WTXS51 PGTW 222100 WARNING ATCG MIL 18P SWP 150322203819 2015032218 18P NATHAN 025 01 305 07 SATL 060 T000 115S 1349E 065 R050 015 NE QD 015 SE QD 015 SW QD 015 NW QD R034 055 NE QD 055 SE QD 065 SW QD 065 NW QD T012 112S 1340E 065 R050 015 NE QD 015 SE QD 015 SW QD 015 NW QD R034 055 NE QD 055 SE QD 065 SW QD 065 NW QD T024 113S 1331E 060 R050 010 NE QD 010 SE QD 010 SW QD 010 NW QD R034 055 NE QD 055 SE QD 065 SW QD 065 NW QD T036 117S 1326E 055 T048 123S 1319E 045 T072 130S 1303E 035 T096 132S 1280E 035 T120 136S 1240E 035 AMP SUBJ: TROPICAL CYCLONE 18P (NATHAN) WARNING NR 025 1. TROPICAL CYCLONE 18P (NATHAN) WARNING NR 025 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 221800Z --- NEAR 11.5S 134.9E MOVEMENT PAST SIX HOURS - 305 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 015 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT REPEAT POSIT: 11.5S 134.9E --- FORECASTS: 12 HRS, VALID AT: 230600Z --- 11.2S 134.0E MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 015 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 265 DEG/ 04 KTS --- 24 HRS, VALID AT: 231800Z --- 11.3S 133.1E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 010 NM NORTHEAST QUADRANT 010 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 230 DEG/ 03 KTS --- 36 HRS, VALID AT: 240600Z --- 11.7S 132.6E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 230 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 241800Z --- 12.3S 131.9E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 72 HR POSIT: 245 DEG/ 04 KTS --- 72 HRS, VALID AT: 251800Z --- 13.0S 130.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 96 HR POSIT: 265 DEG/ 06 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 261800Z --- 13.2S 128.0E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 120 HR POSIT: 265 DEG/ 10 KTS --- 120 HRS, VALID AT: 271800Z --- 13.6S 124.0E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY --- REMARKS: 222100Z POSITION NEAR 11.4S 134.7E. TROPICAL CYCLONE 18P (NATHAN), LOCATED APPROXIMATELY 242 NM EAST- NORTHEAST OF DARWIN, AUSTRALIA, HAS TRACKED NORTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 221800Z IS 10 FEET. NEXT WARNINGS AT 230900Z AND 232100Z.// 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 135S1491E 40 1815031512 136S1495E 45 1815031518 137S1498E 50 1815031600 139S1499E 55 1815031600 139S1499E 55 1815031606 141S1499E 55 1815031606 141S1499E 55 1815031612 143S1499E 55 1815031612 143S1499E 55 1815031618 145S1499E 40 1815031700 146S1498E 45 1815031706 147S1497E 45 1815031712 148S1496E 40 1815031718 148S1495E 45 1815031800 148S1493E 50 1815031806 148S1491E 65 1815031806 148S1491E 65 1815031812 148S1488E 75 1815031812 148S1488E 75 1815031812 148S1488E 75 1815031818 147S1482E 80 1815031818 147S1482E 80 1815031818 147S1482E 80 1815031900 147S1475E 85 1815031900 147S1475E 85 1815031900 147S1475E 85 1815031906 147S1469E 90 1815031906 147S1469E 90 1815031906 147S1469E 90 1815031912 147S1462E 90 1815031912 147S1462E 90 1815031912 147S1462E 90 1815031918 147S1450E 90 1815031918 147S1450E 90 1815031918 147S1450E 90 1815032000 146S1441E 75 1815032000 146S1441E 75 1815032000 146S1441E 75 1815032006 145S1432E 50 1815032006 145S1432E 50 1815032012 143S1423E 45 1815032018 140S1415E 40 1815032100 137S1403E 40 1815032106 135S1393E 40 1815032112 132S1384E 50 1815032118 130S1376E 55 1815032118 130S1376E 55 1815032200 126S1367E 65 1815032206 122S1359E 60 1815032212 119S1355E 65 1815032218 115S1349E 65 1815032218 115S1349E 65