WTXS51 PGTW 111500 WARNING ATCG MIL 21S SIO 200311140432 2020031112 21S TWENTYONE 002 01 195 12 SATL 025 T000 176S 1166E 035 R034 035 NE QD 055 SE QD 025 SW QD 000 NW QD T012 194S 1157E 035 R034 030 NE QD 050 SE QD 020 SW QD 000 NW QD T024 211S 1148E 035 R034 030 NE QD 040 SE QD 020 SW QD 000 NW QD T036 228S 1141E 030 AMP 024HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 036HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL CYCLONE 21S (TWENTYONE) WARNING NR 002 1. TROPICAL CYCLONE 21S (TWENTYONE) WARNING NR 002 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 111200Z --- NEAR 17.6S 116.6E MOVEMENT PAST SIX HOURS - 195 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 17.6S 116.6E --- FORECASTS: 12 HRS, VALID AT: 120000Z --- 19.4S 115.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 205 DEG/ 09 KTS --- 24 HRS, VALID AT: 121200Z --- 21.1S 114.8E 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 040 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 200 DEG/ 09 KTS --- 36 HRS, VALID AT: 130000Z --- 22.8S 114.1E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 111500Z POSITION NEAR 18.0S 116.4E. 11MAR20. TROPICAL CYCLONE (TC) 21S (TWENTYONE), LOCATED APPROXIMATELY 198 NM NORTHWEST OF PORT HEDLAND, AUSTRALIA, HAS TRACKED SOUTH-SOUTHWESTWARD AT 12 KNOTS (KTS) OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 111200Z IS 13 FEET. NEXT WARNINGS AT 112100Z, 120300Z, 120900Z AND 121500Z.// 2120030818 105S1131E 15 2120030900 106S1132E 15 2120030906 108S1134E 15 2120030912 112S1138E 20 2120030918 117S1147E 20 2120031000 123S1155E 20 2120031006 130S1162E 20 2120031012 139S1168E 30 2120031018 147S1170E 30 2120031100 155S1170E 30 2120031106 164S1169E 35 2120031112 176S1166E 35 NNNN