ABPW10 PGTW 090130
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS REISSUED/090130Z-090600ZJUN2023//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/081951ZJUN2023//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 08JUN23 1800Z, TYPHOON 03W (GUCHOL) WAS LOCATED NEAR 16.9N 
130.4E, APPROXIMATELY 560 NM EAST- NORTHEAST OF MANILA, PHILIPPINES, AND 
HAD TRACKED NORTHWESTWARD AT 06 KNOTS OVER THE PAST SIX HOURS. MAXIMUM 
SUSTAINED SURFACE WINDS WERE ESTIMATED AT 80 KNOTS GUSTING TO 100 KNOTS. 
SEE REF A (WTPN31 PGTW 082100) FOR FURTHER DETAILS.
      (2) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION (INVEST 99W) HAS PERSISTED NEAR 21.9N 
108.5E, APPROXIMATELY 156 NM EAST-NORTHEAST OF HANOI. ANIMATED 
MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS AN ASSESED LOW LEVEL 
CIRCULATION (LLC) OBSCURED BY BROAD CONVECTION AND A 081436Z ASCAT METOP-
C IMAGE SHOWCASES 15-20KT WINDS. THE ENVIRONMENT IS MARGINALLY FAVORABLE 
FOR DEVELOPMENT WITH WEAK POLEWARD OUTFLOW, MODERATE (15-20KT) VERTICAL 
WIND SHEAR, AND VERY WARM (29-30C) SEA SURFACE TEMPERATURES. GLOBAL 
MODELS ARE IN AGREEMENT THAT INVEST 99W WILL TRACK SOUTHWARD OR 
SOUTHEASTWARD OVER THE GULF OF TONKIN AND SLOWLY INTENSIFY OVER THE NEXT 
48-72HRS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1002 MB. THE 
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN 
THE NEXT 24 HOURS IS LOW.
      (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: ADDED LOW AREA IN PARA. 1.B.(1).//
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