WTPS52 PGTW 270300 WARNING ATCG MIL 17P SWP 180327012653 2018032700 17P IRIS 010 01 175 09 SATL 045 T000 195S 1582E 035 R034 065 NE QD 070 SE QD 000 SW QD 000 NW QD T012 207S 1585E 035 R034 080 NE QD 085 SE QD 000 SW QD 000 NW QD T024 216S 1589E 035 R034 085 NE QD 105 SE QD 000 SW QD 000 NW QD T036 219S 1587E 030 AMP 024HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 036HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE WARNING 1. TROPICAL CYCLONE 17P (IRIS) WARNING NR 010 01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 270000Z --- NEAR 19.5S 158.2E MOVEMENT PAST SIX HOURS - 175 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 19.5S 158.2E --- FORECASTS: 12 HRS, VALID AT: 271200Z --- 20.7S 158.5E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 160 DEG/ 05 KTS --- 24 HRS, VALID AT: 280000Z --- 21.6S 158.9E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 105 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 210 DEG/ 02 KTS --- 36 HRS, VALID AT: 281200Z --- 21.9S 158.7E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 270300Z POSITION NEAR 19.8S 158.3E. TROPICAL CYCLONE (TC) 17P (IRIS), LOCATED APPROXIMATELY 470 NM WEST- NORTHWEST OF NOUMEA, NEW CALEDONIA, HAS TRACKED SOUTHWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 270000Z IS 15 FEET. NEXT WARNINGS AT 270900Z, 271500Z, 272100Z AND 280300Z.// 1718032112 115S1627E 15 1718032118 117S1631E 20 1718032200 119S1634E 20 1718032206 121S1636E 20 1718032212 123S1637E 25 1718032218 125S1637E 25 1718032300 128S1636E 30 1718032306 131S1633E 30 1718032312 135S1627E 30 1718032318 139S1619E 30 1718032400 140S1605E 30 1718032406 142S1599E 30 1718032412 143S1595E 30 1718032418 144S1592E 35 1718032500 146S1589E 35 1718032506 150S1586E 35 1718032512 155S1585E 35 1718032518 160S1583E 35 1718032600 166S1581E 35 1718032606 173S1580E 35 1718032612 180S1580E 35 1718032618 186S1581E 35 1718032700 195S1582E 35