ABPW10 PGTW 290130
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH 
PACIFIC OCEANS REISSUED/290130Z-290600ZJUL2021//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/281351ZJUL2021//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 28JUL21 1200Z, TROPICAL DEPRESSION 11W (NEPARTAK) WAS 
LOCATED NEAR 40.9N 138.5E, APPROXIMATELY 127 NM WEST-NORTHWEST OF 
MISAWA, JAPAN, AND HAD TRACKED WEST- NORTHWESTWARD AT 15 KNOTS OVER 
THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED 
AT 25 KNOTS GUSTING TO 35 KNOTS. SEE REF A (WTPN33 PGTW 281500) FOR 
THE FINAL WARNING ON THIS SYSTEM.
      (2) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY: 
      (1) THE AREA OF CONVECTION (INVEST 95W) PREVIOUSLY LOCATED 
NEAR 26.5N 129.5E, APPROXIMATELY 90NM EAST OF KADENA, OKINAWA. 
ANIMATED ENHANCED INFRARED AND VISIBLE SATELLITE IMAGERY DEPICT A 
FULLY EXPOSED LOW LEVEL CIRCULATION IMBEDDED IN A BROADER CYCLONIC 
FLOW. UPPER LEVEL ANALYSIS INDICATES A FAVORABLE ENVIRONMENT FOR 
CYCLONE DEVELOPMENT WITH WEAK VERTICAL WIND SHEAR (05-10 KTS), DUAL 
CHANNEL OUTFLOW AND WARM SEA SURFACE TEMPERATURES (29-30 C). GLOBAL 
MODELS ARE IN GOOD AGREEMENT ON FURTHER DEVELOPMENT WITH THIS SYSTEM 
TRACKING EAST NORTHEASTWARD. MAXIMUM SUSTAINED SURFACE WINDS ARE 
ESTIMATED AT 10-15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO 
BE NEAR 996 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT 
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO LOW. 
   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: UPGRADED AREA IN PARA. 2.B.(1) TO 
LOW.//
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