Subject: Pacific-NW: Marine Warning -231447 (AUTOMATIC)

From: Charley Kline <[email-masked]>
Date: Mon, 23 Sep 1996 14:47:00 -0500

ZCZC DD+ 109059
WTPN31 PGTW 232100
1. TYPHOON YATES (28W) WARNING NR 005
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   231800Z4 --- 16.4N1 153.8E7
     MOVEMENT PAST SIX HOURS - 270 DEGREES AT 11 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 - 010 NM
   RADIUS OF 050 KT WINDS - 030 NM
   RADIUS OF 035 KT WINDS - 110 NM NORTH SEMICIRCLE
                            080 NM ELSEWHERE
   REPEAT POSIT: 16.4N1 153.8E7
    ---
   FORECASTS:
   12 HRS, VALID AT:
   240600Z2 --- 16.5N2 151.5E2
   MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT
   RADIUS OF 100 KT WINDS - 015 NM
   RADIUS OF 050 KT WINDS - 040 NM
   RADIUS OF 035 KT WINDS - 120 NM NORTH SEMICIRCLE
                            090 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 275 DEG/ 14 KTS
    ---
   24 HRS, VALID AT:
   241800Z5 --- 16.8N5 148.6E9
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
   RADIUS OF 100 KT WINDS - 025 NM
   RADIUS OF 050 KT WINDS - 060 NM NORTH SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTH SEMICIRCLE
                            100 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 280 DEG/ 18 KTS
    ---
   36 HRS, VALID AT:
   250600Z3 --- 17.5N3 144.8E7
   MAX SUSTAINED WINDS - 130 KT, GUSTS 160 KT
   RADIUS OF 100 KT WINDS - 030 NM
   RADIUS OF 050 KT WINDS - 070 NM NORTH SEMICIRCLE
                                   OVER WATER
                            050 NM ELSEWHERE OVER WATER
   RADIUS OF 035 KT WINDS - 155 NM NORTH SEMICIRCLE
                                   OVER WATER
                            120 NM ELSEWHERE OVER WATER
   VECTOR TO 48 HR POSIT: 295 DEG/ 16 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   251800Z6 --- 18.8N7 141.8E4
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
   RADIUS OF 100 KT WINDS - 030 NM
   RADIUS OF 050 KT WINDS - 070 NM NORTH SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 160 NM NORTH SEMICIRCLE
                            120 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 325 DEG/ 11 KTS
    ---
   72 HRS, VALID AT:
   261800Z7 --- 22.5N9 139.1E4
   MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 070 NM NORTHEAST SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 160 NM NORTHEAST SEMICIRCLE
                            120 NM ELSEWHERE
    ---
REMARKS:
232100Z8 POSITION 16.4N1  153.2E1
TYPHOON YATES (28W) IS MOVING WESTWARD AT APPROXIMATELY
11 KNOTS. IT HAS CONTINUED TO INTENSIFY OVER THE PAST 6
HOURS, BUT NOT AS RAPIDLY AS OVER THE PREVIOUS 6 HOURS.
IT STILL HAS A VERY WELL DEFINED EYE AND IS EASY TO
LOCATE IN ENHANCED INFRARED IMAGERY. A MONSOON DEPRESSION
TO THE SOUTHWEST OF TY YATES, CURRENTLY THE SUBJECT OF A
TROPICAL CYCLONE FORMATION ALERT (REFER TO WTPN22 PGTW)
IS FORECAST TO INTERACT WITH TY YATES. THE INTERACTION IS
ANTICIPATED TO RESULT IN ACCELERATION OF TY YATES TO THE
WEST ALONG OUR FORECAST TRACK. AS THE TWO SYSTEMS
INTERACT, THEY ARE EXPECTED TO DEVELOP A REVERSE-ORIENTED
MONSOON TROUGH, WHICH SHOULD SLOW THE FORWARD MOTION OF
BOTH SYSTEMS AND RESULT IN TY YATES TURNING TOWARD A MORE
NORTHWARD TRACK BY 72 HOURS. NEXT WARNINGS AT 240300Z9
(DTG 240151Z3), 240900Z5 (DTG 240751Z9), 241500Z2 (DTG
241351Z6) AND 242100Z9 (DTG 241951Z2). MAXIMUM

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