WWJP81 RJTD 210000 VITAL WARNING FOR NAHA NAVTEX AREA 210000UTC ISSUED AT 210300UTC DEVELOPING LOW 1002HPA AT 33N 145E MOV ENE 25 KT FCST POSITION FOR 211200UTC AT 35N 151E WITH UNCERTANITY OF 50 MILES RADIUS FCST POSITION FOR 220000UTC AT 37N 156E WITH UNCERTANITY OF 80 MILES RADIUS DEVELOPING LOW 1016HPA AT 40N 131E MOV EAST 15 KT GALE WARNING SOUTHERN PART OF EAST CHINA SEA, SEA SOUTH OF OKINAWA WITH MAX WINDS 35 KT NXT WARNING WILL BE ISSUED BEFORE 210900UTC =