WWJP27 RJTD 171200 WARNING AND SUMMARY 171200. WARNING VALID 181200. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. EASTERLY TO NORTHEASTERLY WINDS 30 TO 35 KNOTS EXPECTED WINDS 30 TO 35 KNOTS FOR NEXT 6 HOURS PREVAILING OVER WATERS BOUNDED BY 27N 138E 23N 138E 21N 129E 27N 130E 27N 138E. GALE WARNING. DEVELOPING LOW 1008 HPA AT 38N 159E FAR OFF EAST OF JAPAN MOVING ENE 25 KNOTS. WARM FRONT FROM 38N 159E TO 37N 163E 35N 166E. COLD FRONT FROM 38N 159E TO 36N 158E 35N 156E 31N 152E 28N 148E. STATIONARY FRONT FROM 28N 148E TO 25N 143E 24N 138E 23N 132E 22N 130E. EXPECTED WINDS 30 TO 35 KNOTS WITHIN 600 MILES OF LOW WEST SEMICIRCLE AND 200 MILES ELSEWHERE WITHIN NEXT 6 HOURS. WARNING. DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK SEA OF JAPAN BOHAI YELLOW SEA EAST CHINA SEA. WARNING. DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 35N 140E 42N 141E 47N 152E 55N 162E 60N 163E 60N 180E 54N 180E 50N 165E 40N 180E 29N 170E 27N 148E 35N 140E. SUMMARY. LOW 1008 HPA AT 52N 141E ESE 20 KT. HIGH 1018 HPA AT 33N 128E ALMOST STATIONARY. HIGH 1020 HPA AT 37N 139E ESE 10 KT. HIGH 1020 HPA AT 44N 152E ESE 15 KT. JAPAN METEOROLOGICAL AGENCY.=