ABPW10 PGTW 030600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS 030600Z-040600ZSEP2021//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/030151ZSEP2021//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 03SEP21 0000Z, TROPICAL DEPRESSION 17W (SEVENTEEN) WAS 
LOCATED NEAR 29.7N 157.7E, APPROXIMATELY 1031 NM EAST-SOUTHEAST OF 
MISAWA, JAPAN, AND HAD TRACKED NORTH-NORTHWESTWARD AT 08 KNOTS OVER 
THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED 
AT 30 KNOTS GUSTING TO 40 KNOTS. SEE REF A (WTPN31 PGTW 030300) FOR 
FURTHER DETAILS.
      (2) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 94W) PREVIOUSLY LOCATED 
NEAR 9.7N 144.8E IS NOW LOCATED NEAR 10.0N 144.7E, APPROXIMATELY 203 
NM SOUTH OF ANDERSEN, AFB. ANIMATED ENHANCED INFRARED SATELLITE 
IMAGERY (EIR) AND A 030412Z AMSR2 89GHZ MICROWAVE IMAGE DEPICT 
CONVECTION CYCLING OVER THE SOUTHWEST QUADRANT OF A BROAD, WEAKLY-
DEFINED LOW-LEVEL CIRCULATION. ENVIRONMENTAL ANALYSIS INDICATES 
FAVORABLE CONDITIONS FOR DEVELOPMENT, WITH ROBUST, DUAL-CHANNEL 
OUTFLOW, LOW (5-10KTS) VERTICAL WIND SHEAR (VWS), AND WARM (30C) SEA 
SURFACE TEMPERATURES (SST). GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 
94W WILL TRACK TO THE NORTHWEST AS IT INTENSIFIES.  MAXIMUM 
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 13 TO 18 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 REMAINS 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.//
NNNN