WTPN31 PGTW 311500 RTD MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// REF/A/NAVPACMETOCCEN PEARL HARBOR HI/310451ZMAY2003// AMPN/TROPICAL CYCLONE FORMATION ALERT// RMKS/ 1. TROPICAL DEPRESSION 06W WARNING NR 001 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 311200Z7 --- NEAR 17.8N6 117.2E1 MOVEMENT PAST SIX HOURS - 330 DEGREES AT 04 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT REPEAT POSIT: 17.8N6 117.2E1 --- FORECASTS: 12 HRS, VALID AT: 010000Z1 --- 18.5N4 116.8E6 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT VECTOR TO 24 HR POSIT: 360 DEG/ 04 KTS --- 24 HRS, VALID AT: 011200Z4 --- 19.3N3 116.9E7 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 36 HR POSIT: 035 DEG/ 06 KTS --- 36 HRS, VALID AT: 020000Z2 --- 20.2N7 117.6E5 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT OVER WATER 040 NM SOUTHEAST QUADRANT OVER WATER 055 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 040 DEG/ 06 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 021200Z5 --- 21.1N4 118.4E4 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 045 DEG/ 05 KTS --- 72 HRS, VALID AT: 031200Z6 --- 22.7N1 120.0E3 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT --- REMARKS: 311500Z0 POSITION NEAR 18.0N9 117.1E0. TROPICAL DEPRESSION 06W, LOCATED APPROXIMATELY 185 NM WEST OF NORTHERN LUZON, PHILIPPINES, HAS DRIFTED NORTHWESTWARD AT 04 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 311130Z9 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATE OF 25 KNOTS. THE RECENT SATELLITE ANIMATION DEPICTS ORGANIZING CONVECTION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 311200Z7 IS 08 FEET. THIS WARNING SUPERSEDES AND CANCELS REF A, NAVPACMETOCCEN 310451ZMAY2003 TROPICAL CYCLONE FORMATION ALERT (WTPN21 PGTW 310500).REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 312100Z7, 010300Z4, 010900Z0 AND 011500Z7. NNNN