WTPS52 PGTW 252100 WARNING ATCG MIL 17P SWP 180325194755 2018032518 17P IRIS 005 02 190 05 SATL 035 T000 160S 1584E 035 R034 090 NE QD 080 SE QD 040 SW QD 060 NW QD T012 174S 1582E 040 R034 115 NE QD 145 SE QD 035 SW QD 045 NW QD T024 189S 1583E 040 R034 110 NE QD 125 SE QD 035 SW QD 045 NW QD T036 207S 1588E 045 R034 140 NE QD 115 SE QD 100 SW QD 065 NW QD T048 218S 1588E 040 R034 175 NE QD 120 SE QD 185 SW QD 095 NW QD T072 220S 1579E 030 AMP 048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 072HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 17P (IRIS) WARNING NR 005 1. TROPICAL CYCLONE 17P (IRIS) WARNING NR 005 02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 251800Z --- NEAR 16.0S 158.4E MOVEMENT PAST SIX HOURS - 190 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 035 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 - 090 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT REPEAT POSIT: 16.0S 158.4E --- FORECASTS: 12 HRS, VALID AT: 260600Z --- 17.4S 158.2E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT 145 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 175 DEG/ 08 KTS --- 24 HRS, VALID AT: 261800Z --- 18.9S 158.3E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 165 DEG/ 09 KTS --- 36 HRS, VALID AT: 270600Z --- 20.7S 158.8E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 180 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 271800Z --- 21.8S 158.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 175 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 185 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 255 DEG/ 02 KTS --- 72 HRS, VALID AT: 281800Z --- 22.0S 157.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 252100Z POSITION NEAR 16.3S 158.4E. TROPICAL CYCLONE 17P (IRIS), LOCATED APPROXIMATELY 570 NM NORTHWEST OF NOUMEA, NEW CALEDONI, HAS TRACKED SOUTHWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 251800Z IS 14 FEET. NEXT WARNINGS AT 260300Z, 260900Z, 261500Z AND 262100Z. FOR SIX-HOURLY UPDATES. // 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 160S1584E 35