WTIO51 PGTW 170300 WARNING ATCG MIL 08B NIO 181217012744 2018121700 08B PHETHAI 008 01 350 09 SATL 025 T000 153N 0824E 045 R034 125 NE QD 100 SE QD 060 SW QD 100 NW QD T012 169N 0823E 035 R034 070 NE QD 020 SE QD 030 SW QD 020 NW QD T024 181N 0827E 025 AMP 012HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 024HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL CYCLONE WARNING 1. TROPICAL CYCLONE 08B (PHETHAI) WARNING NR 008 01 ACTIVE TROPICAL CYCLONE IN NORTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 170000Z --- NEAR 15.3N 82.4E MOVEMENT PAST SIX HOURS - 350 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 025 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 - 125 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 15.3N 82.4E --- FORECASTS: 12 HRS, VALID AT: 171200Z --- 16.9N 82.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 020 DEG/ 06 KTS --- 24 HRS, VALID AT: 180000Z --- 18.1N 82.7E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 170300Z POSITION NEAR 15.7N 82.4E. TROPICAL CYCLONE 08B (PHETHAI), LOCATED APPROXIMATELY 130 NM SOUTHWEST OF VISAKHAPATNAM, INDIA, HAS TRACKED NORTHWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 170000Z IS 19 FEET. NEXT WARNINGS AT 170900Z, 171500Z AND 172100Z. // 0818121118 40N 892E 20 0818121200 44N 896E 20 0818121206 52N 898E 25 0818121212 60N 895E 25 0818121218 67N 891E 25 0818121300 70N 889E 25 0818121306 72N 887E 30 0818121312 74N 884E 30 0818121318 75N 881E 30 0818121400 76N 878E 30 0818121406 79N 875E 30 0818121412 81N 869E 30 0818121418 84N 863E 30 0818121500 89N 858E 30 0818121506 97N 854E 35 0818121512 103N 849E 35 0818121518 107N 845E 40 0818121600 111N 844E 45 0818121606 123N 840E 50 0818121606 123N 840E 50 0818121612 134N 831E 55 0818121612 134N 831E 55 0818121618 144N 826E 55 0818121618 144N 826E 55 0818121700 153N 824E 45 NNNN