherpartsofthehousewillfollowdestruction.Therefore,buildinghouses,ifcanstrengthentheroofofthefirmsex,willhelptopreventtornadoescausedheavylossduringtransit.Whenweencounteratornadocoming,weshouldtakethefollowingmethodsfromatornadoattack:first,whenatornadocoming,ifweathome,youshouldimmediatelyrandownstairsstairavoidtornados.Second,theUnitedStatesisatornadoinmostplaces,mostforeign-8pm,thetimeinhadbetternottotraveltotheUSA.Three,tornadocomingindrivingbicycleshouldimmediatelydiscardallitems,suchaslowintothesubwayofplace.Fourth,inthewildernessmeettornadoshouldfindsolidrock,andcouldn'tfindwords,shouldavoidatornadoinbridge.Onthehillsideshouldfindaquickrelativelybigrocksfromatornado.Tornadoeswhichside,youshouldavoidinrockintheoppositedirection,Whenatornadoafterarock,shouldimmediatelyswapplaces,intheoppositedirectiontoavoidit.Well,nowyoushouldhavefurtherunderstandingoftornado!Whenyou'rereallyinatornado,theyshouldtaketheabovemethodtoescape! 　　tornadoesAtornadowasamysteryforalongtime,itispreciselybecauseofthisreason,soitisnecessarytounderstandit.Tornadoessuddenlyandviolently,producethewindisthegroundthestrongest.Becauseofitsoccurrenceanddispersedallextremelysudden,soitisdifficulttoiteffectivelyobservation.WhatisatornadoTornadoesarevortex:airaroundtheshaftspinningcoildragon,thedragonrollcentrepneumaticextremedecreaseattraction,nearthegrounddozenmetersthickathinlayerofairinside,airisfromalldirectionsinhaledvortexbottoms.Andimmediatelyheturnedaroundtheaxisofeddycurrent,thedragonrollupthewindalwayscyclonessex,thecenteroftheairpressurecanthansurroundinglowairpressureto10percent.TheformationofatornadoTornadoesaretheproductofthunderstormsintheclouds.Specifically,atornadoisasmallpartofthunderstormenormousenergyinsmallareaconcentrationreleaseofaform.Tornadoesformationcanbedividedintofourstages:(1)atmosphericinstabilityproducesstrongupdraft,duetothebiggestairflowpassingthroughtherapidsinfluence,itisfurtherenhanced.(2)dueinverticaldi