WTXS31 PGTW 092100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 21S (OLGA) WARNING NR 017// RMKS/ 1. TROPICAL CYCLONE 21S (OLGA) WARNING NR 017 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 091800Z --- NEAR 18.6S 116.1E MOVEMENT PAST SIX HOURS - 205 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 135 NM SOUTHEAST QUADRANT 135 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 18.6S 116.1E --- FORECASTS: 12 HRS, VALID AT: 100600Z --- 19.8S 115.1E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 010 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 220 DEG/ 07 KTS --- 24 HRS, VALID AT: 101800Z --- 20.9S 114.1E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 010 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 215 DEG/ 06 KTS --- 36 HRS, VALID AT: 110600Z --- 21.9S 113.3E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 48 HR POSIT: 235 DEG/ 04 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 111800Z --- 22.4S 112.5E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 092100Z POSITION NEAR 18.9S 115.8E. 09APR24. TROPICAL CYCLONE 21S (OLGA), LOCATED APPROXIMATELY 249 NM NORTH-NORTHEAST OF LEARMONTH, AUSTRALIA, HAS TRACKED SOUTH- SOUTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 091800Z IS 1000 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 091800Z IS 17 FEET. NEXT WARNINGS AT 100300Z, 100900Z, 101500Z AND 102100Z.// NNNN