WTXS52 PGTW 190900 WARNING ATCG MIL 15S SIO 180319075321 2018031906 15S MARCUS 015 02 250 08 SATL RADR SYNP 015 T000 155S 1226E 075 R064 015 NE QD 020 SE QD 020 SW QD 015 NW QD R050 035 NE QD 050 SE QD 050 SW QD 030 NW QD R034 075 NE QD 100 SE QD 100 SW QD 070 NW QD T012 156S 1203E 100 R064 030 NE QD 050 SE QD 040 SW QD 025 NW QD R050 050 NE QD 080 SE QD 075 SW QD 045 NW QD R034 125 NE QD 145 SE QD 120 SW QD 085 NW QD T024 155S 1176E 115 R064 035 NE QD 050 SE QD 050 SW QD 030 NW QD R050 055 NE QD 085 SE QD 075 SW QD 055 NW QD R034 125 NE QD 155 SE QD 130 SW QD 100 NW QD T036 155S 1147E 125 R064 040 NE QD 055 SE QD 055 SW QD 040 NW QD R050 065 NE QD 085 SE QD 080 SW QD 065 NW QD R034 150 NE QD 165 SE QD 140 SW QD 110 NW QD T048 158S 1119E 130 R064 050 NE QD 065 SE QD 060 SW QD 045 NW QD R050 080 NE QD 095 SE QD 090 SW QD 075 NW QD R034 170 NE QD 165 SE QD 145 SW QD 120 NW QD T072 180S 1079E 110 R064 070 NE QD 075 SE QD 070 SW QD 060 NW QD R050 100 NE QD 105 SE QD 095 SW QD 085 NW QD R034 165 NE QD 170 SE QD 160 SW QD 140 NW QD T096 227S 1070E 090 R064 060 NE QD 065 SE QD 060 SW QD 050 NW QD R050 095 NE QD 100 SE QD 090 SW QD 080 NW QD R034 165 NE QD 170 SE QD 175 SW QD 135 NW QD T120 271S 1089E 050 R050 020 NE QD 060 SE QD 075 SW QD 040 NW QD R034 105 NE QD 210 SE QD 175 SW QD 140 NW QD AMP 120HR BECOMING EXTRATROPICAL SUBJ: TROPICAL CYCLONE WARNING 1. TROPICAL CYCLONE 15S (MARCUS) WARNING NR 015 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 190600Z --- NEAR 15.5S 122.6E MOVEMENT PAST SIX HOURS - 250 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 015 NM POSITION BASED ON EYE FIXED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT REPEAT POSIT: 15.5S 122.6E --- FORECASTS: 12 HRS, VALID AT: 191800Z --- 15.6S 120.3E 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 040 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT 145 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 270 DEG/ 13 KTS --- 24 HRS, VALID AT: 200600Z --- 15.5S 117.6E MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT 155 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 270 DEG/ 14 KTS --- 36 HRS, VALID AT: 201800Z --- 15.5S 114.7E 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 040 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 110 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 265 DEG/ 14 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 210600Z --- 15.8S 111.9E MAX SUSTAINED WINDS - 130 KT, GUSTS 160 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 240 DEG/ 11 KTS --- 72 HRS, VALID AT: 220600Z --- 18.0S 107.9E MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 070 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 100 NM NORTHEAST QUADRANT 105 NM SOUTHEAST QUADRANT 095 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT 170 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 190 DEG/ 12 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 230600Z --- 22.7S 107.0E MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT 065 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 080 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT 170 NM SOUTHEAST QUADRANT 175 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT VECTOR TO 120 HR POSIT: 160 DEG/ 12 KTS --- 120 HRS, VALID AT: 240600Z --- 27.1S 108.9E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT 210 NM SOUTHEAST QUADRANT 175 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT --- REMARKS: 190900Z POSITION NEAR 15.5S 122.0E. TROPICAL CYCLONE (TC) 15S (MARCUS), LOCATED APPROXIMATELY 146 NM NORTH OF BROOME, AUSTRALIA, HAS TRACKED WEST-SOUTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 190600Z IS 26 FEET. NEXT WARNINGS AT 191500Z, 192100Z, 200300Z AND 200900Z. 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 75 1518031906 155S1226E 75 1518031906 155S1226E 75