ABPW10 PGTW 051730
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND
/SOUTH PACIFIC OCEANS REISSUED/051730Z-060600ZDEC2020//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION (INVEST 97W) HAS PERSISTED NEAR 
22.0N 137.0E, APPROXIMATELY 288 NM SOUTHWEST OF IWO TO. ANIMATED 
ENHANCED INFRARED SATELLITE IMAGERY DEPICTS BUILDING DEEP CONVECTION 
OVERHEAD A SMALL LOW LEVEL CIRCULATION (LLC) SITTING ON THE EDGE OF 
A FRONTAL BOUNDARY. A 051235Z METOP-B ASCAT PASS REVEALS TIGHT 
TROUGHING, RATHER THAN A CLOSED CIRCULATION, WITH 20 TO 30 KNOT 
WINDS LIMITED TO THE NORTHEAST SIDE OF THE CUSP. 97W IS CURRENTLY IN 
A MARGINAL ENVIRONMENT WITH EXCELLENT POLEWARD OUTFLOW AND WARM (28 
TO 29 CELSIUS) SEA SURFACE TEMPERATURES BEING OFFSET BY UNFAVORABLE 
(20 TO 30 KNOT) VERTICAL WIND SHEAR AND INTERACTION WITH THE NEARBY 
FRONTAL FEATURE. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 97W WILL 
PERSIST AS A TIGHT TROUGH OVER THE NEXT COUPLE DAYS AS IS DISSOLVES 
INTO THE FRONT TO THE NORTH. MAXIMUM SUSTAINED SURFACE WINDS ARE 
ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED 
TO BE NEAR 1012 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A 
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS 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.
3. JUSTIFICATION FOR REISSUE: ADDED AREA IN PARA 1.B.(1) AS LOW.//
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