This paper analyzes the interactions between typhoons (TYs) Parma and Melor (2009) in the North West Pacific (NWP) Ocean. The TY Parma (2009) is chosen for investigation because it has a unique track with multiple U-turns and 3 landfalls over the Luzan Island of Philippines that are extremely difficult. if not impossible. to forecast by numerical weather prediction models due to which... https://www.roneverhart.com/Leipa-hedelmakori-musta-metalli-o-27-5-cm/