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Date:	Sun, 29 Sep 1996 21:22:32 -0500
From:	Charley Kline <[email-masked]>
Subject: Pacific-NW: Marine Warning -292122 (AUTOMATIC)
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ZCZC DD+ 51517
WTPN32 PGTW 300300
1. TYPHOON ZANE (29W) WARNING NR 025
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
300000Z3 --- 27.1N0 128.1E2
MOVEMENT PAST SIX HOURS - 090 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 020 NM
POSITION BASED ON EYE FIXED BY A COMBINATION OF
SATELLITE, RADAR AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
RADIUS OF 050 KT WINDS - 060 NM OVER WATER
RADIUS OF 035 KT WINDS - 120 NM SOUTH SEMICIRCLE
OVER WATER
090 NM ELSEWHERE OVER WATER
REPEAT POSIT: 27.1N0 128.1E2
---
FORECASTS:
12 HRS, VALID AT:
301200Z6 --- 27.1N0 129.8E0
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
RADIUS OF 050 KT WINDS - 055 NM
RADIUS OF 035 KT WINDS - 115 NM SOUTH SEMICIRCLE
OVER WATER
085 NM ELSEWHERE OVER WATER
VECTOR TO 24 HR POSIT: 080 DEG/ 12 KTS
---
24 HRS, VALID AT:
010000Z1 --- 27.4N3 132.4E0
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
RADIUS OF 050 KT WINDS - 050 NM SOUTH SEMICIRCLE
040 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 110 NM SOUTH SEMICIRCLE
080 NM ELSEWHERE
VECTOR TO 36 HR POSIT: 075 DEG/ 14 KTS
---
36 HRS, VALID AT:
011200Z4 --- 28.0N0 135.5E4
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
BECOMING EXTRATROPICAL
RADIUS OF 050 KT WINDS - 035 NM SOUTH SEMICIRCLE
025 NM ELSEWHERE
RADIUS OF 035 KT WINDS - 100 NM SOUTH SEMICIRCLE
070 NM ELSEWHERE
VECTOR TO 48 HR POSIT: 075 DEG/ 16 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
020000Z2 --- 28.7N7 139.0E3
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
BECOMING EXTRATROPICAL
RADIUS OF 035 KT WINDS - 090 NM SOUTH SEMICIRCLE
060 NM ELSEWHERE
VECTOR TO 72 HR POSIT: 080 DEG/ 19 KTS
---
72 HRS, VALID AT:
030000Z3 --- 29.9N0 147.4E6
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
EXTRATROPICAL
---
REMARKS:
300300Z6 POSITION 27.1N0  128.5E6
TYPHOON ZANE (29W) IS MOVING EASTWARD AT APPROXIMATELY 09
KNOTS. IT IS CURRENTLY NORTH OF OKINAWA MOVING TOWARD
YORON ISLAND (WMO STN 479425; RORY) WHICH IS FORECAST TO
HAVE DIRECT PASSAGE. DOPPLER RADAR DATA FROM THE WSR-88D
ON OKINAWA SHOWS THE NORTHERN TIP OF OKINAWA IS BEING
BRUSHED BY THE SOUTHERN PORTION OF THE EYEWALL, AS
IS OKINO ISLAND TO THE NORTH. ANIMATED WATER VAPOR
IMAGERY INDICATES THE AIRMASS IMMEDIATELY SURROUNDING THE
WESTERN SIDE OF TY ZANE HAS BECOME MUCH DRYER OVER THE
PAST 24 HOURS, AND THIS DRYER AIR IS EXPECTED TO BEGIN
ENTRAINING INTO TY ZANE DURING THE NEXT 12 HOURS, WHICH
SHOULD CONTRIBUTE TO THE WEAKENING OF THIS SYSTEM.
MODERATE STRENGTH MID- AND UPPER-LEVEL WESTERLIES
IMPINGING ON TY ZANE HAVE CREATED A MODERATE STRENGTH
VERTICAL WIND SHEAR ENVIRONMENT WHICH IS CONTRIBUTING TO
WEAKENING OF TY ZANE AT THIS TIME. ANIMATED VISIBLE AND
ENHANCED INFRARED SATELLITE IMAGERY INDICATE THAT BINARY
INTERACTION WITH TYPHOON YATES (28W) TO THE EAST HAS
CONTINUED OVER THE PAST 24 HOURS. THIS INTERACTION IS
EXPECTED TO KEEP TY ZANE FROM MOVING VERY FAR NORTH
WITHIN THE NEXT 24 HOURS. TRANSITION INTO AN
EXTRATROPICAL LOW IS ANTICIPATED BY 72 HOURS. NEXT
WARNINGS AT 300900Z2 (DTG 300753Z8), 301500Z9 (DTG
301353Z5), 302100Z6 (DTG 301953Z1) AND 010300Z4 (DTG
010153Z0). MAXIMUM SIGNIFICANT WAVE HEIGHT AT 300000Z3 IS
21 FEET. REFER TO WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION. REFER TO TYPHOON YATES (28W) WARNINGS
(WTPN31 PGTW) FOR SIX-HOURLY UPDATES.//

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