WTIO51 PGTW 082100 WARNING ATCG MIL 04B NIO 171208194645 2017120818 04B FOUR 001 01 005 15 SATL 060 T000 183N 0868E 040 R034 020 NE QD 020 SE QD 050 SW QD 065 NW QD T012 198N 0871E 040 R034 015 NE QD 015 SE QD 025 SW QD 040 NW QD T024 212N 0877E 035 R034 010 NE QD 010 SE QD 015 SW QD 020 NW QD T036 226N 0889E 030 AMP 024HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 036HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL CYCLONE 04B (FOUR) WARNING NR 001 1. TROPICAL CYCLONE 04B (FOUR) WARNING NR 001 01 ACTIVE TROPICAL CYCLONE IN NORTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 081800Z --- NEAR 18.3N 86.8E MOVEMENT PAST SIX HOURS - 005 DEGREES AT 15 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 - 020 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT REPEAT POSIT: 18.3N 86.8E --- FORECASTS: 12 HRS, VALID AT: 090600Z --- 19.8N 87.1E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 015 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 020 DEG/ 08 KTS --- 24 HRS, VALID AT: 091800Z --- 21.2N 87.7E 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 - 010 NM NORTHEAST QUADRANT 010 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 040 DEG/ 09 KTS --- 36 HRS, VALID AT: 100600Z --- 22.6N 88.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 082100Z POSITION NEAR 18.7N 86.9E. TROPICAL CYCLONE 04B (FOUR), LOCATED APPROXIMATELY 370 NM SOUTHWEST OF CHITTAGONG, HAS TRACKED NORTHWARD AT 15 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 081800Z IS 15 FEET. NEXT WARNINGS AT 090300Z, 090900Z, 091500Z AND 092100Z.// 0417120506 63N 905E 25 0417120512 67N 902E 25 0417120518 75N 897E 25 0417120600 86N 896E 25 0417120606 93N 892E 25 0417120612 101N 890E 25 0417120618 108N 885E 30 0417120700 115N 883E 30 0417120706 122N 881E 30 0417120712 130N 879E 30 0417120718 138N 876E 30 0417120800 145N 871E 30 0417120806 156N 868E 30 0417120812 168N 867E 30 0417120818 183N 868E 40 NNNN