WTXS52 PGTW 212100 RRA WARNING ATCG MIL 15S SIO 180321194305 2018032118 15S MARCUS 025 01 245 12 SATL 020 T000 155S 1084E 140 R064 035 NE QD 045 SE QD 045 SW QD 030 NW QD R050 070 NE QD 090 SE QD 085 SW QD 055 NW QD R034 125 NE QD 155 SE QD 150 SW QD 105 NW QD T012 167S 1067E 135 R064 070 NE QD 075 SE QD 065 SW QD 065 NW QD R050 105 NE QD 115 SE QD 110 SW QD 095 NW QD R034 190 NE QD 190 SE QD 175 SW QD 165 NW QD T024 186S 1058E 125 R064 075 NE QD 085 SE QD 070 SW QD 070 NW QD R050 120 NE QD 125 SE QD 105 SW QD 095 NW QD R034 200 NE QD 195 SE QD 170 SW QD 170 NW QD T036 209S 1056E 115 R064 080 NE QD 085 SE QD 075 SW QD 065 NW QD R050 115 NE QD 115 SE QD 105 SW QD 090 NW QD R034 195 NE QD 190 SE QD 180 SW QD 160 NW QD T048 236S 1062E 090 R064 060 NE QD 065 SE QD 055 SW QD 035 NW QD R050 095 NE QD 090 SE QD 095 SW QD 070 NW QD R034 170 NE QD 205 SE QD 220 SW QD 150 NW QD T072 279S 1079E 045 R034 055 NE QD 205 SE QD 160 SW QD 080 NW QD T096 316S 1113E 030 AMP 048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 15S (MARCUS) WARNING NR 025 1. TROPICAL CYCLONE 15S (MARCUS) WARNING NR 025 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 211800Z --- NEAR 15.5S 108.4E MOVEMENT PAST SIX HOURS - 245 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON EYE FIXED BY SATELLITE