WTXS22 PGTW 100900 REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/100851Z MAR 24// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTXS21 PGTW 100900)// RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 130 NM EITHER SIDE OF A LINE FROM 12.3S 97.0E TO 13.1S 104.8E 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 100600Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 12.3S 97.3E. THE SYSTEM IS MOVING EASTWARD AT 06 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 110900Z. 4. SEE REF A FOR DETAILS ON A TROPICAL CYCLONE FORMATION ALERT LOCATED NEAR 20.4S 39.2E // 9124030812 109S 943E 25 9124030818 110S 946E 25 9124030900 113S 949E 25 9124030906 117S 951E 30 9124030912 124S 956E 30 9124030918 125S 962E 25 9124031000 124S 967E 30 9124031006 123S 973E 30 NNNN