CaseStudy–2015TianjinExplosionOverviewofthe2015TianjinExplosions•Aseriesofexplosionsthatoccurredatahazardouschemicalstoragefacilityforcalciumcarbide,sodiumnitrate,andpotassiumnitrate.•Firstfirewasreportedataround22:50localJme(14:50UTC)on08/12.•1stexplosion:15:30UTC,3tonsofTNT.•2ndexplosionoccurred30slater:21tonsofTNT•8addiJonalexplosionsoccurredon08/15.•FurtherrandomexplosionsoccurredthroughoutAugust.hSps://www.youtube.com/watch?v=9aw2aZm6l3Q159peoplewerekilledand15peoplearesJllmissing,ofwhich115arefirefightersandpolicemen.Hundredswereinjured.Overviewofthe2015TianjinExplosions(ConJnued)Aug.12,2015Aug.11,2015Aug.12,2015Aug.13,2015Aug.14,2015MeteorologyCondiJonCalipsoCalipsoTotalBackscaSer:CALIPSO532nmTotal(Parallel+Perpendicular)aSenuatedbackscaSer(/km/sr)CALIPSOAerosolAug.12CALIPSOAerosolAug.13GiovanniAODfromMODISTerrafrom10thto15thAugust2015