WTXS31 PGTW 270300 2006086 0240 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// REF/A/NAVPACMETOCCEN PEARL HARBOR HI/262121Z MAR 06// AMPN/TROPICAL CYCLONE FORMATION ALERT// RMKS/ 1. TROPICAL CYCLONE 20S WARNING NR 001 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 270000Z --- NEAR 14.9S 124.3E MOVEMENT PAST SIX HOURS - 245 DEGREES AT 04 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT REPEAT POSIT: 14.9S 124.3E --- FORECASTS: 12 HRS, VALID AT: 271200Z --- 15.3S 123.4E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 240 DEG/ 06 KTS --- 24 HRS, VALID AT: 280000Z --- 15.9S 122.3E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 015 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 250 DEG/ 07 KTS --- 36 HRS, VALID AT: 281200Z --- 16.3S 121.0E MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 250 DEG/ 07 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 290000Z --- 16.7S 119.7E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 250 DEG/ 08 KTS --- 72 HRS, VALID AT: 300000Z --- 17.7S 116.4E MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT 105 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT --- REMARKS: 270300Z POSITION NEAR 15.0S 124.1E. TROPICAL CYCLONE (TC) 20S (NONAME), LOCATED APPROXIMATELY 80 NM NORTH-NORTHEAST OF YAMPI SOUND, AUSTRALIA, HAS TRACKED WEST- SOUTHWESTWARD AT 04 KNOTS OVER THE PAST 06 HOURS. A 270002Z SSMI PASS CLEARLY DEPICTS AN ORGANIZED LOW LEVEL CIRCULATION CENTER (LLCC) OVER WATER, AND ANIMATED MULTISPECTRAL IMAGERY REVEALS DEEP CONVECTION BEGINNING TO ENCIRCLE THE LLCC. THE CYCLONE IS EXPECTED TO TRACK TOWARD THE WEST-SOUTHWEST ALONG THE NORTHWESTERN PERIPHERY OF A BUILDING LOW- TO MID-LEVEL RIDGE OVER CENTRAL AUSTRALIA. TC 20s WILL INTENSIFY STEADILY DUE TO HIGH SEA SURFACE TEMPERATURES AND A FAVORABLE UPPER LEVEL ENVIRONMENT. THIS WARNING SUPERSEDES AND CANCELS REF A, NAVPACMETOCCEN 262121Z MAR 06 TROPICAL CYCLONE FORMATION ALERT (WTXS21 PGTW 262130 ). MAXIMUM SIGNIFICANT WAVE HEIGHT AT 270000Z IS 10 FEET. NEXT WARNINGS AT 270900Z, 271500Z, 272100Z AND 280300Z.// wxtlist.k: done