WWJP83 RJTD 141500 VITAL WARNING FOR YOKOHAMA NAVTEX AREA 141500UTC ISSUED AT 141800UTC DEVELOPING LOW 980HPA AT 42N 146E MOV NE 15 KT FCST POSITION FOR 150300UTC AT 44N 148E WITH UNCERTANITY OF 50 MILES RADIUS FCST POSITION FOR 151500UTC AT 46N 151E WITH UNCERTANITY OF 80 MILES RADIUS LOW 988HPA AT 40N 140E MOV ENE 15 KT O-FRONT FM 42N 146E TO 41N 148E 39N 149E W-FRONT FM 39N 149E TO 38N 151E 36N 151E 32N 152E C-FRONT FM 39N 149E TO 36N 149E 34N 147E 30N 146E 25N 143E STORM WARNING EASTERN SEA OFF SANRIKU, NORTHERN SEA OFF KANTO WITH MAX WINDS 55 KT WESTERN SEA OFF SANRIKU, SOUTHERN SEA OFF KANTO WITH 50 KT GALE WARNING EASTERN SEA OFF TOKAI WITH 40 KT WESTERN SEA OFF TOKAI, SOUTHERN SEA OFF TOKAI WITH 35 KT WARNING(NEAR GALE) NORTHERN SEA OFF SHIKOKU, SOUTHERN SEA OFF SHIKOKU WARNING(DENSE FOG) EASTERN SEA OFF SANRIKU POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 150000UTC =