WTPN31 PGTW 132100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 006// RMKS/ 1. TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 006 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 131800Z --- NEAR 16.7N 155.1E MOVEMENT PAST SIX HOURS - 045 DEGREES AT 15 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 16.7N 155.1E --- FORECASTS: 12 HRS, VALID AT: 140600Z --- 20.9N 156.1E 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 24 HR POSIT: 355 DEG/ 22 KTS --- 24 HRS, VALID AT: 141800Z --- 25.3N 155.7E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 132100Z POSITION NEAR 17.7N 155.4E. 13OCT22. TROPICAL DEPRESSION 21W (TWENTYONE), LOCATED APPROXIMATELY 544 NM EAST OF SAIPAN, HAS TRACKED NORTHEASTWARD AT 15 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 131800Z IS 11 FEET. NEXT WARNINGS AT 140300Z, 140900Z AND 141500Z.// NNNN