WTIO51 PGTW 152100 WARNING ATCG MIL 08B NIO 181215200904 2018121518 08B PHETHAI 003 01 315 04 SATL 060 T000 107N 0848E 040 R034 110 NE QD 070 SE QD 130 SW QD 195 NW QD T012 121N 0838E 045 R034 180 NE QD 060 SE QD 080 SW QD 150 NW QD T024 137N 0829E 045 R034 190 NE QD 060 SE QD 060 SW QD 090 NW QD T036 154N 0825E 035 R034 090 NE QD 030 SE QD 020 SW QD 020 NW QD T048 171N 0827E 035 R034 050 NE QD 050 SE QD 015 SW QD 025 NW QD T072 195N 0835E 020 AMP 048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 072HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL CYCLONE 08B (PHETHAI) WARNING NR 003 1. TROPICAL CYCLONE 08B (PHETHAI) WARNING NR 003 01 ACTIVE TROPICAL CYCLONE IN NORTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 151800Z --- NEAR 10.7N 84.8E MOVEMENT PAST SIX HOURS - 315 DEGREES AT 04 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 195 NM NORTHWEST QUADRANT REPEAT POSIT: 10.7N 84.8E --- FORECASTS: 12 HRS, VALID AT: 160600Z --- 12.1N 83.8E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 150 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 330 DEG/ 09 KTS --- 24 HRS, VALID AT: 161800Z --- 13.7N 82.9E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 345 DEG/ 09 KTS --- 36 HRS, VALID AT: 170600Z --- 15.4N 82.5E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 005 DEG/ 09 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 171800Z --- 17.1N 82.7E 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 - 050 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 015 DEG/ 06 KTS --- 72 HRS, VALID AT: 181800Z --- 19.5N 83.5E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 152100Z POSITION NEAR 11.1N 84.5E. TROPICAL CYCLONE 08B (PHETHAI), LOCATED APPROXIMATELY 743 NM SOUTH-SOUTHWEST OF CALCUTTA, INDIA, HAS TRACKED NORTHWESTWARD AT 04 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 151800Z IS 16 FEET. NEXT WARNINGS AT 160300Z, 160900Z, 161500Z AND 162100Z. // 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 104N 851E 35 0818121518 107N 848E 40 NNNN