Subject: Pacific-NW:

From: SIU Weather Processor <[email-masked]>
Date: Sat, 6 Dec 1997 22:39:16 -0600

686
WTPN31 PGTW 070300 COR

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1. TROPICAL STORM PAKA (05C) WARNING NR 019A CORRECTED
   01 ACTIVE TROPICAL CYCLONE IN WESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   070000Z7 --- 8.4N2 180.0E9
     MOVEMENT PAST SIX HOURS - 270 DEGREES AT 08 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   RADIUS OF 035 KT WINDS - 040 NM NORTH SEMICIRCLE
                            030 NM ELSEWHERE
   REPEAT POSIT: 8.4N2 180.0E9
    ---
   FORECASTS:
   12 HRS, VALID AT:
   071200Z0 --- 8.4N2 178.4E0
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   RADIUS OF 035 KT WINDS - 040 NM NORTH SEMICIRCLE

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                            030 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 275 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   080000Z8 --- 8.5N3 176.7E1
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   RADIUS OF 035 KT WINDS - 035 NM NORTH SEMICIRCLE
                            025 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 270 DEG/ 10 KTS
    ---
   36 HRS, VALID AT:
   081200Z1 --- 8.5N3 174.6E8
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   VECTOR TO 48 HR POSIT: 270 DEG/ 12 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   090000Z9 --- 8.5N3 172.2E2
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER

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WATER
   VECTOR TO 72 HR POSIT: 270 DEG/ 14 KTS
    ---
   72 HRS, VALID AT:
   100000Z1 --- 8.5N3 166.5E8
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER
WATER
    ---
REMARKS:
070300Z POSITION: 08.4N2 179.2E9
TROPICAL STORM PAKA (05C) IS MOVING WESTWARD AT 08 KNOTS.
THE WARNING POSITION IS BASED ON 062330Z4 VISIBLE
SATELLITE IMAGERY.  THE SYSTEM IS EXPECTED TO CONTINUE A
WESTWARD TRACK THROUGHOUT THE FORECAST PERIOD.  IT WILL
BEGIN WEAKENING AFTER THE 24 HOUR POSITION DUE TO
INCREASING VERTICAL WIND SHEAR. JUSTIFICATION FOR
CORRECTION: TO CORRECT MANOP HEADER.  MAXIMUM SIGNIFICANT
WAVE HEIGHT AT 070000Z IS 15 FEET.  REFER TO WWPW30 PGFW
FOR ADDITIONAL SEA HEIGHT INFORMATION.  NEXT WARNINGS AT

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070900Z8 (DTG 070751Z0), 071500Z4(DTG 071351Z7),
072100Z1 (DTG 071951Z3), AND 080300Z2 (DTG 080151Z5).
JUSTIFICATION FOR CORRECTION: TO CORRECT MANOP HEADER.//
BT
#5111

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