Subject: Pacific-NW: 1. Typhoon Paka (05c) Warning Nr 057a Corrected

From: SIU Weather Processor <[email-masked]>
Date: Tue, 16 Dec 1997 08:18:27 -0600

039
WTPN31 PGTW 161500 COR
1. TYPHOON PAKA (05C) WARNING NR 057A CORRECTED
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   161200Z0 --- 13.7N1 144.6E5
     MOVEMENT PAST SIX HOURS - 270 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 045 NM
     POSITION BASED ON EYE FIXED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 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 - 210 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   REPEAT POSIT: 13.7N1 144.6E5
    ---
   FORECASTS:
   12 HRS, VALID AT:
   170000Z8 --- 13.7N1 143.0E8
   MAX SUSTAINED WINDS - 120 KT, GUSTS 145 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 - 210 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 270 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   171200Z1 --- 13.7N1 141.2E8
   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 - 210 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 270 DEG/ 09 KTS
    ---
   36 HRS, VALID AT:
   180000Z9 --- 13.7N1 139.4E7
   MAX SUSTAINED WINDS - 110 KT, GUSTS 135 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 - 200 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 275 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   181200Z2 --- 13.8N2 137.8E9
   MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
   RADIUS OF 050 KT WINDS - 065 NM NORTH SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 190 NM NORTH SEMICIRCLE
                            065 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 280 DEG/ 07 KTS
    ---
   72 HRS, VALID AT:
   191200Z3 --- 14.3N8 135.0E9
   MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
   RADIUS OF 050 KT WINDS - 060 NM NORTH SEMICIRCLE
                            040 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 180 NM NORTH SEMICIRCLE
                            065 NM ELSEWHERE
    ---
REMARKS: 161500Z POSITION: 13.7N1 144.2E1
TYPHOON PAKA (05C) IS MOVING WESTWARD AT 7 KNOTS. CPA TO
GUAM OCCURRED AT APPROXIMATELY 161030Z OR 162030 LOCAL.
HEAVY WINDS ARE EXPECTED TO CONTINUE AS THE EASTERN SIDE
OF THE OUTER EYE-WALL PASSES THROUGH THE SOUTHERN MARIANA
ISLANDS. THE 50 KNOT WIND RADII IS EXPECTED TO BE CLEAR
OF GUAM NEAR 170600 LOCAL. MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 161200Z IS 39 FEET. REFER TO WWPW31 PGW FOR
ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT
162100Z0 (DTG 161951Z3), 170300Z1 (DTG 170151Z5),
170900Z7 (DTG 170751Z1), AND 171500Z4 (DTG 171351Z8).
JUSTIFICATION:CORRECTED DATE OF 50 KNOT WIND RADAII
PASSAGE.//

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