source: Dry air wrapping around the southern periphery of the cyclone eroded most of the deep convection by early on September 12.
target: Dry air wrapping around the southern part of the cyclone took away parts on September 12.
references: Dry air wrapping around the southern part of the cyclone took away parts on September 12. Dry air wrapped around the southern border of the cyclone.  By the early hours of September 12, this had eroded most of the deep convection. By September 12, dry air wrapping around the bottom edge of the cyclone had destroyed most of the deep convection. The air was dry and went around the south end of the storm damaging most of the deep convection by early on September 12. Dry air wrapping around the southern section of the cyclone eroded most of the deep convection by early on September 12. Dry air moving around the southern edge of the cyclone stopped most of the deep convection by September 12. Dry air wrapping around the cyclone eroded most of the deep convection by September 12. Dry air weakened the cyclone by September 12. By September 12, most of the deep convection disappeared due to the dry air that the cyclone encountered. Dry air removed most of the deep convection.