ABPW10 PGTW 040600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS/040600Z-050600ZOCT2022//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY:
      (1) THE AREA OF CONVECTION (REMNANTS 20W) PREVIOUSLY LOCATED NEAR 
37.0N 154.8E IS NOW LOCATED NEAR 36.8N 158.1E, APPROXIMATELY 930 NM SOUTH 
OF PETROPAVLOVSK, RUSSIA. THE SYSTEM IS CURRENTLY CLASSIFIED AS A 
SUBTROPICAL STORM, GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL AND 
MID-LATITUDE CYCLONE FEATURES. ANIMATED MULTISPECTRAL SATELLITE IMAGERY 
AND A 040456Z SSMIS 91GHZ PASS REVEAL BROAD, SHALLOW CONVECTIVE BANDING 
WRAPPING INTO A FULLY EXPOSED LOW LEVEL CIRCULATION (LLC). THE SYSTEM IS 
VERTICALLY STACKED AND CURRENTLY EMBEDDED UNDER A DEEP SUBTROPICAL TROUGH 
WITH WEAK BAROCLINICITY. SEA SURFACE TEMPERATURES AROUND THE SYSTEM ARE 
COOL AT 25-26C. GLOBAL MODELS ARE IN GENERAL AGREEMENT THAT THE SYSTEM 
WILL MAINTAIN ITS ASYMMETRIC WINDFIELD AS IT REMAINS QUASI-STATIONARY 
BEFORE DISSIPATING IN AN APPROACHING FRONTAL BOUNDARY WITHIN THE NEXT 24-
36 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 40 TO 45 
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 999 MB. FOR 
HAZARDS AND WARNINGS, REFERENCE THE FLEET WEATHER CENTER SAN DIEGO HIGH 
WINDS AND SEAS PRODUCT OR REFER TO LOCAL WMO DESIGNATED FORECAST 
AUTHORITY. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL 
CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW.
      (2) NO OTHER SUBTROPICAL SYSTEMS.
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.//
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