WTPN31 PGTW 120900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 18W (CONSON) WARNING NR 026// RMKS/ 1. TROPICAL DEPRESSION 18W (CONSON) WARNING NR 026 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 120600Z --- NEAR 15.3N 109.2E MOVEMENT PAST SIX HOURS - 090 DEGREES AT 01 KTS POSITION ACCURATE TO WITHIN 020 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: 15.3N 109.2E --- FORECASTS: 12 HRS, VALID AT: 121800Z --- 15.6N 108.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 305 DEG/ 04 KTS --- 24 HRS, VALID AT: 130600Z --- 16.0N 108.3E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 36 HR POSIT: 290 DEG/ 05 KTS --- 36 HRS, VALID AT: 131800Z --- 16.3N 107.4E 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: 290 DEG/ 06 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 140600Z --- 16.7N 106.2E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 120900Z POSITION NEAR 15.4N 109.1E. 12SEP21. TROPICAL DEPRESSION 18W (CONSON), LOCATED APPROXIMATELY 67 NM SOUTHEAST OF DA NANG, VIETNAM, HAS TRACKED EASTWARD AT 01 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 120600Z IS 15 FEET. NEXT WARNINGS AT 121500Z, 122100Z, 130300Z AND 130900Z. REFER TO TYPHOON 19W (CHANTHU) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. // NNNN