A tropical depression developed near Yap on November 11 . The system intensified gradually as it tracked quickly westward toward the Philippines . An anticyclone aloft allowed for strengthening , and the JMA upgraded the depression to Tropical Storm Nepartak on November 12 . Simultaneously , the cyclone entered the area of responsibility of the Philippine Atmospheric , Geophysical and Astronomical Services Administration , which named it Tropical Storm Weng . At around 1600 UTC on November 13 , Nepartak made landfall on northern Samar Island in the Philippines before traversing the remainder of the archipelago from east to west . The cyclone emerged into the South China Sea weakened but quickly re @-@ intensified while continuing to the west @-@ northwest . The JTWC estimated peak winds of 140 km / h ( 85 mph ) on November 16 , and later that day , the JMA upgraded the storm to typhoon status , estimating peak 10 @-@ minute winds of 120 km / h ( 75 mph ) . On November 18 , Nepartak passed near southwestern Hainan and weakened , with the convection diminishing from the circulation . By the next day , the system weakened to tropical depression status , and dissipated shortly after moving ashore over Beihai , China .