WTIO21 PGTW 282000 REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/272000Z NOV 24// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTIO21 PGTW 272000)// RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 100 NM EITHER SIDE OF A LINE FROM 10.1N 84.2E TO 12.4N 80.7E 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 25 TO 30 KNOTS. METSAT IMAGERY AT 282000Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 10.2N 84.0E. THE SYSTEM IS MOVING NORTHWARD AT 06 KNOTS. 2. REMARKS: MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1000 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. THIS SUPERSEDES REF A. 3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY 292000Z. // 9924112112 32N 944E 15 9924112118 38N 943E 15 9924112200 43N 940E 15 9924112206 41N 930E 15 9924112212 42N 926E 15 9924112218 43N 923E 20 9924112300 44N 915E 20 9924112306 48N 902E 15 9924112312 44N 892E 20 9924112318 38N 882E 20 9924112400 37N 871E 25 9924112406 38N 865E 25 9924112412 39N 857E 25 9924112418 41N 847E 25 9924112500 43N 839E 25 9924112506 45N 833E 30 9924112512 50N 834E 30 9924112518 57N 832E 30 9924112600 60N 828E 30 9924112606 70N 830E 30 9924112612 75N 827E 30 9924112618 81N 827E 30 9924112700 83N 823E 30 9924112706 86N 823E 30 9924112712 86N 824E 30 9924112718 88N 830E 30 9924112800 89N 834E 25 // END PART 01 //