FQJP63 RJTD 252100 SYNOPSIS AND FCST FOR YOKOHAMA NAVTEX AREA SYNOPSIS 252100UTC DEVELOPING LOW 984HPA AT 47N 149E MOV NORTH 20 KT FCST POSITION FOR 260900UTC AT 52N 149E WITH UNCERTANITY OF 50 MILES RADIUS FCST POSITION FOR 262100UTC AT 57N 145E WITH UNCERTANITY OF 80 MILES RADIUS C-FRONT FM 43N 149E TO 40N 148E 38N 146E 34N 145E 30N 143E 26N 139E REMARKS STORM WARNING CONTINUED WARNING(DENSE FOG) CONTINUED =