WTPS52 PGTW 150900 WARNING ATCG MIL 18P SWP 150315074255 2015031506 18P NATHAN 010 02 100 05 SATL 060 T000 135S 1490E 040 R034 075 NE QD 065 SE QD 065 SW QD 075 NW QD T012 138S 1497E 050 R034 075 NE QD 065 SE QD 065 SW QD 075 NW QD T024 143S 1502E 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 149S 1505E 070 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 156S 1508E 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 166S 1510E 055 R034 075 NE QD 065 SE QD 065 SW QD 075 NW QD T096 171S 1507E 045 T120 169S 1498E 030 AMP 096HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 120HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 18P (NATHAN) WARNING NR 010 1. TROPICAL CYCLONE 18P (NATHAN) WARNING NR 010 02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 150600Z --- NEAR 13.5S 149.0E MOVEMENT PAST SIX HOURS - 100 DEGREES AT 05 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: 13.5S 149.0E --- FORECASTS: 12 HRS, VALID AT: 151800Z --- 13.8S 149.7E 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: 135 DEG/ 03 KTS --- 24 HRS, VALID AT: 160600Z --- 14.3S 150.2E 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: 155 DEG/ 03 KTS --- 36 HRS, VALID AT: 161800Z --- 14.9S 150.5E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 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: 160 DEG/ 04 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 170600Z --- 15.6S 150.8E 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: 170 DEG/ 03 KTS --- 72 HRS, VALID AT: 180600Z --- 16.6S 151.0E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 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: 210 DEG/ 01 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 190600Z --- 17.1S 150.7E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 120 HR POSIT: 285 DEG/ 02 KTS --- 120 HRS, VALID AT: 200600Z --- 16.9S 149.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 150900Z POSITION NEAR 13.6S 149.2E. TROPICAL CYCLONE 18P (NATHAN), LOCATED APPROXIMATELY 276 NM NORTHEAST OF CAIRNS, AUSTRALIA, HAS TRACKED EASTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 150600Z IS 22 FEET. NEXT WARNINGS AT 152100Z AND 160900Z. FOR SIX-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 132S1477E 40 1815031500 134S1485E 45 1815031506 135S1490E 40 NNNN