WWJP84 RJTD 141500 VITAL WARNING FOR OTARU 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 STORM WARNING SEA OFF AKITA WITH MAX WINDS 55 KT SEA OFF SOUTHERN COAST OF MARITIME PROVINCE, SEA OFF SADO, SEA OFF NOTO WITH 50 KT GALE WARNING SOYA KAIKYO, SEA OFF HIYAMA AND TSUGARU WITH 45 KT SEA WEST OF HOKKAIDO, TSUGARU KAIKYO WITH 40 KT SEA WEST OF SAKHALIN WITH 35 KT WARNING(ICING) SEA WEST OF SAKHALIN NXT WARNING WILL BE ISSUED BEFORE 150000UTC =