WTIO21 PGTW 090900 REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/090851Z SEP 24// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTIO21 PGTW 090900)// RMKS/ 1. REMARKS: MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 0 TO 0 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1021 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. THIS CANCELS REF A. // 9224090706 171N 851E 15 9224090712 172N 858E 15 9224090718 174N 864E 25 9224090800 177N 867E 25 9224090806 179N 867E 25 9224090812 182N 862E 30 9224090818 192N 865E 30 9224090900 193N 866E 30 9224090906 202N 857E 30 ????