WWJP83 RJTD 150600 VITAL WARNING FOR YOKOHAMA NAVTEX AREA 150600UTC ISSUED AT 150900UTC DEVELOPING LOW 990HPA AT 39N 138E MOV NE 25 KT GALE WARNING EASTERN SEA OFF SANRIKU, WESTERN SEA OFF SANRIKU, NORTHERN SEA OFF KANTO, SOUTHERN SEA OFF KANTO, EASTERN SEA OFF TOKAI, SOUTHERN SEA OFF TOKAI, SOUTHERN SEA OFF SHIKOKU WITH MAX WINDS 40 KT WESTERN SEA OFF TOKAI, NORTHERN SEA OFF SHIKOKU WITH 35 KT WARNING(DENSE FOG) EASTERN SEA OFF SANRIKU, WESTERN SEA OFF SANRIKU POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 151500UTC =