Subject: Pacific-NW: Upgraded From Tropical Storm 10w [210300]

From: SIU Weather Processor <[email-masked]>
Date: Sun, 20 Jul 1997 20:42:44 -0500

139
WTPN31 PGTW 210300
1. TYPHOON ROSIE (10W) WARNING NR 010
   UPGRADED FROM TROPICAL STORM 10W
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   210000Z3 --- 15.2N8 134.9E7
     MOVEMENT PAST SIX HOURS - 330 DEGREES AT 06 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON EYE FIXED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   RADIUS OF 050 KT WINDS - 055 NM NORTHEAST SEMICIRCLE
                            040 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 110 NM NORTHEAST SEMICIRCLE
                            090 NM ELSEWHERE
   REPEAT POSIT: 15.2N8 134.9E7
    ---
   FORECASTS:
   12 HRS, VALID AT:
   211200Z6 --- 16.2N9 134.3E1
   MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
   RADIUS OF 050 KT WINDS - 065 NM EAST SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM EAST SEMICIRCLE
                            115 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 355 DEG/ 06 KTS
    ---
   24 HRS, VALID AT:
   220000Z4 --- 17.4N2 134.2E0
   MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
   RADIUS OF 050 KT WINDS - 080 NM EAST SEMICIRCLE
                            060 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 150 NM EAST SEMICIRCLE
                            130 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 360 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   221200Z7 --- 18.7N6 134.2E0
   MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT
   RADIUS OF 100 KT WINDS - 025 NM
   RADIUS OF 050 KT WINDS - 095 NM EAST SEMICIRCLE
                            075 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 180 NM EAST SEMICIRCLE
                            150 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 005 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   230000Z5 --- 20.3N5 134.4E2
   MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT
   RADIUS OF 100 KT WINDS - 035 NM EAST SEMICIRCLE
                            025 NM ELSEWHERE
   RADIUS OF 050 KT WINDS - 105 NM EAST SEMICIRCLE
                            085 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 190 NM EAST SEMICIRCLE
                            160 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 010 DEG/ 10 KTS
    ---
   72 HRS, VALID AT:
   240000Z6 --- 24.1N7 135.0E9
   MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
   RADIUS OF 100 KT WINDS - 040 NM EAST SEMICIRCLE
                            030 NM ELSEWHERE
   RADIUS OF 050 KT WINDS - 115 NM EAST SEMICIRCLE
                            095 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 200 NM EAST SEMICIRCLE
                            170 NM ELSEWHERE
    ---
REMARKS:
210300Z6 POSITION 15.5N1  134.8E6
TYPHOON ROSIE IS MOVING NORTH-NORTHWESTWARD AT 6 KNOTS.
THE SYSTEM HAS INTENSIFIED RAPIDLY AND IS FORECAST TO
CONTINUE INTENSIFYING AS IT TURNS TO THE NORTH.  WARNING
POSITION BASED ON 202330 SATELLITE IMAGERY. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 210000Z3 IS 20 FEET. REFER TO
WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT
WARNINGS AT 210900Z2 (DTG 210751Z6), 211500Z9 (DTG
211351Z3), 212100Z6 (DTG 211951Z9) AND 220300Z7
(DTG 220151Z1).//

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