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

From: SIU Weather Processor <[email-masked]>
Date: Tue, 4 Nov 1997 13:56:12 -0600

279
ABPW10 PGTW 042000
MSGID/GENADMIN/NAVPACMETOCCEN WEST GU//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE
WESTERN PACIFIC OCEAN/042000Z/050600Z NOV 97//
REF/A/RMG/NAVPACMETOCCEN WEST GU/041353ZNOV97//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 041200Z7 TYPHOON KEITH (29W) WAS
LOCATED AT 17.1N9 135.7E6 AND MOVING NORTHWESTWARD
AT 08 KNOTS.  MAXIMUM SUSTAINED WINDS WERE ESTIMATED AT
120 KNOTS WITH GUSTS TO 145 KNOTS.  SEE REF A (TYPHOON
KEITH (29W) WARNING NR 32 (WTPN31 PGTW 041500))
AND 6 HOURLY UPDATES FOR FURTHER DETAILS.
      (2) NO OTHER SIGNIFICANT TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION PREVIOUSLY LOCATED ON
3 NOV NEAR 7N7 167E4 HAS BECOME BETTER ORGANIZED AND IS
NOW LOCATED NEAR 4N4 163E0. A LOW LEVEL CIRCULATION
CENTER CAN BE IDENTIFIED ON BOTH THE ANIMATED INFRARED
IMAGERY AND IN THE SYNOPTIC DATA. ALTHOUGH UPPER LEVEL
WINDS DERIVED FROM WATER VAPOR IMAGERY SHOW MODERATE
VERTICAL SHEAR ACROSS THIS AREA, THIS SHEAR APPEARS TO BE
WEAKENING AND BECOMING MORE ANTICYCLONIC. MAXIMUM
SUSTAINED WINDS ARE ESTIMATED AT 10 TO 20 KNOTS. MINIMUM
SEA LEVEL PRESSURE IS ESTIMATED AT 1010MB. THE POTENTIAL
FOR SIGNIFICANT TROPICAL CYCLONE DEVELOPMENT WITHIN THE
NEXT 24 HOURS IS POOR.
      (2) NO OTHER SUSPECT AREAS.
2. WESTERN SOUTH PACIFIC AREA (180 WEST TO 135E):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
FORECAST TEAM: EDSON/SANCHEZ/HALL/JONES//

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