WTXS52 PGTW 171500 WARNING ATCG MIL 15S SIO 180317133009 2018031712 15S MARCUS 008 02 235 08 SATL RADR SYNP 050 T000 135S 1293E 050 R050 000 NE QD 025 SE QD 025 SW QD 000 NW QD R034 055 NE QD 060 SE QD 065 SW QD 050 NW QD T012 141S 1277E 060 R050 030 NE QD 025 SE QD 025 SW QD 025 NW QD R034 060 NE QD 055 SE QD 050 SW QD 075 NW QD T024 148S 1258E 055 R050 025 NE QD 030 SE QD 030 SW QD 025 NW QD R034 055 NE QD 050 SE QD 060 SW QD 070 NW QD T036 153S 1238E 055 R050 030 NE QD 040 SE QD 040 SW QD 030 NW QD R034 070 NE QD 075 SE QD 075 SW QD 060 NW QD T048 155S 1217E 070 R064 030 NE QD 035 SE QD 040 SW QD 035 NW QD R050 035 NE QD 060 SE QD 050 SW QD 040 NW QD R034 085 NE QD 105 SE QD 100 SW QD 070 NW QD T072 151S 1164E 100 R064 030 NE QD 050 SE QD 050 SW QD 025 NW QD R050 035 NE QD 075 SE QD 070 SW QD 030 NW QD R034 085 NE QD 150 SE QD 135 SW QD 100 NW QD T096 155S 1105E 125 R064 040 NE QD 055 SE QD 055 SW QD 045 NW QD R050 060 NE QD 085 SE QD 080 SW QD 050 NW QD R034 135 NE QD 175 SE QD 150 SW QD 115 NW QD T120 176S 1065E 120 R064 055 NE QD 055 SE QD 055 SW QD 060 NW QD R050 070 NE QD 115 SE QD 100 SW QD 070 NW QD R034 145 NE QD 180 SE QD 165 SW QD 135 NW QD AMP SUBJ: TROPICAL CYCLONE WARNING 1. TROPICAL CYCLONE 15S (MARCUS) WARNING NR 008 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 171200Z --- NEAR 13.5S 129.3E MOVEMENT PAST SIX HOURS - 235 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 050 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 000 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT REPEAT POSIT: 13.5S 129.3E --- FORECASTS: 12 HRS, VALID AT: 180000Z --- 14.1S 127.7E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 250 DEG/ 10 KTS --- 24 HRS, VALID AT: 181200Z --- 14.8S 125.8E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 255 DEG/ 10 KTS --- 36 HRS, VALID AT: 190000Z --- 15.3S 123.8E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 265 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 191200Z --- 15.5S 121.7E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 105 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 275 DEG/ 13 KTS --- 72 HRS, VALID AT: 201200Z --- 15.1S 116.4E MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 135 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 265 DEG/ 14 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 211200Z --- 15.5S 110.5E MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT 175 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT 115 NM NORTHWEST QUADRANT VECTOR TO 120 HR POSIT: 240 DEG/ 11 KTS --- 120 HRS, VALID AT: 221200Z --- 17.6S 106.5E MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 055 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 180 NM SOUTHEAST QUADRANT 165 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT --- REMARKS: 171500Z POSITION NEAR 13.7S 128.9E. TROPICAL CYCLONE (TC) 15S (MARCUS), LOCATED APPROXIMATELY 111 NM WEST- SOUTHWEST OF DARWIN, AUSTRALIA, HAS TRACKED SOUTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 171200Z IS 18 FEET. NEXT WARNINGS AT 172100Z, 180300Z, 180900Z AND 181500Z. 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 50 1518031712 135S1293E 50