Subject: Pacific-NW: 1. Super Typhoon Paka (05c) Warning Nr 063

From: SIU Weather Processor <[email-masked]>
Date: Wed, 17 Dec 1997 21:29:34 -0600

339
WTPN31 PGTW 180300
1. SUPER TYPHOON PAKA (05C) WARNING NR 063
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   180000Z9 --- 14.3N8 139.7E0
     MOVEMENT PAST SIX HOURS - 290 DEGREES AT 09 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON EYE FIXED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 160 KT, GUSTS 195 KT
   RADIUS OF 100 KT WINDS - 030 NM

PAGE 03 RUHPSGG4004 UNCLAS
   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: 14.3N8 139.7E0
    ---
   FORECASTS:
   12 HRS, VALID AT:
   181200Z2 --- 14.9N4 138.4E6
   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 - 140 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 285 DEG/ 06 KTS
    ---
   24 HRS, VALID AT:
   190000Z0 --- 15.2N8 137.1E2
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT

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   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: 270 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   191200Z3 --- 15.2N8 135.7E6
   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 48 HR POSIT: 280 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   200000Z2 --- 15.5N1 134.0E8

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   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 070 NM NORTHEAST SEMICIRCLE
                            040 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 140 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 275 DEG/ 07 KTS
    ---
   72 HRS, VALID AT:
   210000Z3 --- 15.7N3 131.0E5
   MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 060 NM NORTHEAST SEMICIRCLE
                            040 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTHEAST SEMICIRCLE
                            065 NM ELSEWHERE
    ---
REMARKS:  180000Z9 POSITION: 14.4N9 139.4E7
LATEST SATELLITE IMAGERY INDICATES THAT SUPER TYPHOON
PAKA (05C) HAS REINTENSIFIED TO 160 KNOTS. THIS IMAGERY,

PAGE 06 RUHPSGG4004 UNCLAS
WHICH IS SUPPORTED BY SPECIAL MICROWAVE IMAGERY (SSM/I),
INDICATES THAT PAKA HAS REACHED NEAR THE MAXIMUM LIMIT
CAPABLE OF BEING ESTIMATED WITH SATELLITE-ONLY
TECHNIQUES. THIS CYCLONE REMAINS FAIRLY WELL COMPACT
WITH AN EYE DIAMETER OF APPROXIMATELY 25NM AND GALE FORCE
BT
#4004

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