WWJP83 RJTD 132100 VITAL WARNING FOR YOKOHAMA NAVTEX AREA 132100UTC ISSUED AT 140000UTC DEVELOPING LOW 1002HPA AT 33N 136E MOV NE 25 KT FCST POSITION FOR 140900UTC AT 39N 144E WITH UNCERTANITY OF 50 MILES RADIUS FCST POSITION FOR 142100UTC AT 43N 145E WITH UNCERTANITY OF 80 MILES RADIUS LOW 1004HPA AT 37N 134E MOV NE 25 KT W-FRONT FM 33N 136E TO 32N 139E 30N 141E C-FRONT FM 33N 136E TO 28N 135E 25N 132E 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, SOUTHERN SEA OFF TOKAI WITH 45 KT WESTERN SEA OFF TOKAI, NORTHERN SEA OFF SHIKOKU, SOUTHERN SEA OFF SHIKOKU WITH 40 KT WARNING(DENSE FOG) WESTERN SEA OFF SANRIKU POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 140600UTC =