MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL DEPRESSION 31W (YUTU) WARNING NR 046 DOWNGRADED FROM TROPICAL STORM 31W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 011800Z --- NEAR 21.0N 115.9E MOVEMENT PAST SIX HOURS - 325 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 030 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: 21.0N 115.9E --- FORECASTS: 12 HRS, VALID AT: 020600Z --- 21.4N 115.5E 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: 315 DEG/ 02 KTS --- 24 HRS, VALID AT: 021800Z --- 21.7N 115.2E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 012100Z POSITION NEAR 21.1N 115.8E. TROPICAL DEPRESSION 31W (YUTU), LOCATED APPROXIMATELY 123 NM SOUTHEAST OF HONG KONG, HAS TRACKED NORTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 011800Z IS 8 FEET. NEXT WARNINGS AT 020300Z, 020900Z AND 021500Z.// NNNN NNNN