WWJP83 RJTD 071200 VITAL WARNING FOR YOKOHAMA NAVTEX AREA 071200UTC ISSUED AT 071500UTC DEVELOPING LOW 1012HPA AT 41N 130E MOV ENE 25 KT W-FRONT FM 41N 130E TO 41N 133E 40N 137E DEVELOPING LOW 1014HPA AT 40N 149E MOV NE 20 KT GALE WARNING EASTERN SEA OFF SANRIKU, WESTERN SEA OFF SANRIKU WITH MAX WINDS 40 KT WARNING(NEAR GALE) NORTHERN SEA OFF KANTO, SOUTHERN SEA OFF KANTO, EASTERN SEA OFF TOKAI, NORTHERN SEA OFF SHIKOKU NXT WARNING WILL BE ISSUED BEFORE 072100UTC =