ALERT ATCF MIL 93X XXX 210901180000 2021090118 25.9 160.5 29.8 157.4 120 26.1 160.3 012000 2109011951 1 SUBJ/TROPICAL CYCLONE FORMATION ALERT// WTPN21 PGTW 012000 RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 120 NM EITHER SIDE OF A LINE FROM 25.9N 160.5E TO 29.8N 157.4E 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 28 TO 33 KNOTS. METSAT IMAGERY AT 011800Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 26.1N 160.3E. THE SYSTEM IS MOVING WEST-NORTHWESTWARD AT 14 KNOTS. 2. REMARKS: MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 28 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 998 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 022000Z. // 9321083118 238N1646E 25 9321090100 243N1639E 30 9321090106 251N1633E 30 9321090112 256N1618E 30 9321090118 261N1603E 30 NNNN