Subject: Pacific-NW: 01 Active Tropical Cyclone In Northwestpac [201500]

From: SIU Weather Processor <[email-masked]>
Date: Sun, 20 Jul 1997 08:37:55 -0500

121
WTPN31 PGTW 201500
1. TROPICAL STORM ROSIE (10W) WARNING NR 008
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   201200Z5 --- 14.5N0 135.5E4
     MOVEMENT PAST SIX HOURS - 300 DEGREES AT 10 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 030 NM
   RADIUS OF 035 KT WINDS - 090 NM NORTHEAST SEMICIRCLE
                            065 NM ELSEWHERE
   REPEAT POSIT: 14.5N0 135.5E4
    ---
   FORECASTS:
   12 HRS, VALID AT:
   210000Z3 --- 15.0N6 134.6E4
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   RADIUS OF 050 KT WINDS - 045 NM NORTHEAST SEMICIRCLE
                            030 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 100 NM NORTHEAST SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 320 DEG/ 05 KTS
    ---
   24 HRS, VALID AT:
   211200Z6 --- 15.8N4 133.9E6
   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
   VECTOR TO 36 HR POSIT: 335 DEG/ 05 KTS
    ---
   36 HRS, VALID AT:
   220000Z4 --- 16.7N4 133.5E2
   MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
   RADIUS OF 050 KT WINDS - 065 NM NORTHEAST SEMICIRCLE
                            045 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTHEAST SEMICIRCLE
                            115 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 350 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   221200Z7 --- 18.2N1 133.2E9
   MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
   RADIUS OF 050 KT WINDS - 080 NM NORTHEAST SEMICIRCLE
                            060 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 150 NM NORTHEAST SEMICIRCLE
                            130 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 005 DEG/ 08 KTS
    ---
   72 HRS, VALID AT:
   231200Z8 --- 21.3N6 133.6E3
   MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 090 NM EAST SEMICIRCLE
                            070 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 170 NM EAST SEMICIRCLE
                            140 NM ELSEWHERE
    ---
REMARKS:
201500Z8 POSITION 14.6N1  135.3E2
TROPICAL STORM ROSIE (10W) IS MOVING WEST-NORTHWESTWARD
AT 10 KNOTS IN THE PHILIPPINE SEA. THE WARNING POSITION
IS BASED ON 201100Z4 SATELLITE MICROWAVE IMAGERY SHOWING
A CLEARLY-DEFINED LOW-LEVEL CIRCULATION. TS ROSIE IS
FORECAST TO BEGIN TRACKING NORTHWESTWARD TO NORTH-
NORTHWESTWARD OVER THE NEXT 36 HOURS. TROPICAL STORM
ROSIE IS FORECAST TO INTENSIFY THROUGHOUT THE FORECAST
PERIOD. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201200Z5 IS
15 FEET. REFER TO WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION. NEXT WARNINGS AT 202100Z5 (DTG 201951Z8),
210300Z6 (DTG 210151Z0), 210900Z2 (DTG 210751Z6) AND
211500Z9 (DTG 211351Z3).//

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