ABPW10 PGTW 151930
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS REISSUED/151930Z-160600ZOCT2022//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/151353ZOCT2022//
AMPN/REF A IS A TROPICAL CYCLONE WARNING. REF B IS A TROPICAL CYCLONE 
FORMATION ALERT.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 15OCT22 1200Z, TROPICAL STORM 23W (NESAT) WAS LOCATED NEAR 
18.8N 123.0E, APPROXIMATELY 277 NM NORTH-NORTHEAST OF MANILA, 
PHILIPPINES, AND HAD TRACKED WESTWARD AT 11 KNOTS OVER THE PAST SIX 
HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 40 KNOTS 
GUSTING TO 50 KNOTS. SEE REF A (WTPN33 PGTW 151500) FOR FURTHER DETAILS.
      (2) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY: NONE
   C. SUBTROPICAL SYSTEM SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 91W) PREVIOUSLY LOCATED NEAR 
26.3N 152.9E IS NOW LOCATED NEAR 26.7N 153.4E, APPROXIMATELY 879 NM 
EAST-SOUTHEAST OF YOKOSUKA, JAPAN. THE SYSTEM IS CURRENTLY CLASSIFIED AS 
A SUBTROPICAL DEPRESSION, GENERALLY CHARACTERIZED AS HAVING BOTH 
TROPICAL AND MIDLATITUDE CYCLONE FEATURES. ANIMATED MULTISPECTRAL 
SATELLITE IMAGERY AND A 150245Z AMSR2 89 GHZ MICROWAVE DATA DEPICT A 
FULLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) WITH EXPANSIVE 
CONVECTIVE BANDING DISPLACED ON THE WESTERN PERIPHERY. UPPER-LEVER 
ANALYSIS REVEALS A FAVORABLE ENVIRONMENT, WITH WARM (27-28C) SEA SURFACE 
TEMPERATURES, AND DECENT EQUATORWARD OUTFLOW; MAKING 91W A GREAT 
CANDIDATE FOR TRANSITIONING INTO A TROPICAL CYCLONE. GLOBAL MODELS ARE 
IN AGREEMENT THAT THE SYSTEM WILL LOSE JET SUPPORT, TAKE ON MORE 
TROPICAL CHARACTERISTICS AND INTENSIFY WHILE TRACKING EAST-NORTHEAST. 
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 30 TO 35 KNOTS. MINIMUM 
SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1001 MB. THE POTENTIAL FOR 
THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 
HOURS IS HIGH. SEE REF B (WTPN21 PGTW 151930) FOR FURTHER DETAILS.
      (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.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA. 1.C.(1) TO HIGH.//
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