ABPW10 PGTW 200600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS/200600Z-210600ZJAN2023//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/200151ZJAN2023//
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 92P) PREVIOUSLY LOCATED NEAR 
17.7S 155.7E IS NOW LOCATED NEAR 18.7S 157.7E, APPROXIMATELY 534 NM 
WEST-NORTHWEST OF NOUMEA, NEW CALEDONIA. ANIMATED ENHANCED INFRARED 
SATELLITE IMAGERY DEPICTS AN ELONGATED, POORLY ORGANIZED LOW-LEVEL 
CIRCULATION (LLC) WITH WEAK LINEAR BANDING. A 192259Z MHS 89GHZ IMAGE 
FURTHER REVEALS WEAK LINEAR BANDING WITH BROAD CONVECTION SHEARED TO 
THE EAST OF THE LLC. ENVIRONMENTAL CONDITIONS REMAIN MARGINAL WITH 
DIFFLUENT SUBTROPICAL WESTERLIES OVER THE SYSTEM, MODERATE TO HIGH 
VERTICAL WIND SHEAR AND WARM SST (28-29C). DESPITE THE MARGINAL 
ENVIRONMENT, GLOBAL MODELS CONTINUE TO STRENGTHEN THE WINDS TO GALE-
FORCE STRENGTH WITHIN THE NEXT DAY AS THE SYSTEM TRACKS EAST-
SOUTHEASTWARD TOWARD NEW CALEDONIA. MAXIMUM SUSTAINED SURFACE WINDS 
ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE IS 
ESTIMATED TO BE NEAR 997 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A 
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS HIGH. 
SEE REF A (WTPS21 PGTW 200200) FOR FURTHER DETAILS.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 09P) PREVIOUSLY LOCATED NEAR 
24.6S 176.1E HAS BECOME EXTRATROPICAL AND IS NO LONGER SUSPECT FOR THE 
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE IN THE NEXT 24 HOURS.
      (2) NO OTHER SUBTROPICAL SYSTEMS.//
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