SUBJ: TROPICAL CYCLONE WARNING WTPN31 PGTW 030900 1. TROPICAL STORM 05W (KIROGI) WARNING NR 005 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 030600Z9 --- NEAR 16.3N0 132.0E6 MOVEMENT PAST SIX HOURS - 360 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 035 KT WINDS - 045 NM EAST SEMICIRCLE 040 NM ELSEWHERE REPEAT POSIT: 16.3N0 132.0E6 --- FORECASTS: 12 HRS, VALID AT: 031800Z2 --- 17.7N5 131.8E3 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 020 NM RADIUS OF 035 KT WINDS - 075 NM EAST SEMICIRCLE 060 NM ELSEWHERE VECTOR TO 24 HR POSIT: 360 DEG/ 07 KTS --- 24 HRS, VALID AT: 040600Z0 --- 19.1N1 131.8E3 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 035 KT WINDS - 105 NM EAST SEMICIRCLE 085 NM ELSEWHERE VECTOR TO 36 HR POSIT: 355 DEG/ 10 KTS --- 36 HRS, VALID AT: 041800Z3 --- 21.1N4 131.7E2 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 040 NM RADIUS OF 035 KT WINDS - 130 NM EAST SEMICIRCLE 110 NM ELSEWHERE VECTOR TO 48 HR POSIT: 350 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 050600Z1 --- 23.1N6 131.4E9 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 055 NM EAST SEMICIRCLE 045 NM ELSEWHERE RADIUS OF 035 KT WINDS - 150 NM EAST SEMICIRCLE 120 NM ELSEWHERE VECTOR TO 72 HR POSIT: 355 DEG/ 09 KTS --- 72 HRS, VALID AT: 060600Z2 --- 26.5N3 131.0E5 MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT RADIUS OF 050 KT WINDS - 070 NM EAST SEMICIRCLE 055 NM ELSEWHERE RADIUS OF 035 KT WINDS - 175 NM EAST SEMICIRCLE 150 NM ELSEWHERE OVER WATER --- REMARKS: 030900Z2 POSITION NEAR 16.7N4 132.0E6. TROPICAL STORM (TS) 05W (KIROGI) HAS TRACKED NORTHWARD AT 11 KNOTS OVER THE PAST 6 HOURS, IN THE PHILIPPINE SEA. THE WARNING POSITION IS BASED ON 030530Z1 VISIBLE AND INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT SATELLITE INTENSITY ESTIMATES OF 45 KNOTS. ANIMATED SATELLITE IMAGERY SHOWS CONVECTION ASSOCIATED WITH TS 05W (KIROGI) HAS CONTINUED TO ORGANIZE AND INTENSIFY OVER THE PAST 6 HOURS. 200 MB ANALYSIS AND ANIMATED WATER VAPOR IMAGERY REVEAL GOOD OUTFLOW ALOFT. TS 05W (KIROGI) IS FORECAST TO TRACK NORTH-NORTHWESTWARD UNDER THE STEERING INFLUENCE OF THE MID-LEVEL SUBTROPICAL RIDGE TO THE EAST. TS 05W (KIROGI) IS FORECAST TO INTENSIFY AT A CLIMATOLOGICAL RATE THROUGH THE PERIOD UNDER FAVORABLE UPPER LEVEL CONDITIONS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 030600Z9 IS 14 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 031500Z9 (DTG 031351Z3), 032100Z6 (DTG 031951Z9), 040300Z7 (DTG 040151Z1) AND 040900Z3 (DTG 040751Z7).// NNNN