SUBJ: TROPICAL CYCLONE WARNING WTPN31 PGTW 060900 1. TROPICAL DEPRESSION 01W WARNING NR 003 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 060600Z2 --- NEAR 11.8N0 132.4E0 MOVEMENT PAST SIX HOURS - 325 DEGREES AT 04 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 REPEAT POSIT: 11.8N0 132.4E0 --- FORECASTS: 12 HRS, VALID AT: 061800Z5 --- 12.6N9 131.7E2 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 24 HR POSIT: 320 DEG/ 06 KTS --- 24 HRS, VALID AT: 070600Z3 --- 13.6N0 130.9E3 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT RADIUS OF 035 KT WINDS - 040 NM NORTHEAST SEMICIRCLE 030 NM ELSEWHERE VECTOR TO 36 HR POSIT: 335 DEG/ 04 KTS --- 36 HRS, VALID AT: 071800Z6 --- 14.4N9 130.5E9 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 035 KT WINDS - 060 NM NORTHEAST SEMICIRCLE 050 NM ELSEWHERE VECTOR TO 48 HR POSIT: 340 DEG/ 04 KTS --- EXTENDED OUTLOOK: 48 HRS , VALID AT: 080600Z4 --- 15.2N8 130.2E6 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 015 NM EAST SEMICIRCLE 010 NM ELSEWHERE RADIUS OF 035 KT WINDS - 085 NM EAST SEMICIRCLE 075 NM ELSEWHERE VECTOR TO 72 HR POSIT: 360 DEG/ 04 KTS --- 72 HRS, VALID AT: 090600Z5 --- 16.8N5 130.2E6 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 030 NM EAST SEMICIRCLE 025 NM ELSEWHERE RADIUS OF 035 KT WINDS - 100 NM EAST SEMICIRCLE 085 NM ELSEWHERE --- REMARKS: 060900Z5 POSITION NEAR 12.0N3 132.2E8. TROPICAL DEPRESSION (TD) 01W, LOCATED IN THE PHILIPPINE SEA APPROXIMATELY 390 NM EAST OF THE PHILIPPINE ISLAND OF SAMAR, HAS TRACKED NORTHWESTWARD AT 04 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 060530Z4 VISIBLE AND INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT SATELLITE INTENSITY ESTIMATES OF 30 KNOTS. ANIMATED IMAGERY SHOWS THE SYSTEM HAS TRACKED NORTHWESTWARD AND HAS BECOME SLIGHTLY MORE ORGANIZED OVER THE PAST 6 HOURS. ANIMATION ALSO SHOWS THE CONVECTION COVERS A BROAD AREA AND HAS YET TO CONSOLIDATE INTO A WELL-DEFINED TROPICAL CYCLONE. TD 01W IS FORECAST TO CONTINUE NORTHWESTWARD UNDER THE STEERING INFLUENCE OF THE MID-LEVEL RIDGE TO THE NORTHEAST. AFTER THE 24 HOUR FORECAST PERIOD, TD 01W SHOULD BEGIN TO MOVE MORE NORTHWARD THROUGH A WEAKNESS IN THE SUBTROPICAL RIDGE. TD 01W IS FORECAST TO INTENSIFY SLOWLY OVER THE FIRST 24 HOURS AND THEN AT A NEAR CLIMATOLOGICAL RATE AFTERWARDS AS CONDITIONS REMAIN FAVORABLE FOR INTENSIFICATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 060600Z2 IS 11 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 061500Z2 (DTG 061351Z6), 062100Z9 (DTG 061951Z2), 070300Z0 (DTG 070151Z4) AND 070900Z6 (DTG 070751Z0).// NNNN