WTXS51 PGTW 100300 WARNING ATCG MIL 18S SIO 230410010128 2023041000 18S EIGHTEEN 006 01 250 08 SATL SYNP 025 T000 136S 1234E 050 R050 000 NE QD 030 SE QD 025 SW QD 000 NW QD R034 070 NE QD 105 SE QD 105 SW QD 070 NW QD T012 143S 1220E 055 R050 010 NE QD 020 SE QD 020 SW QD 010 NW QD R034 040 NE QD 080 SE QD 070 SW QD 050 NW QD T024 150S 1209E 070 R064 000 NE QD 000 SE QD 010 SW QD 000 NW QD R050 010 NE QD 010 SE QD 020 SW QD 010 NW QD R034 050 NE QD 090 SE QD 090 SW QD 060 NW QD T036 156S 1203E 085 R064 010 NE QD 010 SE QD 010 SW QD 010 NW QD R050 020 NE QD 030 SE QD 030 SW QD 020 NW QD R034 070 NE QD 090 SE QD 080 SW QD 060 NW QD T048 165S 1197E 105 R064 020 NE QD 030 SE QD 020 SW QD 020 NW QD R050 040 NE QD 040 SE QD 040 SW QD 030 NW QD R034 090 NE QD 080 SE QD 070 SW QD 050 NW QD T072 189S 1194E 125 R064 040 NE QD 030 SE QD 030 SW QD 030 NW QD R050 050 NE QD 050 SE QD 040 SW QD 040 NW QD R034 110 NE QD 100 SE QD 070 SW QD 080 NW QD T096 232S 1237E 055 R050 030 NE QD 020 SE QD 010 SW QD 020 NW QD R034 090 NE QD 040 SE QD 020 SW QD 040 NW QD T120 285S 1344E 030 AMP 096HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 120HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL CYCLONE 18S (EIGHTEEN) WARNING NR 006 1. TROPICAL CYCLONE 18S (EIGHTEEN) WARNING NR 006 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 100000Z --- NEAR 13.6S 123.4E MOVEMENT PAST SIX HOURS - 250 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE 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 030 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 105 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT REPEAT POSIT: 13.6S 123.4E --- FORECASTS: 12 HRS, VALID AT: 101200Z --- 14.3S 122.0E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 010 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 235 DEG/ 06 KTS --- 24 HRS, VALID AT: 110000Z --- 15.0S 120.9E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 000 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 010 NM NORTHEAST QUADRANT 010 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 225 DEG/ 04 KTS --- 36 HRS, VALID AT: 111200Z --- 15.6S 120.3E MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 010 NM NORTHEAST QUADRANT 010 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 215 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 120000Z --- 16.5S 119.7E MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 185 DEG/ 06 KTS --- 72 HRS, VALID AT: 130000Z --- 18.9S 119.4E MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 140 DEG/ 15 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 140000Z --- 23.2S 123.7E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 120 HR POSIT: 120 DEG/ 27 KTS --- 120 HRS, VALID AT: 150000Z --- 28.5S 134.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 100300Z POSITION NEAR 13.8S 123.0E. 10APR23. TROPICAL CYCLONE 18S (EIGHTEEN), LOCATED APPROXIMATELY 267 NM NORTH-NORTHEAST OF BROOME, AUSTRALIA, HAS TRACKED WEST- SOUTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 100000Z IS 20 FEET. NEXT WARNINGS AT 100900Z, 101500Z, 102100Z AND 110300Z.// 1823040600 76S1327E 20 1823040606 81S1323E 20 1823040612 84S1320E 20 1823040618 87S1313E 25 1823040700 88S1307E 25 1823040706 90S1306E 25 1823040712 91S1305E 30 1823040718 94S1301E 30 1823040800 97S1297E 30 1823040806 99S1292E 30 1823040812 105S1287E 30 1823040818 113S1282E 35 1823040900 119S1272E 40 1823040906 123S1261E 45 1823040912 128S1251E 45 1823040918 133S1242E 45 1823041000 136S1234E 50 1823041000 136S1234E 50 NNNN