WTXS23 PGTW 290300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 96S) REISSUED// REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/281451ZDEC19// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT REISSUE// RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 160 NM EITHER SIDE OF A LINE FROM 16.6S 60.7E TO 23.5S 60.5E 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 290000Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 17.2S 60.7E. THE SYSTEM IS MOVING SOUTHWARD AT 13 KNOTS. 2. REMARKS: THE AREA OF CONVECTION (INVEST 96S) PREVIOUSLY LOCATED NEAR 15.3S 60.5E IS NOW LOCATED NEAR 17.2S 60.7E, APPROXIMATELY 268 NM NORTHEAST OF MAURITIUS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY AND A 290040Z SSMIS 91GHZ MICROWAVE IMAGE DEPICT A CONSOLIDATING LOW LEVEL CIRCULATION WITH DEEP, FLARING CONVECTION WRAPPING INTO THE CIRCULATION. 96S IS CURRENTLY IN A FAVORABLE ENVIRONMENT WITH EXCELLENT POLEWARD OUTFLOW, LOW (<15 KNOT) VERTICAL WIND SHEAR, AND WARM (29 TO 30 CELSIUS) SEA SURFACE TEMPERATURES. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 96S WILL TRACK SOUTHWARD WHILE CONTINUING TO INTENSIFY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 28 TO 33 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 REMAINS HIGH. THIS SUPERSEDES REF A (WTXS21 PGTW 281500). 3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY 300300Z.// NNNN