ABPW10 PGTW 180130
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS REISSUED/180130Z-180600ZMAR2023//
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 91P) PREVIOUSLY LOCATED NEAR 
19.0S 175.3W IS NOW LOCATED NEAR 20.2S 177.2W, APPROXIMATELY 125 NM 
WEST-NORTHWEST OF TONGA ISLAND. ANIMATED ENHANCED INFRARED SATELLITE 
IMAGERY AND A 172142 GMI 89GHZ PASS DEPICT PERSISTENT CONVECTION ON THE 
EASTERN PERIPHERY OF A FULLY EXPOSED LOW-LEVEL CIRCULATION CENTER 
(LLCC). A 172138Z ASCAT-B PASS REVEALS WINDS UP TO 30 KNOTS ALONG THE 
SOUTHERN PERIPHERY OF THE LLCC. ENVIRONMENTAL ANALYSIS REVEALS 
MARGINALLY FAVORABLE CONDITIONS FOR DEVELOPMENT WITH GOOD EQUATORWARD 
OUTFLOW ALOFT AND WARM (28-29C) SEA SURFACE TEMPERATURES, OFFSET BY 
MODERATE TO HIGH (20-25KT) VERTICAL WIND SHEAR. GLOBAL MODELS ARE IN 
GENERAL AGREEMENT THAT INVEST 91P WILL GRADUALLY DEVELOP AS IT TRACKS 
WEST-SOUTHWESTWARD OVER THE NEXT 24-48 HOURS. MAXIMUM SUSTAINED SURFACE 
WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE IS 
ESTIMATED TO BE NEAR 1009 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A 
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO 
LOW.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 2.B.(1) TO LOW.//
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