####018003240#### WTPN51 PGTW 202100 WARNING ATCG MIL 16W NWP 231020192009 2023102018 16W SANBA 014 01 235 07 SATL SYNP 045 T000 199N 1087E 025 T012 188N 1079E 020 T024 176N 1077E 015 AMP 000HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 012HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 024HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL DEPRESSION 16W (SANBA) WARNING NR 014 1. TROPICAL DEPRESSION 16W (SANBA) WARNING NR 014 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 201800Z --- NEAR 19.9N 108.7E MOVEMENT PAST SIX HOURS - 235 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 19.9N 108.7E --- FORECASTS: 12 HRS, VALID AT: 210600Z --- 18.8N 107.9E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 24 HR POSIT: 190 DEG/ 06 KTS --- 24 HRS, VALID AT: 211800Z --- 17.6N 107.7E MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 202100Z POSITION NEAR 19.6N 108.5E. 20OCT23. TROPICAL DEPRESSION (TD) 16W (SANBA), LOCATED APPROXIMATELY 235 NM NORTH OF DA NANG, VIETNAM, HAS TRACKED SOUTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED (EIR) SATELLITE IMAGERY AND A 201810Z ATMS 88.2 GHZ MICROWAVE IMAGE DEPICT A WEAKLY DEFINED LOW-LEVEL CIRCULATION EMBEDDED WITHIN A STRATOCUMULUS CLOUD FIELD WITH NO SIGNIFICANT DEEP CONVECTION. SURFACE OBSERVATIONS FROM HAINAN ISLAND INDICATE LIGHT WINDS LESS THAN 10 KNOTS AND SLP VALUES NEAR 1014 MB. SURFACE OBSERVATIONS FROM BACH LONG VI (48839), APPROXIMATELY 50 NM WEST, SHOW NORTHEASTERLY WINDS AT 17 KNOTS WITH SLP NEAR 1015 MB. NUMERICAL MODEL GUIDANCE INDICATES A GENERALLY SOUTHWARD TRACK OVER THE NEXT 24 HOURS WITH STEADY WEAKENING AND DISSIPATION. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MINIMUM CENTRAL PRESSURE AT 201800Z IS 1008 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 11 FEET.// 1623101600 150N1104E 15 1623101606 149N1107E 20 1623101612 150N1110E 20 1623101618 152N1108E 20 1623101700 154N1106E 20 1623101706 156N1104E 25 1623101712 159N1102E 30 1623101718 164N1100E 30 1623101800 171N1096E 30 1623101806 178N1088E 35 1623101812 184N1084E 35 1623101818 189N1082E 35 1623101900 195N1082E 35 1623101906 203N1087E 35 1623101912 210N1092E 40 1623101918 214N1093E 40 1623102000 212N1097E 35 1623102006 208N1098E 30 1623102012 203N1093E 30 1623102018 199N1087E 25 NNNN