WTPN31 PGTW 310900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 06W (SONGDA) WARNING NR 010// RMKS/ 1. TROPICAL DEPRESSION 06W (SONGDA) WARNING NR 010 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 310600Z --- NEAR 33.9N 123.2E MOVEMENT PAST SIX HOURS - 025 DEGREES AT 04 KTS POSITION ACCURATE TO WITHIN 015 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 33.9N 123.2E --- FORECASTS: 12 HRS, VALID AT: 311800Z --- 34.7N 123.4E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 025 DEG/ 04 KTS --- 24 HRS, VALID AT: 010600Z --- 35.4N 123.8E 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: 025 DEG/ 05 KTS --- 36 HRS, VALID AT: 011800Z --- 36.3N 124.3E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 310900Z POSITION NEAR 34.1N 123.3E. 31JUL22. TROPICAL DEPRESSION 06W (SONGDA), LOCATED APPROXIMATELY 206 NM SOUTHWEST OF KUNSAN AB, S. KOREA, HAS TRACKED NORTH-NORTHEASTWARD AT 04 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 310600Z IS 10 FEET. NEXT WARNINGS AT 311500Z, 312100Z, 010300Z AND 010900Z.// NNNN