ABPW10 PGTW 210000
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS REISSUED/210000Z-210600ZSEP2026//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/201951ZSEP2026//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 20SEP26 1800Z, TROPICAL STORM 24W (DUJUAN) WAS LOCATED 
NEAR 31.3N 137.9E, APPROXIMATELY 256 NM SOUTH-SOUTHWEST OF YOKOSUKA, 
JAPAN, AND HAD TRACKED NORTH- NORTHEASTWARD AT 11 KNOTS OVER THE PAST 
SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 60 KNOTS 
GUSTING TO 75 KNOTS. SEE REF A (WTPN31 PGTW 202100) FOR FURTHER 
DETAILS.
      (2) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION (INVEST 91W) HAS PERSISTED NEAR 11.3N 
144.3E, APPROXIMATELY 128 NM SOUTH OF ANDERSEN AFB, GUAM. ANIMATED 
MULTISPECTRAL SATELLITE IMAGERY (MSI) AND A 201841Z SSMIS F18 91 GHZ 
MICROWAVE IMAGE DEPICT A CONSOLIDATING, FULLY-EXPOSED, LOW-LEVEL 
CIRCULATION CENTER (LLCC) WITH A WIDE SWATH OF FLARING CONVECTION 
ALONG THE SOUTHERN PERIPHERY. ENVIRONMENTAL ANALYSIS REVEALS 
FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW TO MODERATE VERTICAL WIND 
SHEAR (15-20 KTS), GOOD EQUATORWARD OUTFLOW, AND WARM SEA SURFACE 
TEMPERATURES (SST) (29-30 C). GLOBAL DETERMINISTIC AND ENSEMBLE 
MODELS ARE IN GOOD AGREEMENT ON 91W TRACKING WESTWARD OVER THE 
COURSE OF 24-36 HOURS. HOWEVER, GFS IS THE SOLE OUTLIER PORTRAYING 91W 
TO QUICKLY DEVELOP WITHIN 48 HOURS COMPARED TO THE REST OF THE 
DETERMINISTIC MODEL GUIDANCE. MAXIMUM SUSTAINED SURFACE WINDS ARE 
ESTIMATED AT 13 TO 18 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED 
TO BE NEAR 1008 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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