ABPW10 PGTW 291800
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS REISSUED/291800Z-300600ZDEC2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/291752ZDEC2025//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   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:
      (1) THE AREA OF CONVECTION (INVEST 99P) PREVIOUSLY LOCATED NEAR 
13.4S 169.7W IS NOW LOCATED NEAR 13.7S 167.5W, APPROXIMATELY 120 NM 
EAST-NORTHEAST OF MANUA ISLANDS. ANIMATED ENHANCED INFRARED SATELLITE 
IMAGERY DEPICTS DEEP CONVECTION BUILDING OVER A SLOWLY CONSOLIDATING LOW 
LEVEL CIRCULATION CENTER (LLCC). ENVIRONMENTAL ANALYSIS FOR THE AREA 
INDICATES A FAVORABLE ENVIRONMENT WITH WARM SEA SURFACE TEMPERATURES 
(29-30 C), MINIMAL VERTICAL WIND SHEAR (LESS THAN 10 KTS), AND ROBUST 
POLEWARD OUTFLOW ALOFT. GLOBAL DETERMINISTIC AND ENSEMBLE MODELS ARE IN 
GOOD AGREEMENT THAT 99P WILL DEVELOP RAPIDLY OVER THE NEXT 24 HOURS.  
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 27 TO 33 KNOTS. MINIMUM 
SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 999 MB. THE POTENTIAL FOR THE 
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS 
IS UPGRADED TO HIGH. SEE REF A (WTPS21 PGTW 291800) FOR FURTHER DETAILS.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA. 2.B.(1) TO HIGH.//
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