WTXS52 PGTW 212100 WARNING ATCG MIL 15S SIO 180321194305 2018032118 15S MARCUS 025 01 245 12 SATL 020 T000 155S 1084E 140 R064 035 NE QD 045 SE QD 045 SW QD 030 NW QD R050 070 NE QD 090 SE QD 085 SW QD 055 NW QD R034 125 NE QD 155 SE QD 150 SW QD 105 NW QD T012 167S 1067E 135 R064 070 NE QD 075 SE QD 065 SW QD 065 NW QD R050 105 NE QD 115 SE QD 110 SW QD 095 NW QD R034 190 NE QD 190 SE QD 175 SW QD 165 NW QD T024 186S 1058E 125 R064 075 NE QD 085 SE QD 070 SW QD 070 NW QD R050 120 NE QD 125 SE QD 105 SW QD 095 NW QD R034 200 NE QD 195 SE QD 170 SW QD 170 NW QD T036 209S 1056E 115 R064 080 NE QD 085 SE QD 075 SW QD 065 NW QD R050 115 NE QD 115 SE QD 105 SW QD 090 NW QD R034 195 NE QD 190 SE QD 180 SW QD 160 NW QD T048 236S 1062E 090 R064 060 NE QD 065 SE QD 055 SW QD 035 NW QD R050 095 NE QD 090 SE QD 095 SW QD 070 NW QD R034 170 NE QD 205 SE QD 220 SW QD 150 NW QD T072 279S 1079E 045 R034 055 NE QD 205 SE QD 160 SW QD 080 NW QD T096 316S 1113E 030 AMP 048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 15S (MARCUS) WARNING NR 025 1. TROPICAL CYCLONE 15S (MARCUS) WARNING NR 025 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 211800Z --- NEAR 15.5S 108.4E MOVEMENT PAST SIX HOURS - 245 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 140 KT, GUSTS 170 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT 155 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT REPEAT POSIT: 15.5S 108.4E --- FORECASTS: 12 HRS, VALID AT: 220600Z --- 16.7S 106.7E MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 070 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 105 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 175 NM SOUTHWEST QUADRANT 165 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 205 DEG/ 10 KTS --- 24 HRS, VALID AT: 221800Z --- 18.6S 105.8E MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 075 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 120 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT 195 NM SOUTHEAST QUADRANT 170 NM SOUTHWEST QUADRANT 170 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 185 DEG/ 12 KTS --- 36 HRS, VALID AT: 230600Z --- 20.9S 105.6E MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 080 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 115 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 195 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 180 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 170 DEG/ 14 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 231800Z --- 23.6S 106.2E MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 095 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 095 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT 205 NM SOUTHEAST QUADRANT 220 NM SOUTHWEST QUADRANT 150 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 160 DEG/ 11 KTS --- 72 HRS, VALID AT: 241800Z --- 27.9S 107.9E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 205 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 140 DEG/ 12 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 251800Z --- 31.6S 111.3E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 212100Z POSITION NEAR 15.8S 108.0E. TROPICAL CYCLONE 15S (MARCUS), LOCATED APPROXIMATELY 521 NM NORTHWEST OF LEARMONTH, AUSTRALIA, HAS TRACKED WEST-SOUTHWESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 211800Z IS 52 FEET. NEXT WARNINGS AT 220300Z, 220900Z, 221500Z AND 222100Z. // 1518031318 85S1287E 20 1518031400 88S1289E 20 1518031406 90S1292E 20 1518031412 90S1296E 20 1518031418 90S1300E 20 1518031500 90S1304E 25 1518031506 93S1313E 30 1518031512 96S1319E 30 1518031518 101S1323E 35 1518031600 105S1324E 40 1518031606 108S1322E 40 1518031612 112S1319E 40 1518031618 117S1316E 40 1518031700 124S1311E 45 1518031706 130S1300E 45 1518031712 135S1293E 45 1518031718 139S1286E 50 1518031718 139S1286E 50 1518031800 142S1278E 55 1518031800 142S1278E 55 1518031806 146S1266E 50 1518031806 146S1266E 50 1518031812 150S1253E 45 1518031818 150S1243E 50 1518031818 150S1243E 50 1518031900 152S1234E 65 1518031900 152S1234E 65 1518031900 152S1234E 65 1518031906 155S1226E 80 1518031906 155S1226E 80 1518031906 155S1226E 80 1518031912 156S1212E 95 1518031912 156S1212E 95 1518031912 156S1212E 95 1518031918 153S1199E 100 1518031918 153S1199E 100 1518031918 153S1199E 100 1518032000 151S1184E 105 1518032000 151S1184E 105 1518032000 151S1184E 105 1518032006 148S1167E 105 1518032006 148S1167E 105 1518032006 148S1167E 105 1518032012 145S1152E 110 1518032012 145S1152E 110 1518032012 145S1152E 110 1518032018 145S1138E 115 1518032018 145S1138E 115 1518032018 145S1138E 115 1518032100 145S1124E 120 1518032100 145S1124E 120 1518032100 145S1124E 120 1518032106 148S1109E 125 1518032106 148S1109E 125 1518032106 148S1109E 125 1518032112 150S1095E 135 1518032112 150S1095E 135 1518032112 150S1095E 135 1518032118 155S1084E 140 1518032118 155S1084E 140 1518032118 155S1084E 140