WWJP27 RJTD 180600 CCA WARNING AND SUMMARY 180600. WARNING VALID 190600. WARNING IS UPDATED EVERY 6 HOURS. GALE WARNING. DEVELOPING LOW 1000 HPA AT 38N 160E FAR OFF EAST OF JAPAN MOVING WEST 10 KNOTS. WINDS 30 TO 40 KNOTS WITHIN 600 MILES OF LOW EAST SEMICIRCLE AND 200 MILES ELSEWHERE. EXPECTED WINDS 30 TO 40 KNOTS WITHIN 600 MILES OF LOW EAST SEMICIRCLE AND 200 MILES ELSEWHERE FOR NEXT 12 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 141E 42N 141E 47N 152E 55N 162E 60N 163E 60N 180E 39N 180E 31N 170E 30N 155E 35N 148E 35N 141E. SUMMARY. LOW 998 HPA AT 37N 127E ENE 10 KT. LOW PRESSURE AREA 1004 HPA NEAR 24N 142E WSW SLOWLY. LOW PRESSURE AREA 1008 HPA NEAR 08N 154E WNW SLOWLY. HIGH 1028 HPA AT 45N 175E ALMOST STATIONARY. STATIONARY FRONT FROM 30N 106E TO 30N 109E 30N 113E 31N 116E 32N 119E 34N 123E 37N 127E 37N 130E 39N 133E 40N 140E 39N 143E. JAPAN METEOROLOGICAL AGENCY.=