WTXS51 PGTW 010900 WARNING ATCG MIL 21S SIO 180501071857 2018050106 21S FLAMBOYAN 013 01 165 04 SATL 030 T000 173S 0838E 050 R050 040 NE QD 050 SE QD 050 SW QD 040 NW QD R034 075 NE QD 130 SE QD 130 SW QD 075 NW QD T012 187S 0841E 045 R034 150 NE QD 265 SE QD 145 SW QD 090 NW QD T024 202S 0850E 040 R034 115 NE QD 270 SE QD 100 SW QD 085 NW QD T036 217S 0862E 035 R034 080 NE QD 205 SE QD 045 SW QD 025 NW QD AMP 024HR BECOMING EXTRATROPICAL 036HR EXTRATROPICAL SUBJ: TROPICAL CYCLONE WARNING 1. TROPICAL CYCLONE 21S (FLAMBOYAN) WARNING NR 013 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 010600Z --- NEAR 17.3S 83.8E MOVEMENT PAST SIX HOURS - 165 DEGREES AT 04 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT REPEAT POSIT: 17.3S 83.8E --- FORECASTS: 12 HRS, VALID AT: 011800Z --- 18.7S 84.1E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 265 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 150 DEG/ 09 KTS --- 24 HRS, VALID AT: 020600Z --- 20.2S 85.0E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT 270 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 145 DEG/ 09 KTS --- 36 HRS, VALID AT: 021800Z --- 21.7S 86.2E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 205 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT --- REMARKS: 010900Z POSITION NEAR 17.7S 83.9E. TROPICAL CYCLONE (TC) 21S (FLAMBOYAN), LOCATED APPROXIMATELY 901 NM SOUTHEAST OF DIEGO GARCIA, HAS TRACKED SOUTH-SOUTHEASTWARD AT 04 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z IS 22 FEET. NEXT WARNINGS AT 011500Z, 012100Z, 020300Z AND 020900Z.// 2118042618 69S 988E 15 2118042700 71S 982E 15 2118042706 73S 976E 20 2118042712 74S 970E 25 2118042718 76S 958E 25 2118042800 82S 942E 30 2118042806 89S 925E 35 2118042812 95S 910E 40 2118042818 102S 901E 45 2118042900 111S 890E 50 2118042906 121S 878E 55 2118042906 121S 878E 55 2118042912 128S 864E 50 2118042912 128S 864E 50 2118042918 135S 857E 55 2118042918 135S 857E 55 2118043000 142S 849E 60 2118043000 142S 849E 60 2118043006 149S 845E 65 2118043006 149S 845E 65 2118043006 149S 845E 65 2118043012 156S 843E 70 2118043012 156S 843E 70 2118043012 156S 843E 70 2118043018 163S 842E 70 2118043018 163S 842E 70 2118043018 163S 842E 70 2118050100 169S 837E 60 2118050100 169S 837E 60 2118050106 173S 838E 50 2118050106 173S 838E 50 NNNN