WTPN32 PGTW 050900 1. TROPICAL DEPRESSION 23W WARNING NR 001 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 050600Z1 --- NEAR 16.8N5 116.7E5 MOVEMENT PAST SIX HOURS - 270 DEGREES AT 01 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: 16.8N5 116.7E5 --- FORECASTS: 12 HRS, VALID AT: 051800Z4 --- 17.0N8 117.6E5 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT VECTOR TO 24 HR POSIT: 085 DEG/ 04 KTS --- 24 HRS, VALID AT: 060600Z2 --- 17.1N9 118.5E5 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 36 HR POSIT: 080 DEG/ 04 KTS --- 36 HRS, VALID AT: 061800Z5 --- 17.2N0 119.3E4 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT RADIUS OF 035 KT WINDS - 050 NM SOUTH SEMICIRCLE 040 NM ELSEWHERE VECTOR TO 48 HR POSIT: 080 DEG/ 04 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 070600Z3 --- 17.3N1 120.1E4 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 035 KT WINDS - 060 NM SOUTH SEMICIRCLE OVER WATER 050 NM ELSEWHERE OVER WATER VECTOR TO 72 HR POSIT: 090 DEG/ 08 KTS --- 72 HRS, VALID AT: 080600Z4 --- 17.4N2 123.4E0 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT --- REMARKS: 050900Z4 POSITION NEAR 16.9N6 116.9E7. TROPICAL DEPRESSION (TD) 23W, HAS DEVELOPED APPROXIMATELY 280 NM WEST-NORTHWEST OF MANILA, PHILIPPINES. THE SYSTEM HAS BEEN QUASI- STATIONARY OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 050530Z3 VISIBLE AND INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 25 KNOTS AND A SHIP REPORT NEAR THE CENTER OF 25 KNOTS. ANIMATED MULTI- SPECTRAL IMAGERY DEPICTED A PARTIALLY EXPOSED LOW LEVEL CIRCULATION NORTH-NORTHEAST OF THE CONVECTION. TD 23W IS FORECAST TO TRACK SLOWLY TO THE EAST THROUGH THE FORECAST PERIOD UNDER THE STEERING INFLUENCE OF THE LOW LEVEL RIDGE TO THE SOUTH. THE SYSTEM IS EXPECTED TO INTENSIFY SLOWLY THROUGH 48 HOURS UNDER A MARGINAL UPPER LEVEL ENVIRONMENT. TD 23W SHOULD WEAKEN SLIGHTLY AFTER 48 HOURS AS IT CROSSES OVER NORTHERN LUZON. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 050600Z1 IS 08 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. THIS WARNING SUPERSEDES AND CANCELS REF A, NAVPACMETOCCEN 050251Z SEP 00 TROPICAL CYCLONE FORMATION ALERT (WTPN22 PGTW 050300) NEXT WARNINGS AT 051500Z1 (DTG 051352Z6), 052100Z8 (DTG 051952Z2), 060300Z9 (DTG 060152Z4) AND 060900Z5 (DTG 060752Z0). REFER TO TYPHOON 22W (SAOMAI) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN