WTXS52 PGTW 230900 WARNING ATCG MIL 15S SIO 180323082714 2018032306 15S MARCUS 031 01 185 13 SATL 030 T000 212S 1058E 095 R064 060 NE QD 060 SE QD 040 SW QD 040 NW QD R050 100 NE QD 095 SE QD 080 SW QD 070 NW QD R034 180 NE QD 190 SE QD 145 SW QD 135 NW QD T012 239S 1063E 075 R064 045 NE QD 045 SE QD 030 SW QD 015 NW QD R050 075 NE QD 075 SE QD 070 SW QD 040 NW QD R034 150 NE QD 160 SE QD 165 SW QD 105 NW QD T024 264S 1070E 055 R050 050 NE QD 070 SE QD 040 SW QD 015 NW QD R034 095 NE QD 210 SE QD 175 SW QD 100 NW QD T036 283S 1076E 040 R034 030 NE QD 150 SE QD 100 SW QD 050 NW QD T048 304S 1088E 030 AMP 036HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 048HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 15S (MARCUS) WARNING NR 031 1. TROPICAL CYCLONE 15S (MARCUS) WARNING NR 031 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 230600Z --- NEAR 21.2S 105.8E MOVEMENT PAST SIX HOURS - 185 DEGREES AT 13 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 100 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT REPEAT POSIT: 21.2S 105.8E --- FORECASTS: 12 HRS, VALID AT: 231800Z --- 23.9S 106.3E MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 045 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 075 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 160 NM SOUTHEAST QUADRANT 165 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 165 DEG/ 13 KTS --- 24 HRS, VALID AT: 240600Z --- 26.4S 107.0E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 095 NM NORTHEAST QUADRANT 210 NM SOUTHEAST QUADRANT 175 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 165 DEG/ 10 KTS --- 36 HRS, VALID AT: 241800Z --- 28.3S 107.6E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 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 100 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 155 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 250600Z --- 30.4S 108.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 230900Z POSITION NEAR 21.9S 105.9E. TROPICAL CYCLONE 15S (MARCUS), LOCATED APPROXIMATELY 467 NM WEST OF LEARMONTH, AUSTRALIA, HAS TRACKED SOUTHWARD AT 13 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 230600Z IS 30 FEET. NEXT WARNINGS AT 231500Z, 232100Z, 240300Z AND 240900Z. // 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 1518032200 159S1074E 140 1518032200 159S1074E 140 1518032200 159S1074E 140 1518032206 167S1066E 135 1518032206 167S1066E 135 1518032206 167S1066E 135 1518032212 176S1063E 125 1518032212 176S1063E 125 1518032212 176S1063E 125 1518032218 188S1060E 115 1518032218 188S1060E 115 1518032218 188S1060E 115 1518032300 199S1059E 105 1518032300 199S1059E 105 1518032300 199S1059E 105 1518032306 212S1058E 95 1518032306 212S1058E 95 1518032306 212S1058E 95