WTIO51 PGTW 082100 RRA 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