WTPN31 PGTW 210900 1. TROPICAL DEPRESSION 03W WARNING NR 002 01 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 210600Z9 --- NEAR 19.5N5 119.7E8 MOVEMENT PAST SIX HOURS - 045 DEGREES AT 19 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT BECOMING EXTRATROPICAL REPEAT POSIT: 19.5N5 119.7E8 --- FORECASTS: 12 HRS, VALID AT: 211800Z2 --- 21.5N8 122.6E1 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT BECOMING EXTRATROPICAL VECTOR TO 24 HR POSIT: 055 DEG/ 18 KTS --- 24 HRS, VALID AT: 220600Z0 --- 23.4N9 125.9E7 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT EXTRATROPICAL VECTOR TO 36 HR POSIT: 065 DEG/ 20 KTS --- 36 HRS, VALID AT: 221800Z3 --- 25.0N7 129.9E1 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT EXTRATROPICAL --- REMARKS: 210900Z2 POSITION NEAR 20.0N2 120.4E7. TROPICAL DEPRESSION (TD) 03W, LOCATED APPROXIMATELY 145 NM WEST- NORTHWEST OF PORT SAN VICENTE, PHILIPPINES , HAS TRACKED NORTHEASTWARD AT 19 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 210530Z1 VISIBLE AND INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 25 KNOTS AND SYNOPTIC REPORTS NEAR 30 KNOTS. ANIMATED SATELLITE IMAGERY DEPICTS CONVECTION ORGANIZING AROUND A WEAK LOW-LEVEL CIRCULATION CENTER (LLCC), WITH PREDOMINANT CONVECTION BEING SHEARED FROM THE WEST. RECENT SCATTEROMETER DATA IS UNABLE TO RESOLVE A LLCC, BUT INDICATES ELONGATED TROUGHING WITH SOME CONVERGENT FLOW. TD 03W IS A HYBRID SYSTEM CURRENTLY UNDERGOING EXTRATROPICAL TRANSITION. THE SYSTEM IS FORECAST TO TRACK NORTHEASTWARD TO EAST-NORTHEASTWARD IN THE MID-LATITUDE WESTERLY FLOW. THE SYSTEM WILL INTENSIFY SLIGHTLY BEFORE IT MOVES INTO INCREASING VERTICAL WIND SHEAR. EXTRATROPICAL TRANSITION WILL BE COMPLETE WITHIN THE NEXT 24- 36 HOURS . MAXIMUM SIGNIFICANT WAVE HEIGHT AT 210600Z9 IS 12 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 211500Z9 (DTG 211351Z3), 212100Z6 (DTG 211951Z9), 220300Z7 (DTG 220151Z1) AND 220900Z3 (DTG 220751Z7).//