WTPS52 PGTW 140900 WARNING ATCG MIL 18P SWP 150314073747 2015031406 18P NATHAN 008 02 090 05 SATL 060 T000 131S 1461E 045 R034 075 NE QD 065 SE QD 070 SW QD 070 NW QD T012 129S 1473E 060 R050 030 NE QD 030 SE QD 030 SW QD 030 NW QD R034 065 NE QD 065 SE QD 070 SW QD 070 NW QD T024 129S 1485E 075 R064 015 NE QD 015 SE QD 015 SW QD 015 NW QD R050 035 NE QD 035 SE QD 035 SW QD 035 NW QD R034 070 NE QD 070 SE QD 075 SW QD 075 NW QD T036 131S 1494E 085 R064 020 NE QD 020 SE QD 020 SW QD 020 NW QD R050 040 NE QD 040 SE QD 040 SW QD 040 NW QD R034 080 NE QD 080 SE QD 085 SW QD 085 NW QD T048 135S 1499E 085 R064 025 NE QD 025 SE QD 025 SW QD 025 NW QD R050 040 NE QD 040 SE QD 040 SW QD 045 NW QD R034 090 NE QD 085 SE QD 095 SW QD 095 NW QD T072 140S 1507E 085 R064 035 NE QD 035 SE QD 035 SW QD 035 NW QD R050 050 NE QD 050 SE QD 055 SW QD 055 NW QD R034 085 NE QD 085 SE QD 095 SW QD 095 NW QD T096 156S 1522E 070 T120 164S 1514E 055 AMP SUBJ: TROPICAL CYCLONE 18P (NATHAN) WARNING NR 008 1. TROPICAL CYCLONE 18P (NATHAN) WARNING NR 008 02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 140600Z --- NEAR 13.1S 146.1E MOVEMENT PAST SIX HOURS - 090 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT REPEAT POSIT: 13.1S 146.1E --- FORECASTS: 12 HRS, VALID AT: 141800Z --- 12.9S 147.3E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 090 DEG/ 06 KTS --- 24 HRS, VALID AT: 150600Z --- 12.9S 148.5E MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT 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 - 070 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 105 DEG/ 04 KTS --- 36 HRS, VALID AT: 151800Z --- 13.1S 149.4E MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT 020 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 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 130 DEG/ 03 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 160600Z --- 13.5S 149.9E MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT 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 095 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 125 DEG/ 02 KTS --- 72 HRS, VALID AT: 170600Z --- 14.0S 150.7E MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 095 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 140 DEG/ 05 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 180600Z --- 15.6S 152.2E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 120 HR POSIT: 225 DEG/ 03 KTS --- 120 HRS, VALID AT: 190600Z --- 16.4S 151.4E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY --- REMARKS: 140900Z POSITION NEAR 13.0S 146.4E. TROPICAL CYCLONE 18P (NATHAN), LOCATED APPROXIMATELY 229 NM NORTH OF CAIRNS, AUSTRALIA, HAS TRACKED EASTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 140600Z IS 20 FEET. NEXT WARNINGS AT 142100Z AND 150900Z. 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 131S1461E 45 NNNN