WTXS21 PGTW 160830 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE FORMATION ALERT CANCELLATION (INVEST 93S)// REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/150821Z NOV 20// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTXS21 PGTW 150830)// RMKS/ 1. REMARKS: THIS CANCELS REF A (WTXS21 PGTW 150830). THE AREA OF CONVECTION (INVEST 93S), PREVIOUSLY LOCATED NEAR 9.1S 67.8E IS NOW LOCATED NEAR 9.5S 71.3E, APPROXIMATELY 146 NM SOUTH-SOUTHWEST OF DIEGO GARCIA. ANIMATED MULTISPECTRAL IMAGERY DEPICTS CONVECTION SHEARED SOUTH-SOUTHWEST OF A FULLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC). A 160335Z GMI 89GHZ SATELLITE IMAGE DEPICTS DISORGANIZED CONVECTION IN THE SOUTHEASTERN PERIPHERY. INVEST 93S IS IN A MARGINAL ENVIRONMENT WITH WARM (29-30C) SEA SURFACE TEMPERATURES, AND POLEWARD OUTFLOW ALOFT OFFSET BY HIGH (30+ KTS) VERTICAL WIND SHEAR (VWS). GLOBAL MODELS GENERALLY AGREE THAT 93S WILL WEAKEN AND BECOME MORE DISORGANIZED AS IT TRACKS EASTWARD BEFORE TURNING SOUTH-SOUTHWESTWARD. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1003 MB. IN VIEW OF THE UNFAVORABLE FORECAST FOR THIS SYSTEM, IT IS NO LONGER CONSIDERED SUSPECT FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS.// NNNN