WTXS51 PGTW 302100 WARNING ATCG MIL 21S SIO 180430202054 2018043018 21S FLAMBOYAN 011 01 190 07 SATL 060 T000 163S 0842E 070 R064 020 NE QD 030 SE QD 020 SW QD 020 NW QD R050 035 NE QD 055 SE QD 065 SW QD 035 NW QD R034 110 NE QD 150 SE QD 140 SW QD 090 NW QD T012 178S 0839E 060 R050 035 NE QD 055 SE QD 050 SW QD 030 NW QD R034 145 NE QD 180 SE QD 125 SW QD 080 NW QD T024 194S 0841E 050 R050 030 NE QD 040 SE QD 035 SW QD 030 NW QD R034 140 NE QD 190 SE QD 125 SW QD 075 NW QD T036 208S 0847E 040 R034 135 NE QD 200 SE QD 115 SW QD 075 NW QD T048 223S 0858E 035 R034 145 NE QD 210 SE QD 100 SW QD 070 NW QD AMP 036HR BECOMING EXTRATROPICAL 048HR EXTRATROPICAL SUBJ: TROPICAL CYCLONE 21S (FLAMBOYAN) WARNING NR 011 1. TROPICAL CYCLONE 21S (FLAMBOYAN) WARNING NR 011 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 301800Z --- NEAR 16.3S 84.2E MOVEMENT PAST SIX HOURS - 190 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT REPEAT POSIT: 16.3S 84.2E --- FORECASTS: 12 HRS, VALID AT: 010600Z --- 17.8S 83.9E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 180 NM SOUTHEAST QUADRANT 125 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 175 DEG/ 08 KTS --- 24 HRS, VALID AT: 011800Z --- 19.4S 84.1E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 125 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 160 DEG/ 08 KTS --- 36 HRS, VALID AT: 020600Z --- 20.8S 84.7E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT 200 NM SOUTHEAST QUADRANT 115 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 145 DEG/ 09 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 021800Z --- 22.3S 85.8E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 210 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT --- REMARKS: 302100Z POSITION NEAR 16.7S 84.1E. TROPICAL CYCLONE 21S (FLAMBOYAN), LOCATED APPROXIMATELY 881 NM SOUTHEAST OF DIEGO GARCIA, HAS TRACKED SOUTHWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 301800Z IS 26 FEET. NEXT WARNINGS AT 010900Z AND 012100Z. // 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 NNNN