ABPW10 PGTW 182000
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND
SOUTH PACIFIC OCEANS REISSUED/182000Z-190600ZAUG2021//
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 16W) PREVIOUSLY LOCATED 
NEAR 14.3N 138.1E IS NOW LOCATED NEAR 15.6N 137.1E, APPROXIMATELY 
830 NM SOUTHEAST OF KADENA, AB. THE AREA OF CONVECTION (INVEST 16W) 
PREVIOUSLY LOCATED NEAR 14.3N 138.1E IS NOW LOCATED NEAR 15.6N 
137.1E, APPROXIMATELY 830 NM SOUTHEAST OF KADENA AB. A 181627Z ASMR2 
89GHZ PASS REVEALS FLARING CONVECTION TO THE SOUTH-SOUTHWEST 
PERIPHERY AS WELL AS BANDING INTO A LOW LEVEL CIRCULATION (LLC). 
ENVIRONMENTAL ANALYSIS INDICATES A FAVORABLE ENVIRONMENT 
CHARACTERIZED BY RADIAL OUTFLOW, LOW (10-15KT) VERTICAL WIND SHEAR 
(VWS), AND VERY WARM (30-31C) SEA SURFACE TEMPERATURES (SST). GLOBAL 
NUMERICAL MODELS GENERALLY AGREE THAT INVEST 16W WILL TRACK 
NORTHWESTWARD OVER THE NEXT 48 HOURS. MAXIMUM SUSTAINED SURFACE 
WINDS ARE ESTIMATED AT 15-20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS 
ESTIMATED TO BE NEAR 1005 MB. MAXIMUM SUSTAINED SURFACE WINDS ARE 
ESTIMATED AT 15 TO 20 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 IS UPGRADED TO 
HIGH.
      (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.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 1.B.(1) TO HIGH//
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