ABPW10 PGTW 260600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND
/SOUTH PACIFIC OCEANS/260600Z-270600ZOCT2020//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/251951ZOCT2020//
REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/260152ZOCT2020//
NARR/REFS A AND B ARE TROPICAL CYCLONE WARNINGS.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 25OCT20 1800Z, TROPICAL DEPRESSION 19W (SAUDEL) WAS 
LOCATED NEAR 17.7N 107.3E, APPROXIMATELY 117 NM NORTH-NORTHWEST OF 
DA NANG, VIETNAM, AND HAD TRACKED NORTHWESTWARD AT 03 KNOTS OVER THE 
PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 25 
KNOTS GUSTING TO 35 KNOTS. SEE REF A (WTPN31 PGTW 252100) FOR THE 
FINAL WARNING ON THIS SYSTEM.
      (2) AT 26OCT20 0000Z, TYPHOON 21W (MOLAVE) WAS LOCATED NEAR 
13.3N 120.1E, APPROXIMATELY 94 NM SOUTHWEST OF MANILA, PHILIPPINES, 
AND HAD TRACKED WESTWARD AT 17 KNOTS OVER THE PAST SIX HOURS. 
MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 75 KNOTS GUSTING 
TO 90 KNOTS. SEE REF B (WTPN32 PGTW 260300) FOR FURTHER DETAILS.
      (3) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 99W) PREVIOUSLY LOCATED 
NEAR 11.7N 142.9E IS NOW LOCATED NEAR 12.1N 142.4E, APPROXIMATELY 
121 NM WEST-SOUTHWEST OF GUAM. ANIMATED MULTISPECTRAL SATELLITE 
IMAGERY DEPICT A PARTIALLY EXPOSED, BROAD LOW LEVEL CIRCULATION 
(LLC) WITH FLARING DEEP CONVECTION OVERHEAD. A 260012Z MHS METOP-B 
89GHZ MICROWAVE IMAGE SHOWS LIMITED DEEP CONVECTION IN THE VICINITY 
OF THE LLC WITH NO ORGANIZATION. 99W IS CURRENTLY IN A MARGINAL 
ENVIRONMENT WITH MODERATE UPPER LEVEL OUTFLOW AND WARM (30 TO 31 
CELSIUS) SEA SURFACE TEMPERATURES BEING OFFSET BY MODERATE (15 TO 25 
KNOT) VERTICAL WIND SHEAR. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 
99W WILL CONTINUE TO TRACK GENERALLY WEST-NORTHWESTWARD WITH MINIMAL 
INTENSIFICATION. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 10 
TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007 
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.//
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