WTXS52 PGTW 200900 WARNING ATCG MIL 15S SIO 180320074026 2018032006 15S MARCUS 019 02 280 17 SATL 020 T000 148S 1167E 105 R064 035 NE QD 045 SE QD 035 SW QD 025 NW QD R050 070 NE QD 080 SE QD 070 SW QD 045 NW QD R034 130 NE QD 150 SE QD 130 SW QD 090 NW QD T012 147S 1138E 120 R064 040 NE QD 055 SE QD 050 SW QD 035 NW QD R050 065 NE QD 095 SE QD 085 SW QD 050 NW QD R034 135 NE QD 170 SE QD 140 SW QD 095 NW QD T024 151S 1112E 135 R064 045 NE QD 060 SE QD 055 SW QD 040 NW QD R050 070 NE QD 095 SE QD 090 SW QD 060 NW QD R034 145 NE QD 170 SE QD 145 SW QD 115 NW QD T036 158S 1089E 135 R064 050 NE QD 065 SE QD 055 SW QD 045 NW QD R050 085 NE QD 100 SE QD 090 SW QD 070 NW QD R034 155 NE QD 165 SE QD 145 SW QD 120 NW QD T048 172S 1073E 120 R064 060 NE QD 070 SE QD 060 SW QD 050 NW QD R050 095 NE QD 100 SE QD 090 SW QD 075 NW QD R034 165 NE QD 165 SE QD 150 SW QD 120 NW QD T072 216S 1063E 090 R064 055 NE QD 060 SE QD 055 SW QD 045 NW QD R050 090 NE QD 095 SE QD 085 SW QD 065 NW QD R034 150 NE QD 155 SE QD 155 SW QD 115 NW QD T096 255S 1075E 055 R050 045 NE QD 050 SE QD 060 SW QD 020 NW QD R034 085 NE QD 175 SE QD 140 SW QD 095 NW QD T120 277S 1093E 035 R034 055 NE QD 145 SE QD 145 SW QD 055 NW QD AMP 096HR BECOMING EXTRATROPICAL 120HR BECOMING EXTRATROPICAL SUBJ: TROPICAL CYCLONE WARNING 1. TROPICAL CYCLONE 15S (MARCUS) WARNING NR 019 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 200600Z --- NEAR 14.8S 116.7E MOVEMENT PAST SIX HOURS - 280 DEGREES AT 17 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT REPEAT POSIT: 14.8S 116.7E --- FORECASTS: 12 HRS, VALID AT: 201800Z --- 14.7S 113.8E MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT 170 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 260 DEG/ 13 KTS --- 24 HRS, VALID AT: 210600Z --- 15.1S 111.2E MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 045 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 170 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 115 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 250 DEG/ 12 KTS --- 36 HRS, VALID AT: 211800Z --- 15.8S 108.9E MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 085 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 225 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 220600Z --- 17.2S 107.3E MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 095 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 190 DEG/ 11 KTS --- 72 HRS, VALID AT: 230600Z --- 21.6S 106.3E MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 055 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 155 NM SOUTHEAST QUADRANT 155 NM SOUTHWEST QUADRANT 115 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 165 DEG/ 10 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 240600Z --- 25.5S 107.5E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 175 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 120 HR POSIT: 145 DEG/ 07 KTS --- 120 HRS, VALID AT: 250600Z --- 27.7S 109.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 145 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT --- REMARKS: 200900Z POSITION NEAR 14.8S 116.0E. TROPICAL CYCLONE (TC) 15S (MARCUS), LOCATED APPROXIMATELY 347 NM NORTH-NORTHWEST OF PORT HEDLAND, AUSTRALIA, HAS TRACKED WESTWARD AT 17 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 200600Z IS 41 FEET. NEXT WARNINGS AT 201500Z, 202100Z, 210300Z AND 210900Z. FOR SIX-HOURLY UPDATES.// 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