WTPS52 PGTW 142100 WARNING ATCG MIL 18P SWP 150314205442 2015031418 18P NATHAN 009 02 095 08 SATL 060 T000 133S 1477E 040 R034 075 NE QD 065 SE QD 065 SW QD 075 NW QD T012 133S 1488E 050 R034 075 NE QD 065 SE QD 065 SW QD 075 NW QD T024 135S 1498E 065 R050 035 NE QD 035 SE QD 035 SW QD 035 NW QD R034 075 NE QD 070 SE QD 070 SW QD 075 NW QD T036 139S 1505E 065 R050 040 NE QD 040 SE QD 040 SW QD 040 NW QD R034 085 NE QD 080 SE QD 080 SW QD 085 NW QD T048 144S 1510E 060 R050 040 NE QD 040 SE QD 040 SW QD 045 NW QD R034 090 NE QD 085 SE QD 085 SW QD 090 NW QD T072 153S 1518E 050 R034 075 NE QD 065 SE QD 065 SW QD 075 NW QD T096 159S 1519E 040 T120 161S 1513E 030 AMP 096HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 120HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 18P (NATHAN) WARNING NR 009 1. TROPICAL CYCLONE 18P (NATHAN) WARNING NR 009 02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 141800Z --- NEAR 13.3S 147.7E MOVEMENT PAST SIX HOURS - 095 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT REPEAT POSIT: 13.3S 147.7E --- FORECASTS: 12 HRS, VALID AT: 150600Z --- 13.3S 148.8E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 100 DEG/ 05 KTS --- 24 HRS, VALID AT: 151800Z --- 13.5S 149.8E MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 120 DEG/ 04 KTS --- 36 HRS, VALID AT: 160600Z --- 13.9S 150.5E MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 135 DEG/ 03 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 161800Z --- 14.4S 151.0E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 140 DEG/ 03 KTS --- 72 HRS, VALID AT: 171800Z --- 15.3S 151.8E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 170 DEG/ 02 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 181800Z --- 15.9S 151.9E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 120 HR POSIT: 250 DEG/ 02 KTS --- 120 HRS, VALID AT: 191800Z --- 16.1S 151.3E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 142100Z POSITION NEAR 13.3S 148.0E. TROPICAL CYCLONE (TC) 18P (NATHAN), LOCATED APPROXIMATELY 242 NM NORTH-NORTHEAST OF CAIRNS, AUSTRALIA, HAS TRACKED EASTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 141800Z IS 20 FEET. NEXT WARNINGS AT 150900Z AND 152100Z. FOR TWELVE-HOURLY UPDATES.// 1815030918 123S1505E 25 1815031000 128S1496E 30 1815031006 132S1488E 35 1815031012 134S1481E 40 1815031018 136S1475E 45 1815031100 138S1468E 45 1815031106 139S1464E 45 1815031112 138S1459E 45 1815031118 138S1456E 55 1815031118 138S1456E 55 1815031200 139S1453E 55 1815031200 139S1453E 55 1815031206 138S1451E 55 1815031206 138S1451E 55 1815031212 137S1450E 55 1815031212 137S1450E 55 1815031218 135S1449E 55 1815031218 135S1449E 55 1815031300 133S1448E 55 1815031300 133S1448E 55 1815031306 131S1449E 55 1815031306 131S1449E 55 1815031312 131S1451E 55 1815031312 131S1451E 55 1815031318 131S1453E 50 1815031318 131S1453E 50 1815031400 131S1456E 45 1815031406 131S1462E 45 1815031412 132S1469E 40 1815031418 133S1477E 40 NNNN