ABPW10 PGTW 060600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND /SOUTH PACIFIC OCEANS/060600Z-070600ZJUL2021// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/060151ZJUL2021// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/060021ZJUL2021// NARR/REF A IS A TROPICAL CYCLONE FINAL WARNING. REF B IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 06JUL21 0000Z, TROPICAL DEPRESSION 07W (SEVEN) WAS LOCATED NEAR 22.3N 119.3E, APPROXIMATELY 207 NM SOUTHWEST OF TAIPEI, TAIWAN, AND HAD TRACKED NORTHWESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 20 KNOTS GUSTING TO 30 KNOTS. SEE REF A (WTPN31 PGTW 060300) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 15.6N 112.5E IS NOW LOCATED NEAR 15.8N 111.8E, APPROXIMATELY 206 NM EAST OF DANANG, VIETNAM. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A PARTIALLY EXPOSED LOWER LEVEL CIRCULATION CENTER (LLCC) WITH FLARING CONVECTION SHEARED ALONG THE WESTERN SEMICIRCLE. UPPER-LEVEL ANALYSIS REVEALS A MARGINALLY FAVORABLE ENVIRONMENT FOR DEVELOPMENT CHARACTERIZED BY EQUATORWARD OUTFLOW, AND WARM SEA SURFACE TEMPERATURES (30-31C) OFFSET BY MODERATE TO HIGH (20-30 KT) VERTICAL WIND SHEAR (VWS). GLOBAL DYNAMIC MODELS ARE IN GOOD AGREEMENT THAT 97W WILL EXPERIENCE MARGINAL CONSOLIDATION AND STRENGTHENING AS IT PROPAGATES NORTHWESTWARD TOWARDS HAINAN. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 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. SEE REF B (WTPN21 PGTW 060030) FOR FURTHER DETAILS. (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