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Date:	Sat, 20 Dec 1997 13:55:53 -0600
Reply-To: [email-masked]
Sender: WX-TROPL Tropical Storm and Hurricane WX products <[email-masked]>
From:	SIU Weather Processor <[email-masked]>
Subject:      Pacific-NW: 1. Typhoon Paka (05c) Warning Nr 074
To:	Multiple recipients of list WX-TROPL <[email-masked]>
Status: RO

617
WTPN31 PGTW 202100
1. TYPHOON PAKA (05C) WARNING NR 074
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
201800Z1 --- 18.1N0 132.3E9
MOVEMENT PAST SIX HOURS - 310 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
RADIUS OF 050 KT WINDS - 040 NM NORTH QUADRANT
020 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 130 NM NORTH QUADRANT
065 NM ELSEWHERE
REPEAT POSIT: 18.1N0 132.3E9
---
FORECASTS:
12 HRS, VALID AT:
210600Z9 --- 19.0N0 131.1E6
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
RADIUS OF 050 KT WINDS - 030 NM NORTH QUADRANT
020 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 115 NM NORTH QUADRANT
050 NM ELSEWHERE
VECTOR TO 24 HR POSIT: 280 DEG/ 07 KTS
---
24 HRS, VALID AT:
211800Z2 --- 19.2N2 129.7E9
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
RADIUS OF 035 KT WINDS - 090 NM NORTH QUADRANT
050 NM ELSEWHERE
VECTOR TO 36 HR POSIT: 245 DEG/ 05 KTS
---
36 HRS, VALID AT:
220600Z0 --- 18.8N7 128.8E9
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
RADIUS OF 035 KT WINDS - 050 NM NORTH SEMICIRCLE
050 NM ELSEWHERE
VECTOR TO 48 HR POSIT: 240 DEG/ 04 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221800Z3 --- 18.4N3 128.1E2
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER
WATER
VECTOR TO 72 HR POSIT: 235 DEG/ 04 KTS
---
72 HRS, VALID AT:
231800Z4 --- 17.5N3 126.7E6
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER
WATER
---
REMARKS:
212100Z POSITION: 18.3N2 131.7E2
TYPHOON PAKA (05C) IS MOVING NORTHWEST AT 08 KNOTS.  THE
WARNING POSITION IS BASED UPON 211730Z4 ENHANCED INFRARED
SATELLITE IMAGERY. THE SYSTEM CONTINUES TO WEAKEN
RAPIDLY, AND A MICROWAVE IMAGER PASS AT 201136Z REVEALED
THAT THE LOW LEVEL CIRCULATION CENTER IS NOW EXPOSED.
CONVECTION CONTINUES TO DECREASE AND THIS SYSTEM IS
EXPECTED TO DISSIPATE OVER THE WATER BY 72 HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 181800Z IS 20 FEET.
REFER TO WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION.  NEXT WARNINGS AT 210300Z6 (DTG 210151Z0),
210900Z2 (DTG 210751Z6), 211500Z9 (DTG 211351Z3) AND
212100Z6 (DTG 211951Z9).//

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