WTPN33 PGTW 122100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL DEPRESSION 20W (TWENTY) WARNING NR 002 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 121800Z --- NEAR 20.6N 112.5E MOVEMENT PAST SIX HOURS - 135 DEGREES AT 03 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 20.6N 112.5E --- FORECASTS: 12 HRS, VALID AT: 130600Z --- 20.5N 112.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 075 DEG/ 02 KTS --- 24 HRS, VALID AT: 131800Z --- 20.6N 113.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 330 DEG/ 02 KTS --- 36 HRS, VALID AT: 140600Z --- 20.9N 113.1E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 300 DEG/ 03 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 141800Z --- 21.2N 112.5E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 72 HR POSIT: 275 DEG/ 05 KTS --- 72 HRS, VALID AT: 151800Z --- 21.4N 110.2E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 122100Z POSITION NEAR 20.6N 112.6E. TROPICAL DEPRESSION 20W (TWENTY), LOCATED APPROXIMATELY 139 NM SOUTHWEST OF HONG KONG, HAS TRACKED SOUTHEASTWARD AT 03 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 121800Z IS 8 FEET. NEXT WARNINGS AT 130300Z, 130900Z, 131500Z AND 132100Z. REFER TO TYPHOON 19W (LEEPI) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN