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

From: SIU Weather Processor <[email-masked]>
Date: Fri, 19 Dec 1997 00:41:29 -0600

618
ABPW10 PGTW 190600
MSGID/GENADMIN/NAVPACMETOCCEN WEST GU//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE
WESTERN PACIFIC OCEAN/190600Z/200600Z DEC 97//
REF/A/RMG/NAVPACMETOCCEN WEST GUAM 190151Z DEC 97//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY:
      (1) AT 190000Z0, TYPHOON PAKA (05C) WAS
LOCATED AT 15.3N9 136.3E3 AND WAS MOVING TOWARDS THE WEST
AT 09 KNOTS. MAXIMUM SUSTAINED WINDS WERE 115 KNOTS WITH
GUSTS TO 140 KNOTS. SEE REF A (TYPHOON PAKA (05C) WARNING
NR 67 (WTPN31 PGTW 190300)) FOR FURTHER DETAILS.
 (2) NO OTHER SIGNIFICANT TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
 (1) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR
4N4 159E5 IS NOW LOCATED 4N4 154E0. THE 182049Z4
MICROWAVE IMAGERY (SSM,I) PASS IS INDICATING A SLIGHT
CURVATURE OF CONVECTIVE CLOUD LINES SUGGESTING POSSIBLE
WEAK LOW-LEVEL CIRCULATION. CONVECTION ASSOCIATED WITH
THIS SYSTEM IS DISORGANIZED AND ANIMATED WATER VAPOR
IMAGERY INDICATE WEAK TO MODERATE VERTICAL SHEAR ACROSS
THE AREA. MAXIMUM SUSTAINED WINDS ARE ESTIMATED AT 10 TO
15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE
1007 MB. THE POTENTIAL FOR SIGNIFICANT TROPICAL CYCLONE
DEVELOPMENT WITHIN THE NEXT 24 HOURS IS POOR.
 (2) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR
4N4 172E0 HAS DISSIPATED AND IS NO LONGER CONSIDERED
SUSPECT.
 (3) NO OTHER SUSPECT AREAS.
2. WESTERN SOUTH PACIFIC AREA (180 WEST TO 135 EAST):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
FORECAST TEAM: SULLINS/HILDEBRAND/EIBLING/TIRSCHEL//

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