WTXS31 PGTW 232100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 17S (LUANA) WARNING NR 004// RMKS/ 1. TROPICAL CYCLONE 17S (LUANA) WARNING NR 004 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 231800Z --- NEAR 16.0S 121.4E MOVEMENT PAST SIX HOURS - 135 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT REPEAT POSIT: 16.0S 121.4E --- FORECASTS: 12 HRS, VALID AT: 240600Z --- 17.1S 122.7E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 135 DEG/ 07 KTS --- 24 HRS, VALID AT: 241800Z --- 18.1S 123.7E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 170 DEG/ 05 KTS --- 36 HRS, VALID AT: 250600Z --- 19.1S 123.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 232100Z POSITION NEAR 16.3S 121.7E.23JAN26. TROPICAL CYCLONE 17S (LUANA), LOCATED APPROXIMATELY 123 NM NORTH-NORTHWEST OF BROOME, AUSTRALIA, HAS TRACKED SOUTHEASTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 231800Z IS 994 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 231800Z IS 21 FEET. NEXT WARNINGS AT 240300Z, 240900Z, 241500Z AND 242100Z.// NNNN