WTPS51 PGTW 082100 WARNING ATCG MIL 18P SWP 170508193341 2017050818 18P DONNA 021 01 150 08 SATL 040 T000 187S 1661E 100 R064 065 NE QD 070 SE QD 040 SW QD 035 NW QD R050 100 NE QD 115 SE QD 085 SW QD 065 NW QD R034 130 NE QD 175 SE QD 150 SW QD 105 NW QD T012 200S 1669E 090 R064 030 NE QD 025 SE QD 025 SW QD 010 NW QD R050 070 NE QD 070 SE QD 045 SW QD 035 NW QD R034 145 NE QD 155 SE QD 125 SW QD 090 NW QD T024 216S 1680E 070 R064 010 NE QD 020 SE QD 025 SW QD 005 NW QD R050 025 NE QD 030 SE QD 030 SW QD 015 NW QD R034 140 NE QD 145 SE QD 090 SW QD 065 NW QD T036 236S 1697E 045 R034 135 NE QD 145 SE QD 065 SW QD 040 NW QD T048 257S 1716E 035 R034 110 NE QD 110 SE QD 050 SW QD 025 NW QD T072 303S 1758E 030 AMP 048HR BECOMING EXTRATROPICAL 072HR EXTRATROPICAL SUBJ: TROPICAL CYCLONE 18P (DONNA) WARNING NR 021 1. TROPICAL CYCLONE 18P (DONNA) WARNING NR 021 01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 081800Z --- NEAR 18.7S 166.1E MOVEMENT PAST SIX HOURS - 150 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 065 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 100 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 175 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT REPEAT POSIT: 18.7S 166.1E --- FORECASTS: 12 HRS, VALID AT: 090600Z --- 20.0S 166.9E MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 155 NM SOUTHEAST QUADRANT 125 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 145 DEG/ 10 KTS --- 24 HRS, VALID AT: 091800Z --- 21.6S 168.0E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 010 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 005 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT 145 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 140 DEG/ 13 KTS --- 36 HRS, VALID AT: 100600Z --- 23.6S 169.7E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT 145 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 140 DEG/ 14 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 101800Z --- 25.7S 171.6E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 140 DEG/ 15 KTS --- 72 HRS, VALID AT: 111800Z --- 30.3S 175.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 082100Z POSITION NEAR 19.0S 166.3E. TROPICAL CYCLONE 18P (DONNA), LOCATED APPROXIMATELY 139 NM WEST- SOUTHWEST OF PORT VILA, VANUATU, HAS TRACKED SOUTH-SOUTHEASTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 081800Z IS 30 FEET. NEXT WARNINGS AT 090300Z, 090900Z, 091500Z AND 092100Z. // 1817042906 105S1604E 15 1817042912 108S1612E 15 1817042918 110S1620E 15 1817043000 112S1629E 15 1817043006 113S1637E 15 1817043012 116S1644E 15 1817043018 118S1654E 15 1817050100 119S1676E 15 1817050106 121S1692E 20 1817050112 126S1696E 25 1817050118 127S1702E 30 1817050200 128S1707E 30 1817050206 129S1707E 30 1817050212 130S1712E 30 1817050218 130S1714E 40 1817050300 128S1717E 50 1817050306 127S1712E 55 1817050306 127S1712E 55 1817050312 128S1705E 55 1817050312 128S1705E 55 1817050318 128S1696E 65 1817050318 128S1696E 65 1817050318 128S1696E 65 1817050400 125S1686E 75 1817050400 125S1686E 75 1817050400 125S1686E 75 1817050406 125S1681E 80 1817050406 125S1681E 80 1817050406 125S1681E 80 1817050412 126S1676E 85 1817050412 126S1676E 85 1817050412 126S1676E 85 1817050418 129S1668E 85 1817050418 129S1668E 85 1817050418 129S1668E 85 1817050500 130S1662E 85 1817050500 130S1662E 85 1817050500 130S1662E 85 1817050506 134S1656E 90 1817050506 134S1656E 90 1817050506 134S1656E 90 1817050512 137S1649E 90 1817050512 137S1649E 90 1817050512 137S1649E 90 1817050515 135S1646E 90 1817050515 135S1646E 90 1817050515 135S1646E 90 1817050518 133S1645E 90 1817050518 133S1645E 90 1817050518 133S1645E 90 1817050600 132S1643E 85 1817050600 132S1643E 85 1817050600 132S1643E 85 1817050606 133S1642E 85 1817050606 133S1642E 85 1817050606 133S1642E 85 1817050612 132S1641E 90 1817050612 132S1641E 90 1817050612 132S1641E 90 1817050618 134S1641E 90 1817050618 134S1641E 90 1817050618 134S1641E 90 1817050700 139S1642E 85 1817050700 139S1642E 85 1817050700 139S1642E 85 1817050706 146S1646E 90 1817050706 146S1646E 90 1817050706 146S1646E 90 1817050712 155S1648E 100 1817050712 155S1648E 100 1817050712 155S1648E 100 1817050718 165S1648E 115 1817050718 165S1648E 115 1817050718 165S1648E 115 1817050800 169S1648E 115 1817050800 169S1648E 115 1817050800 169S1648E 115 1817050806 175S1651E 115 1817050806 175S1651E 115 1817050806 175S1651E 115 1817050812 180S1657E 105 1817050812 180S1657E 105 1817050812 180S1657E 105 1817050818 187S1661E 100 1817050818 187S1661E 100 1817050818 187S1661E 100