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Date:	Fri, 27 Sep 1996 15:21:36 -0500
From:	Charley Kline <[email-masked]>
Subject: Pacific-NW: Marine Warning -271521 (AUTOMATIC)
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ZCZC DD+ 35316
WTPN31 PGTW 272100
1. TYPHOON YATES (28W) WARNING NR 021
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
271800Z8 --- 20.9N1 139.0E3
MOVEMENT PAST SIX HOURS - 325 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON EYE FIXED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT
RADIUS OF 100 KT WINDS - 020 NM
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 035 KT WINDS - 150 NM SOUTHEAST SEMICIRCLE
110 NM ELSEWHERE
REPEAT POSIT: 20.9N1 139.0E3
---
FORECASTS:
12 HRS, VALID AT:
280600Z6 --- 22.6N0 138.8E0
MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT
RADIUS OF 100 KT WINDS - 020 NM
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 035 KT WINDS - 150 NM SOUTHEAST SEMICIRCLE
120 NM ELSEWHERE
VECTOR TO 24 HR POSIT: 360 DEG/ 09 KTS
---
24 HRS, VALID AT:
281800Z9 --- 24.4N0 138.8E0
MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
RADIUS OF 100 KT WINDS - 020 NM
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 035 KT WINDS - 160 NM EAST SEMICIRCLE
130 NM ELSEWHERE
VECTOR TO 36 HR POSIT: 020 DEG/ 11 KTS
---
36 HRS, VALID AT:
290600Z7 --- 26.4N2 139.6E9
MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
RADIUS OF 100 KT WINDS - 015 NM
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 035 KT WINDS - 160 NM EAST SEMICIRCLE
130 NM ELSEWHERE
VECTOR TO 48 HR POSIT: 035 DEG/ 12 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
291800Z0 --- 28.3N3 141.2E8
MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
RADIUS OF 100 KT WINDS - 015 NM
RADIUS OF 050 KT WINDS - 060 NM
RADIUS OF 035 KT WINDS - 155 NM EAST SEMICIRCLE
125 NM ELSEWHERE
VECTOR TO 72 HR POSIT: 050 DEG/ 16 KTS
---
72 HRS, VALID AT:
301800Z2 --- 32.1N6 147.0E2
MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
RADIUS OF 050 KT WINDS - 060 NM SOUTHEAST SEMICIRCLE
050 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 150 NM SOUTHEAST SEMICIRCLE
120 NM ELSEWHERE
---
REMARKS:
272100Z2 POSITION 21.3N6  139.0E3
TYPHOON YATES (28W) HAS WEAKENED SLIGHTLY DURING THE PAST
6 HOURS WHILE TRACKING NORTH-NORTHWESTWARD. THE EYE HAS
ONCE AGAIN BECOME CLOUD COVERED AND YATES INTENSITY MAY
FLUCUATE SLIGHTLY DURING THE NEXT 12-24 HOURS. HOWEVER, A
GENERAL WEAKENING TREND IS EXPECTED, ESPECIALLY AFTER 24
HOURS WHEN YATES ENCOUNTER STRONG WESTERLY UPPER-LEVEL
SHEAR. MINIMUM SEA-LEVEL PRESSURE IS ESTIMATED TO BE
933 MB. NEXT WARNINGS AT 280300Z3 (DTG 280151Z7),
280900Z9 (DTG 280751Z3), 281500Z6 (DTG 281351Z0) AND
282100Z3 (DTG 281951Z6). MAXIMUM SIGNIFICANT WAVE HEIGHT
AT 27/1800Z IS 29 FEET. REFER TO WWPW31 PGFW FOR
ADDITIONAL SEA HEIGHT INFORMATION. REFER TO TYPHOON ZANE
(29W) (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.//

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