ABPW10 PGTW 071530
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND
/SOUTH PACIFIC OCEANS REISSUED/071530Z-080600ZNOV2020//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/071352ZNOV2020//
REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/071451ZNOV2020
NARR/REF A IS A TROPICAL CYCLONE WARNING. REF B IS A TROPICAL
/CYCLONE FORMATION ALERT.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 07NOV20 0600Z, TROPICAL STORM 23W (ATSANI) WAS LOCATED 
NEAR 22.7N 119.2E, APPROXIMATELY 191 NM SOUTHWEST OF TAIPEI, TAIWAN, 
AND HAD TRACKED WEST-NORTHWESTWARD AT 02 KNOTS OVER THE PAST SIX 
HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 40 KNOTS 
GUSTING TO 50 KNOTS. SEE REF A (WTPN32 PGTW 071500) FOR FURTHER 
DETAILS.
      (2) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 92W) PREVIOUSLY LOCATED 
NEAR 11.2N 127.4E IS NOW LOCATED NEAR 12.4N 124.1E, APPROXIMATELY 45 
NM SOUTH-SOUTHEAST OF LEGAZPI, PHILIPPINES. ANIMATED ENHANCED 
INFRARED SATELLITE IMAGERY DEPICTS PERSISTENT DEEP CONVECTION 
SLIGHTLY SHEARED TO THE WEST OF THE LOW LEVEL CIRCULATION (LLC) 
STRUGGLING AGAINST THE FRICTION EFFECTS FROM THE PHILIPPINE ISLANDS. 
A 071007Z SSMIS F-17 91GHZ MICROWAVE IMAGE REVEALS THE DEEP 
CONVECTION OVERHEAD THE LLC, ALONG WITH SHALLOWER CONVECTIVE BANDING 
FORMING TO THE EAST. 92W IS CURRENTLY IN AN UNFAVORABLE ENVIRONMENT 
WITH MODERATE UPPER LEVEL OUTFLOW AND WARM (29 TO 30 CELSIUS) SEA 
SURFACE TEMPERATURES BEING HEAVILY OFFSET BY MODERATE TO UNFAVORABLE 
(20 TO 25 KNOTS) VERTICAL WIND SHEAR AND LAND INTERACTION AS 92W 
TRANSITS THE PHILIPPINE ISLANDS. GLOBAL MODELS ARE IN GOOD AGREEMENT 
THAT 92W WILL TRACK WESTWARD WITH VERY LITTLE INTENSIFICATION WHILE 
OVER THE PHILIPPINES. AFTER 92W ENTERS THE SOUTH CHINA SEA IN THE 
NEXT 36 HOURS HOWEVER, MODELS EXPECT IT TO SLIGHTLY INTENSIFY TO 
WARNING THRESHOLD WITH MINIMAL FURTHER INTENSIFICATION AS IT CROSSES 
THE SOUTH CHINA SEA. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED 
AT 15 TO 20 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 IS UPGRADED TO HIGH. SEE 
REF B (WTPN21 PGTW 071500) FOR FURTHER DETAILS.
      (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: UPGRADED AREA IN PARA 1.B.(1) TO 
HIGH.//
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