Subject: Pacific-NW: 1. Super Typhoon Paka (05c) Warning Nr 065

From: SIU Weather Processor <[email-masked]>
Date: Thu, 18 Dec 1997 08:04:15 -0600

072
WTPN31 PGTW 181500
1. SUPER TYPHOON PAKA (05C) WARNING NR 065
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   181200Z2 --- 14.9N4 138.2E4
     MOVEMENT PAST SIX HOURS - 290 DEGREES AT 08 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON EYE FIXED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT
   RADIUS OF 100 KT WINDS - 030 NM
   RADIUS OF 050 KT WINDS - 080 NM NORTHEAST SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 150 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   REPEAT POSIT: 14.9N4 138.2E4
    ---
   FORECASTS:
   12 HRS, VALID AT:
   190000Z0 --- 15.3N9 136.5E5
   MAX SUSTAINED WINDS - 130 KT, GUSTS 160 KT
   RADIUS OF 100 KT WINDS - 030 NM
   RADIUS OF 050 KT WINDS - 080 NM NORTHEAST SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 145 NM NORTHEAST SEMICIRCLE
                            075 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 280 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   191200Z3 --- 15.6N2 134.9E7
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
   RADIUS OF 100 KT WINDS - 025 NM
   RADIUS OF 050 KT WINDS - 075 NM NORTHEAST SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 140 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 275 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   200000Z2 --- 15.7N3 133.3E0
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
   RADIUS OF 100 KT WINDS - 025 NM
   RADIUS OF 050 KT WINDS - 075 NM NORTH SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 140 NM NORTH SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 270 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   201200Z5 --- 15.7N3 131.6E1
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 070 NM NORTH SEMICIRCLE
                            040 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 140 NM NORTH SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 270 DEG/ 07 KTS
    ---
   72 HRS, VALID AT:
   211200Z6 --- 15.7N3 128.7E8
   MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 060 NM NORTH SEMICIRCLE
                            040 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTH SEMICIRCLE
                            065 NM ELSEWHERE
    ---
REMARKS:
181500Z POSITION: 15.0N6 137.8E9
SUPER TYPHOON PAKA (05C) HAS BEEN MOVING WEST-
NORTHWESTWARD THE PAST 06 HOURS.  THE WARNING POSITION IS
BASED UPON 181130Z4 ENHANCED INFRARED SATELLITE IMAGERY.
THERE IS NO SIGNIFICANT CHANGE TO THE FORECAST
PHILOSOPHY.  SIGNIFICANT WAVE HEIGHT AT 181200Z IS 28
FEET.  REFER TO WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION. NEXT WARNINGS AT 182100Z2 (DTG 181951Z5),
190300Z3 (DTG 190151Z7), 190900Z9 (DTG 190751Z3) AND
191500Z6 (DTG 191351Z0).//

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