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Date: 	Sun, 18 Aug 1996 15:06:05 -0500
From: Charley Kline <[email-masked]>
Subject: Pacific-NW: Marine Warning -181506 (AUTOMATIC)
Sender: WX-TROPL Tropical Storm and Hurricane WX products <[email-masked]>
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ZCZC DD+ 61741
WTPN31 PGTW 182100
1. TROPICAL DEPRESSION 18W WARNING NR 004
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
181800Z8 --- 17.8N6 127.3E3
MOVEMENT PAST SIX HOURS - 265 DEGREES AT 11 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
REPEAT POSIT: 17.8N6 127.3E3
---
FORECASTS:
12 HRS, VALID AT:
190600Z6 --- 17.7N5 125.3E1
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
RADIUS OF 035 KT WINDS - 080 NM NORTHEAST SEMICIRCLE
050 NM ELSEWHERE
VECTOR TO 24 HR POSIT: 280 DEG/ 07 KTS
---
24 HRS, VALID AT:
191800Z9 --- 17.9N7 123.8E4
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
RADIUS OF 035 KT WINDS - 110 NM NORTHEAST SEMICIRCLE
080 NM ELSEWHERE
VECTOR TO 36 HR POSIT: 280 DEG/ 07 KTS
---
36 HRS, VALID AT:
200600Z8 --- 18.1N0 122.4E9
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
RADIUS OF 050 KT WINDS - 020 NM OVER WATER
RADIUS OF 035 KT WINDS - 130 NM NORTHEAST SEMICIRCLE
OVER WATER
080 NM ELSEWHERE OVER WATER
VECTOR TO 48 HR POSIT: 290 DEG/ 08 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
201800Z1 --- 18.6N5 120.9E2
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
RADIUS OF 050 KT WINDS - 020 NM OVER WATER
RADIUS OF 035 KT WINDS - 140 NM NORTH SEMICIRCLE
OVER WATER
080 NM ELSEWHERE OVER WATER
VECTOR TO 72 HR POSIT: 280 DEG/ 05 KTS
---
72 HRS, VALID AT:
211800Z2 --- 18.9N8 118.6E6
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
RADIUS OF 050 KT WINDS - 030 NM
RADIUS OF 035 KT WINDS - 145 NM NORTH SEMICIRCLE
085 NM ELSEWHERE
---
REMARKS:
182100Z2 POSITION 17.8N6  126.8E7
TROPICAL DEPRESSION 18W IS MOVING WESTWARD AT
APPROXIMATELY 11 KNOTS. ANIMATED INFRARED SATELLITE
IMAGERY INDICATES THIS SYSTEM MAY HAVE HAD A SLIGHT
EQUATORWARD COMPONENT OF MOTION OVER THE PAST FEW HOURS.
TD 18W IS FORECAST TO BRUSH THE NORTHERN COAST OF LUZON
WITHIN 36 HOURS FROM NOW. OUR INTENSITY FORECAST AND
FORECAST WIND RADII TAKE INTO ACCOUNT THE EFFECT OF THE
BASIC TERRAIN ON THIS SYSTEM. IF TD 18W DOES NOT APPROACH
LUZON AS FORECAST GREATER INTENSIFICATION THAN
INDICATED BY OUR FORECAST MAY BE POSSIBLE. NEXT WARNINGS
AT 190300Z3 (DTG 190153Z9), 190900Z9 (DTG 190753Z5),
191500Z6 (DTG 191353Z2) AND 192100Z3 (DTG 191953Z8).
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 181800Z8 IS 12 FEET.
REFER TO WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION.//

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