WTPN31 PGTW 120300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 18W (CONSON) WARNING NR 025// RMKS/ 1. TROPICAL DEPRESSION 18W (CONSON) WARNING NR 025 DOWNGRADED FROM TROPICAL STORM 18W 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 120000Z --- NEAR 15.4N 109.1E MOVEMENT PAST SIX HOURS - 360 DEGREES AT 02 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 15.4N 109.1E --- FORECASTS: 12 HRS, VALID AT: 121200Z --- 15.7N 108.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 300 DEG/ 03 KTS --- 24 HRS, VALID AT: 130000Z --- 16.0N 108.4E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 36 HR POSIT: 290 DEG/ 04 KTS --- 36 HRS, VALID AT: 131200Z --- 16.3N 107.6E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 48 HR POSIT: 285 DEG/ 04 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 140000Z --- 16.5N 106.7E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 120300Z POSITION NEAR 15.5N 109.1E. 12SEP21. TROPICAL DEPRESSION 18W (CONSON), LOCATED APPROXIMATELY 59 NM SOUTHEAST OF DA NANG, VIETNAM, HAS TRACKED NORTHWARD AT 02 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 120000Z IS 15 FEET. NEXT WARNINGS AT 120900Z, 121500Z, 122100Z AND 130300Z. REFER TO TYPHOON 19W (CHANTHU) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN