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ID:60126795
大小:2.02 MB
页数:14页
时间:2020-12-02
《飓----风培训讲学.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、飓----风起源TheoriginsofHurricaneBetsycanbetracedbacktoanareaofdisturbedweathersouthwestofCapeVerdethatfirstidentifiedviaTIROSsatelliteimagery,whichconcludedthatthedisturbancehadbecomeatropicalcycloneofmoderateintensityonAugust23.HurricaneBetsynorthoftheB
2、ahamasfromTIROSVIIonSeptember4,1965TrackmapofHurricaneBetsy经过BetsyantecedenttobeingupgradedtohurricaneintensityonAugust29.Anupper-leveltroughcenteredashortdistancenorthofthetropicalstormenhancedoutflowconditionsandspeeddivergence.Surfaceweatheranalysi
3、smapofBetsyonSeptember8However,onSeptember5,ablockingridgeofhighpressuresituatedovertheEasternUnitedStatesforcedBetsytomakeatight,clockwiseloopandtrackinanunusualsouthwesterlypath,redirectingittowardsFloridaandTheBahamas.Withoutmuchchangeinstrength,th
4、eintensehurricanequicklytraversedtheUpperKeysandFloridaBaybeforeemergingmiddayonSeptember8intotheGulfofMexico.SituatedinthewarmwatersoftheGulfofMexicoonSeptember8Betsybegantostrengthenandacceleratetowardsthewestandthennorthwest,Atroughlythesametime,Be
5、tsylashedLouisiana.影响TrackmapofHurricaneBetsyRainfalltotalsintheUnitedStates影响TheeffectsofHurricaneBetsywereoffar-reachingandunprecedentedseverity.Thefinal,Betsykilledmorethan$1billionindamage,makingitwasnicknamed"BillionDollarBetsy.AndalsoBetsylashed
6、Florida,MississippiandLouisiana,causingthedeathsof74people.StreetfloodinginKeyWest谢谢观看!此课件下载可自行编辑修改,仅供参考!感谢您的支持,我们努力做得更好!谢谢
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