ALERT ATCF MIL 98X XXX 210724180000 2021072418 13.1 230.2 13.8 223.9 135 13.2 229.7 250100 2107250100 1 SUBJ/TROPICAL CYCLONE FORMATION ALERT// WTPN21 PHNC 250100 RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 135 NM EITHER SIDE OF A LINE FROM 13.1N 129.8W TO 13.8N 136.1W WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME. WINDS IN THE AREA ARE ESTIMATED TO BE 20 TO 25 KNOTS. METSAT IMAGERY AT 241800Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 13.2N 130.3W. THE SYSTEM IS MOVING WEST-NORTHWESTWARD AT 15 KNOTS. 2. REMARKS: MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. 3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY 260100Z. // 9821072200 96N1187W 20 9821072206 99N1193W 20 9821072212 104N1200W 20 9821072218 109N1207W 20 9821072300 113N1220W 20 9821072306 117N1231W 20 9821072312 119N1240W 25 9821072318 120N1251W 25 9821072400 123N1263W 25 9821072406 127N1273W 25 9821072412 129N1288W 25 9821072418 132N1303W 25 NNNN