WTXS31 PGTW 160900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 20S (BILLY) WARNING NR 006// RMKS/ 1. TROPICAL CYCLONE 20S (BILLY) WARNING NR 006 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 160600Z --- NEAR 18.1S 93.6E MOVEMENT PAST SIX HOURS - 260 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 040 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 REPEAT POSIT: 18.1S 93.6E --- FORECASTS: 12 HRS, VALID AT: 161800Z --- 19.5S 92.3E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 220 DEG/ 07 KTS --- 24 HRS, VALID AT: 170600Z --- 20.6S 91.3E 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 - 030 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 250 DEG/ 06 KTS --- 36 HRS, VALID AT: 171800Z --- 21.0S 90.0E 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 - 000 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 275 DEG/ 07 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 180600Z --- 20.9S 88.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 160900Z POSITION NEAR 18.4S 93.3E. 16MAR22. TROPICAL CYCLONE 20S (BILLY), LOCATED APPROXIMATELY 402 NM SOUTH-SOUTHWEST OF THE COCOS ISLANDS, AUSTRALIA, HAS TRACKED WESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 160600Z IS 19 FEET. NEXT WARNINGS AT 162100Z AND 170900Z.// NNNN