WTPN31 PGTW 050900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 04W (MAYSAK) WARNING NR 038 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 050600Z --- NEAR 16.9N 121.6E MOVEMENT PAST SIX HOURS - 300 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 16.9N 121.6E --- FORECASTS: 12 HRS, VALID AT: 051800Z --- 18.5N 119.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 310 DEG/ 09 KTS --- 24 HRS, VALID AT: 060600Z --- 19.7N 117.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 36 HR POSIT: 300 DEG/ 06 KTS --- 36 HRS, VALID AT: 061800Z --- 20.3N 116.7E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 280 DEG/ 03 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 070600Z --- 20.4N 116.0E 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 72 HR POSIT: 215 DEG/ 03 KTS --- 72 HRS, VALID AT: 080600Z --- 19.5N 115.3E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 050900Z POSITION NEAR 17.3N 121.1E. TROPICAL STORM 04W (MAYSAK), LOCATED APPROXIMATELY 142 NM NORTH- NORTHEAST OF MANILA, PHILIPPINES, HAS TRACKED WEST-NORTHWESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. NEXT WARNINGS AT 051500Z, 052100Z, 060300Z AND 060900Z. REFER TO TROPICAL STORM 05W (HAISHEN) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.//