WTPN31 PGTW 240900 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TYPHOON 20W (KETSANA) WARNING NR 023 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 240600Z2 --- NEAR 21.0N3 133.7E4 MOVEMENT PAST SIX HOURS - 020 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 150 NM NORTHWEST QUADRANT REPEAT POSIT: 21.0N3 133.7E4 --- FORECASTS: 12 HRS, VALID AT: 241800Z5 --- 22.5N9 134.5E3 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT EXTRATROPICAL RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 110 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 035 DEG/ 18 KTS --- 24 HRS, VALID AT: 250600Z3 --- 25.4N1 136.7E7 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT EXTRATROPICAL VECTOR TO 36 HR POSIT: 040 DEG/ 25 KTS --- 36 HRS, VALID AT: 251800Z6 --- 29.2N3 140.5E0 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT EXTRATROPICAL VECTOR TO 48 HR POSIT: 045 DEG/ 28 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 260600Z4 --- 33.0N6 145.3E3 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT EXTRATROPICAL --- REMARKS: 240900Z5 POSITION NEAR 21.4N7 133.9E6. TYPHOON (TY) 20W (KETSANA), LOCATED APPROXIMATELY 475 NM WEST-SOUTHWEST OF IWO JIMA, HAS TRACKED NORTH-NORTHEASTWARD AT 05 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 240530Z4 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 90 AND 102 KNOTS. RECENT MICROWAVE IMAGERY REVEALS DRY AIR BEING ENTRAINED INTO THE WESTERN SIDE OF TY 20W. ANIMATED MULTISPECTRAL SATELLITE IMAGERY REVEALS A 16 NM EYE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 240600Z2 IS 24 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 241500Z2, 242100Z9, 250300Z0 AND 250900Z6. REFER TO TYPHOON 21W (PARMA) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. REFER TO TROPICAL DEPRESSION 23W WARNINGS (WTPN34 PGTW) FOR SIX-HOURLY UPDATES.// NNNN