WTXS52 PGTW 180300 WARNING ATCG MIL 15S SIO 180318013659 2018031718 15S MARCUS 009 02 250 08 SATL RADR 030 T000 139S 1286E 050 R050 025 NE QD 030 SE QD 025 SW QD 020 NW QD R034 050 NE QD 055 SE QD 055 SW QD 045 NW QD T012 144S 1270E 045 R034 055 NE QD 050 SE QD 055 SW QD 080 NW QD T024 150S 1250E 045 R034 055 NE QD 055 SE QD 060 SW QD 050 NW QD T036 155S 1218E 055 R050 020 NE QD 035 SE QD 035 SW QD 020 NW QD R034 080 NE QD 090 SE QD 085 SW QD 060 NW QD T048 156S 1205E 070 R064 035 NE QD 040 SE QD 045 SW QD 035 NW QD R050 025 NE QD 065 SE QD 055 SW QD 030 NW QD R034 100 NE QD 120 SE QD 110 SW QD 080 NW QD T072 153S 1151E 100 R064 040 NE QD 055 SE QD 055 SW QD 040 NW QD R050 050 NE QD 090 SE QD 070 SW QD 050 NW QD R034 130 NE QD 150 SE QD 135 SW QD 105 NW QD T096 162S 1096E 120 R064 050 NE QD 060 SE QD 060 SW QD 050 NW QD R050 065 NE QD 090 SE QD 080 SW QD 060 NW QD R034 155 NE QD 165 SE QD 145 SW QD 125 NW QD T120 186S 1061E 115 R064 065 NE QD 065 SE QD 070 SW QD 060 NW QD R050 080 NE QD 090 SE QD 090 SW QD 075 NW QD R034 170 NE QD 175 SE QD 155 SW QD 130 NW QD AMP SUBJ: TROPICAL CYCLONE 15S (MARCUS) WARNING NR 009 1. TROPICAL CYCLONE 15S (MARCUS) WARNING NR 009 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 171800Z --- NEAR 13.9S 128.6E MOVEMENT PAST SIX HOURS - 240 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT REPEAT POSIT: 13.9S 128.6E --- FORECASTS: 12 HRS, VALID AT: 180600Z --- 14.4S 127.0E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 255 DEG/ 10 KTS --- 24 HRS, VALID AT: 181800Z --- 15.0S 125.0E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 255 DEG/ 11 KTS --- 36 HRS, VALID AT: 190600Z --- 15.5S 122.8E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 265 DEG/ 11 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 191800Z --- 15.6S 120.5E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 275 DEG/ 13 KTS --- 72 HRS, VALID AT: 201800Z --- 15.3S 115.1E MAX SUSTAINED WINDS - 100 KT, GUSTS 125 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 040 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 135 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 260 DEG/ 13 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 211800Z --- 16.2S 109.6E MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 125 NM NORTHWEST QUADRANT VECTOR TO 120 HR POSIT: 235 DEG/ 10 KTS --- 120 HRS, VALID AT: 221800Z --- 18.6S 106.1E MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 065 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT 175 NM SOUTHEAST QUADRANT 155 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT --- REMARKS: 172100Z POSITION NEAR 14.0S 128.2E.TROPICAL CYCLONE 15S (MARCUS), LOCATED APPROXIMATELY 208 NM WEST- SOUTHWEST OF DARWIN, AUSTRALIA, HAS TRACKED WEST-SOUTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 180000Z IS 15 FEET. NEXT WARNINGS AT 180900Z, 181500Z, 182100Z AND 190300Z. FOR TWELVE-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 NNNN