ABPW10 PGTW 050600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/050600Z-060600ZJUL2021// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/050151ZJUL2021// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 05JUL21 0000Z, TROPICAL DEPRESSION 07W (SEVEN) WAS LOCATED NEAR 18.2N 125.3E, APPROXIMATELY 328 NM NORTHEAST OF MANILA, PHILIPPINES, AND HAD TRACKED NORTHWESTWARD AT 22 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 30 KNOTS GUSTING TO 40 KNOTS. SEE REF A (WTPN31 PGTW 050300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 13.7N 118.8E IS NOW LOCATED NEAR 15.2N 115.3E, APPROXIMATELY 330 NM WEST OF MANILA, PHILIPPINES. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) AND A 050141Z METOP-B IMAGE DEPICT FLARING CONVECTION IN THE SOUTHWESTERN PERIPHERY OF AN ELONGATED LOW LEVEL CIRCULATION (LLC). ENVIRONMENTAL ANALYSIS SHOWS FAVORABLE CONDITIONS FOR DEVELOPMENT, WITH GOOD EQUATORWARD OUTFLOW, LOW (10-15KTS) VERTICAL WIND SHEAR (VWS), AND VERY WARM (30-31C) SEA SURFACE TEMPERATURES (SST). NUMERICAL MODELS ARE IN GENERAL AGREEMENT THAT 97W WILL TRACK NORTHWESTWARD SHOWING DEVELOPMENT IN THE NEXT 24-48 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 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