Subject: Pacific-NW: 1. Super Typhoon Paka (05c) Warning Nr 054a Corrected

From: SIU Weather Processor <[email-masked]>
Date: Mon, 15 Dec 1997 14:54:51 -0600

005
WTPN31 PGTW 152100 COR
1. SUPER TYPHOON PAKA (05C) WARNING NR 054A CORRECTED
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   151800Z5 --- 13.2N6 147.1E3
     MOVEMENT PAST SIX HOURS - 280 DEGREES AT 12 KTS
     POSITION ACCURATE TO WITHIN 045 NM
     POSITION BASED ON EYE FIXED BY A COMBINATION OF
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 070 NM NORTHEAST SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 230 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   REPEAT POSIT: 13.2N6 147.1E3
    ---
   FORECASTS:
   12 HRS, VALID AT:
   160600Z3 --- 13.5N9 145.1E1
   MAX SUSTAINED WINDS - 130 KT, GUSTS 160 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 070 NM NORTHEAST SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 230 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 275 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   161800Z6 --- 13.6N0 143.3E1
   MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 070 NM NORTHEAST SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 230 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 275 DEG/ 09 KTS
    ---
   36 HRS, VALID AT:
   170600Z4 --- 13.7N1 141.5E1
   MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 065 NM NORTHEAST SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 225 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 270 DEG/ 09 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   171800Z7 --- 13.7N1 139.7E0
   MAX SUSTAINED WINDS - 95 KT, GUSTS 120 KT
   RADIUS OF 050 KT WINDS - 065 NM NORTH SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 215 NM NORTH SEMICIRCLE
                            065 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 270 DEG/ 09 KTS
    ---
   72 HRS, VALID AT:
   181800Z8 --- 13.7N1 136.2E2
   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
   RADIUS OF 050 KT WINDS - 060 NM NORTH SEMICIRCLE
                            040 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 190 NM NORTH SEMICIRCLE
                            065 NM ELSEWHERE
    ---
REMARKS: 152100Z POSITION: 13.4N8 146.1E2
SUPER TYPHOON PAKA (05C) IS MOVING WESTWARD AT 12 KNOTS.
THE SYSTEM IS EXPECTED TO CONTINUE IN THIS DIRECTION
THROUGH 72 HOURS. THE SYSTEM MAY HAVE PEAKED OVER THE
PAST 6 HOURS. GRADUAL WEAKENING IS EXPECTED TO BEGIN
WITHIN THE NEXT 6 TO 12 HOURS. MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 151800Z IS 39 FEET. REFER TO WWPW31 PGFW FOR
ADDITIONAL SEA HEIGHT INFORMATION. JUSTIFICATION:
CORRECTED WIND RADII. NEXT WARNINGS AT 160300Z0 (DTG
160151Z4), 160900Z6 (DTG 160751Z0), 161500Z3 (DTG
161351Z7) AND 162100Z0 (DTG 161951Z3).//

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