WWJP83 RJTD 230600 VITAL WARNING FOR YOKOHAMA NAVTEX AREA 230600UTC ISSUED AT 230900UTC DEVELOPING LOW 996HPA AT 48N 149E MOV ENE SLWY C-FRONT FM 42N 155E TO 40N 154E 37N 153E 35N 150E 30N 148E 27N 144E GALE WARNING EASTERN SEA OFF SANRIKU WITH MAX WINDS 35 KT WARNING(NEAR GALE) WESTERN SEA OFF SANRIKU, NORTHERN SEA OFF KANTO, SOUTHERN SEA OFF KANTO, EASTERN SEA OFF TOKAI, WESTERN SEA OFF TOKAI, SOUTHERN SEA OFF TOKAI, NORTHERN SEA OFF SHIKOKU NXT WARNING WILL BE ISSUED BEFORE 231500UTC =