ABPW10 PGTW 200600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/200600Z-210600ZJUL2023// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 98W) PREVIOUSLY LOCATED NEAR 8.7N 134.4 IS NOW LOCATED NEAR 11.1N 130.9, APPROXIMATELY 433 NM EAST- SOUTHEAST OF LEGAZPI, PHILIPPINES. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A BROAD LOW-LEVEL CIRCULATION (LLC) PARTIALLY OBSCURED BY FLARING CONVECTION OVERHEAD THE PRIMARY AREA OF CONCENTRATED VORTICITY, ALONG WITH MULTIPLE MESOVORTICIES AND BROAD CONVECTION OFFSET TO THE EASTERN SEMI-CIRCLE. A 200126Z ASCAT-B PASS REVEALS AN ILL-DEFINED, BROAD AND ELONGATED AREA OF CIRCULATION WITH 10-15 KNOT WINDS ALONG THE EASTERN PERIPHERY. THE RADIUS OF MAXIMUM WINDS (RMW) IS WELL OVER 140 NM BASED ON THE SCATTEROMETER DATA, PROVIDING EVIDENCE THAT IN SOME WAYS, THE SYSTEM HAS CHARACTERISTICS OF A MONSOON DEPRESSION. ENVIRONMENTAL ANALYSIS INDICATES FAVORABLE CONDITIONS CHARACTERIZED BY MODERATE EQUATORWARD OUTFLOW AND WEAK POLEWARD OUTFLOW BEING ENHANCED BY A DEVELOPING OUTFLOW CHANNEL INTO A STRONG TUTT-CELL TO THE NORTHEAST. VWS REMAINS LOW (10- 15KT) AND SEA SURFACE TEMPERATURES ARE CONDUCIVE AT A WARM 29-30C. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 98W WILL CONTINUE TO GRADUALLY CONSOLIDATE AND DEVELOP AS IT TRACKS GENERALLY POLEWARD OVER THE NEXT 24- 48 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS MEDIUM. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN