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Date:	Sun, 21 Dec 1997 01:55:25 -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. Tropical Storm Paka (05c) Warning Nr 076 Relocated
To:	Multiple recipients of list WX-TROPL <[email-masked]>
Status: RO

804
WTPN31 PGTW 210900
1. TROPICAL STORM PAKA (05C) WARNING NR 076 RELOCATED
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
210600Z9 --- 18.0N9 132.5E1
MOVEMENT PAST SIX HOURS - 300 DEGREES AT 02 KTS
POSITION ACCURATE TO WITHIN 045 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
RADIUS OF 035 KT WINDS - 130 NM NORTH QUADRANT
040 NM ELSEWHERE
REPEAT POSIT: 18.0N9 132.5E1
---
FORECASTS:
12 HRS, VALID AT:
211800Z2 --- 18.0N9 132.2E8
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER
WATER
RADIUS OF 035 KT WINDS - 090 NM NORTH QUADRANT
040 NM ELSEWHERE
VECTOR TO 24 HR POSIT: 270 DEG/ 02 KTS
---
24 HRS, VALID AT:
220600Z0 --- 18.0N9 131.7E2
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER
WATER
VECTOR TO 36 HR POSIT: 260 DEG/ 03 KTS
---
36 HRS, VALID AT:
221800Z3 --- 17.9N7 131.1E6
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER
WATER
VECTOR TO 48 HR POSIT: 250 DEG/ 03 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
230600Z1 --- 17.7N5 130.5E9
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER
WATER
VECTOR TO 72 HR POSIT: 245 DEG/ 03 KTS
---
72 HRS, VALID AT:
240600Z2 --- 17.2N0 129.3E5
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER
WATER
---
REMARKS:
210900Z2 POSITION: 18.0N9 132.4E0
TROPICAL STORM PAKA (05C) HAS REMAINED QUASI-STATIONARY
OVER THE PAST 6 HOURS. THE WARNING POSITION AND INTENSITY
ARE BASED ON 210530Z1 VISIBLE SATELLITE IMAGERY. ANIMATED
VISIBLE IMAGERY SHOWS THE EXPOSED LOW-LEVEL CIRCULATION
ASSOCIATED WITH PAKA HAS REMAINED ALMOST STATIONARY AS
THE MAIN CONVECTION CONTINUES TO TRACK TOWARDS THE
NORTHWEST. PAKA IS FORECAST TO TRACK TOWARDS THE WEST AS
A MID LATITUDE TROUGH PASSES TO THE EAST AND PAKA IS
STEERED BY LOW-LEVEL NORTHEASTERLY FLOW. THROUGHOUT THE
FORECAST PERIOD PAKA IS EXPECTED TO WEAKEN AS THE MAIN
CONVECTION IS EMBEDDED IN MID TO UPPER LEVEL WESTERLY
FLOW AND CONTINUES TO SHEAR AWAY FROM THE SURFACE
CIRCULATION. THE RELOCATED WARNING POSITION IS BASED ON
ANIMATED VISIBLE IMAGERY. MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 210600Z IS 15 FEET. REFER TO WWPW30 PGFW FOR
ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT
211500Z9 (DTG 21351Z), 212100Z6 (DTG 211951Z),
220300Z7 (DTG 220151Z) AND 220900Z3 (DTG 220751Z).//

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