Toaddtothegrowingmatureresearchonthetropical30-50dayoscillationsfromanewprospective,thecurrentworkbasesondynamicanalysisofbaroclinicquasi-geostrophicmodelstodiscussdynamicmechanismsforthegenerationandpropagationofCISK-Rossbywaves,andtounderstandrestraintsandeffectsofdifferentwavestructuresandthermodynamicforcingonthe30-50dayoscillationsinthetropicalatmosphere.Someimportantpropertiesoftheoscillationpropagationhavebeenexplainedand,indetail,withrespecttoitsmeridionalpropagationandvertical'baroclinic'structure.Theworkhascomeupwithsomenewopinionsandviewpoints.Newopinionsaboutthepropagationandenergydispersionaretobeprovedbymoreobservationsandstudy.
