WWJP83 RJTD 150600 VITAL WARNING FOR YOKOHAMA NAVTEX AREA 150600UTC ISSUED AT 150900UTC DEVELOPING LOW 998HPA AT 40N 144E MOV ENE 15 KT W-FRONT FM 40N 144E TO 38N 146E 35N 147E C-FRONT FM 40N 144E TO 37N 140E 35N 135E GALE WARNING EASTERN SEA OFF SANRIKU, NORTHERN SEA OFF KANTO WITH MAX WINDS 35 KT WARNING(NEAR GALE) WESTERN SEA OFF SANRIKU, SOUTHERN SEA OFF KANTO WARNING(DENSE FOG) EASTERN SEA OFF SANRIKU, WESTERN SEA OFF SANRIKU, NORTHERN SEA OFF KANTO, SOUTHERN SEA OFF KANTO, EASTERN SEA OFF TOKAI, WESTERN SEA OFF TOKAI, SOUTHERN SEA OFF TOKAI, NORTHERN SEA OFF SHIKOKU POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 151500UTC =