Subject: Pacific-NW: Subj/significant Tropical Weather Advisory For The

From: SIU Weather Processor <[email-masked]>
Date: Mon, 29 Dec 1997 00:43:17 -0600

596
ABPW10 PGTW 290600
MSGID/GENADMIN/NAVPACMETOCCEN WEST GU//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE
WESTERN PACIFIC OCEAN/290600Z/300600Z DEC 97//
REF/A/RMG/NAVPACMETOCCEN WEST GUAM 281351Z DEC 97//
REF/B/RMG/NAVPACMETOCCEN PEARL HARBOR HI 282254Z DEC 97//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
2. WESTERN SOUTH PACIFIC AREA (180 WEST TO 135 EAST):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 281200Z3, TROPICAL CYCLONE 08S (SID) WAS
LOCATED AT 18.1S0 138.9E1 AND WAS MOVING SOUTHWARD
AT 15 KNOTS. MAXIMUM SUSTAINED WINDS WERE 35 KNOTS WITH
GUSTS TO 45 KNOTS. SEE REF A (TROPICAL CYCLONE 08S (SID)
WARNING NUMBER 06 (WTPS31 PGTW 281500)) FOR THE FINAL
WARNING.
      (2) NO OTHER SIGNIFICANT TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION PREVIOUSLY LOCATED NEAR
12S3 177E5 IS NOW LOCATED AT 12S3 178E6. THE ASSOCIATED
LOW-LEVEL CIRCULATION IS LOCATED AT 13S4 177E5. THIS AREA
HAS BEEN DOWNGRADED FROM GOOD TO POOR DUE TO THE ABSENCE
OF CENTRAL CONVECTION, APPROXIMATELY 75 NM SEPARATION OF
THE CENTER FROM THE NEAREST DEEP CONVECTION, AND
INCONSISTENCY OF THE DEEP CONVECTION. SEE REF B (TROPICAL
CYCLONE FORMATION ALERT CANCELLATION (WPS21 PHNC 282030))
FOR FURTHER DETAILS. MAXIMUM SUSTAINED WINDS ARE
ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE
IS ESTIMATED TO BE 1006 MB. THE POTENTIAL FOR SIGNIFICANT
TROPICAL CYCLONE DEVELOPMENT WITHIN THE NEXT 24 HOURS IS
POOR.
    (2) NO OTHER SUSPECT AREAS.
FORECAST TEAM: BOYER/JOHNSON/BOYD/GILL//

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