WTPN31 PGTW 242100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 002// RMKS/ 1. TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 002 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 241800Z --- NEAR 28.1N 135.2E MOVEMENT PAST SIX HOURS - 025 DEGREES AT 02 KTS POSITION ACCURATE TO WITHIN 015 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 28.1N 135.2E --- FORECASTS: 12 HRS, VALID AT: 250600Z --- 28.4N 134.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 305 DEG/ 03 KTS --- 24 HRS, VALID AT: 251800Z --- 28.8N 134.3E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 36 HR POSIT: 325 DEG/ 02 KTS --- 36 HRS, VALID AT: 260600Z --- 29.2N 134.0E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 020 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 261800Z --- 30.2N 134.4E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 72 HR POSIT: 040 DEG/ 12 KTS --- 72 HRS, VALID AT: 271800Z --- 33.7N 138.2E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL VECTOR TO 96 HR POSIT: 050 DEG/ 13 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 281800Z --- 36.7N 143.2E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 242100Z POSITION NEAR 28.2N 135.1E. 24SEP24. TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED APPROXIMATELY 489 NM SOUTH-SOUTHWEST OF YOKOSUKA, JAPAN, HAS TRACKED NORTH- NORTHEASTWARD AT 02 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 241800Z IS 1003 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 241800Z IS 11 FEET. NEXT WARNINGS AT 250300Z, 250900Z, 251500Z AND 252100Z.// NNNN