SUBJ: TROPICAL CYCLONE WARNING WTPN32 PGTW 041500 1. TROPICAL DEPRESSION 06W WARNING NR 002 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 041200Z7 --- NEAR 18.4N3 120.7E0 MOVEMENT PAST SIX HOURS - 030 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT REPEAT POSIT: 18.4N3 120.7E0 --- FORECASTS: 12 HRS, VALID AT: 050000Z5 --- 18.8N7 121.9E3 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT VECTOR TO 24 HR POSIT: 065 DEG/ 06 KTS --- 24 HRS, VALID AT: 051200Z8 --- 19.3N3 123.1E7 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT VECTOR TO 36 HR POSIT: 070 DEG/ 10 KTS --- 36 HRS, VALID AT: 060000Z6 --- 19.9N9 125.1E9 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT RADIUS OF 035 KT WINDS - 040 NM SOUTHEAST SEMICIRCLE 030 NM ELSEWHERE VECTOR TO 48 HR POSIT: 070 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 061200Z9 --- 20.5N7 127.1E1 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT RADIUS OF 035 KT WINDS - 045 NM SOUTHEAST SEMICIRCLE 035 NM ELSEWHERE VECTOR TO 72 HR POSIT: 055 DEG/ 12 KTS --- 72 HRS, VALID AT: 071200Z0 --- 23.2N7 131.2E7 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 035 KT WINDS - 050 NM SOUTHEAST SEMICIRCLE 040 NM ELSEWHERE --- REMARKS: 041500Z0 POSITION NEAR 18.5N4 121.0E4. TROPICAL DEPRESSION (TD) 06W, LOCATED OVER THE WEST COAST OF LUZON NEAR LAOAG, HAS TRACKED NORTH-NORTHEASTWARD AT 10 KNOTS DURING THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 041130Z9 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT SATELLITE INTENSITY ESTIMATES OF 25 AND 30 KNOTS. A 040927Z2 SPECIAL SENSOR MICROWAVE IMAGERY (SSM/I) PASS DEPICTED TD 06W JUST OVER THE WESTERN LUZON COAST. THERE ARE SOME WEAK CONVECTIVE BANDS TO THE SOUTH AND NORTH OF THE LOW-LEVEL CIRCULATION CENTER. 071200Z0 SYNOPTIC DATA SUPPORTS THE LOCATION AND ALSO INDICATES THE SYSTEM HAS MAINTAINED TROPICAL DEPRESSION STRENGTH. LOW/MID LEVEL RIDGE EXTENDING OVER MINDANAO SHOULD REMAIN QUASI-STATIONARY THROUGH THE PERIOD. TD 06W IS FORECAST TO TRACK NORTHEASTWARD WITHIN THE LOW/MID LEVEL RIDGE. TROPICAL DEPRESSION (TD) 06W IS FORECAST TO MAINTAIN MINIMAL TD STRENGTH WHILE OVER LUZON. AFTERWARD, THE SYSTEM SHOULD SLOWLY BEGIN TO INTENSIFY THROUGH THE LATTER PORTION OF THE FORECAST. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 071200Z0 IS 12 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 042100Z7 (DTG 041952Z1), 050300Z8 (DTG 050152Z3), 050900Z4 (DTG 050752Z9) AND 051500Z1 (DTG 051352Z6). REFER TO TYPHOON KIROGI (05W) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN