Subject: Pacific-NW: 1. Typhoon Rosie (10w) Warning Nr 021 [232100]

From: SIU Weather Processor <[email-masked]>
Date: Wed, 23 Jul 1997 15:12:30 -0500

521
WTPN31 PGTW 232100
1. TYPHOON ROSIE (10W) WARNING NR 021
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   231800Z4 --- 21.6N9 132.2E8
     MOVEMENT PAST SIX HOURS - 010 DEGREES AT 09 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON EYE FIXED BY SATELLITE

PAGE 03 RUHGSGG5514 UNCLAS
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 110 NM EAST SEMICIRCLE
                            090 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 250 NM EAST SEMICIRCLE
                            220 NM ELSEWHERE
   REPEAT POSIT: 21.6N9 132.2E8
    ---
   FORECASTS:
   12 HRS, VALID AT:
   240600Z2 --- 23.6N1 132.6E2
   MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 105 NM EAST SEMICIRCLE
                            085 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 235 NM EAST SEMICIRCLE
                            210 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 010 DEG/ 13 KTS
    ---

PAGE 04 RUHGSGG5514 UNCLAS
   24 HRS, VALID AT:
   241800Z5 --- 26.2N0 133.0E7
   MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 095 NM EAST SEMICIRCLE
                            075 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 230 NM EAST SEMICIRCLE
                            205 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 360 DEG/ 14 KTS
    ---
   36 HRS, VALID AT:
   250600Z3 --- 28.9N9 133.1E8
   MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
   RADIUS OF 050 KT WINDS - 085 NM EAST SEMICIRCLE
                            065 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 220 NM EAST SEMICIRCLE
                                   OVER WATER
                            195 NM ELSEWHERE OVER WATER
   VECTOR TO 48 HR POSIT: 355 DEG/ 13 KTS
    ---

PAGE 05 RUHGSGG5514 UNCLAS
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   251800Z6 --- 31.5N9 132.9E5
   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
   RADIUS OF 050 KT WINDS - 075 NM EAST SEMICIRCLE
                                   OVER WATER
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 205 NM EAST SEMICIRCLE
                                   OVER WATER
                            175 NM ELSEWHERE OVER WATER
   VECTOR TO 72 HR POSIT: 350 DEG/ 11 KTS
    ---
   72 HRS, VALID AT:
   261800Z7 --- 35.7N5 132.2E8
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 025 NM EAST SEMICIRCLE
                            020 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 140 NM EAST SEMICIRCLE
                                   OVER WATER
                            110 NM ELSEWHERE OVER WATER

PAGE 06 RUHGSGG5514 UNCLAS
    ---
REMARKS:
232100Z8 POSITION 22.1N5  132.3E9
TYPHOON ROSIE IS MOVING NORTHWARD AT 09 KNOTS.  THE
WARNING POSITION AND INTENSITY ARE BASED ON 231730Z6
INFRARED SATELLITE IMAGERY. THERE IS LITTLE CHANGE IN
FORECAST REASONING FROM THE PREVIOUS WARNING. TYPHOON
ROSIE (10W) IS FORECAST TO MAINTAIN GENERAL MOTION TOWARD
THE NORTH AND GRADUALLY WEAKEN BEFORE MAKING LANDFALL IN
SOUTHERN JAPAN IN ABOUT 48 HOURS, THEN WEAKEN MORE
RAPIDLY. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 231730Z6 IS
33 FEET. REFER TO WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION. NEXT WARNINGS AT 240300Z9 (DTG 240151Z3),
240900Z5 (DTG 240751Z9), 241500Z2 (DTG 241351Z6) AND
242100Z9 (DTG 241951Z2).//
BT
#5514

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