 However , upon moving through the Bashi Channel , conditions began to deteriorate due to increased wind shear , weakening the system and resulting in its downgrade to tropical depression status by the JMA at 1200 UTC on June 3 . Nangka continued to become increasingly disorganized as it moved further north , and late that day , the depression transitioned to an extratropical cyclone . The resulting remnants continued to track well east of Japan before dissipating on June 7 . Due to its track away from landmasses , damage remained minimal ; however , as Nangka passed to the south and east of Japan , the storm brought light rainfall to the country , peaking at 81 mm ( 3 @.@ 2 in ) in Minamidaitō , Okinawa . 
