SUBJ: TROPICAL CYCLONE WARNING WTPN32 PGTW 090900 1. TROPICAL STORM 06W (KAI-TAK) WARNING NR 021 DOWNGRADED FROM TYPHOON 06W 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 090600Z5 --- NEAR 24.4N0 121.9E3 MOVEMENT PAST SIX HOURS - 010 DEGREES AT 18 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 050 NM EAST SEMICIRCLE 015 NM ELSEWHERE RADIUS OF 035 KT WINDS - 120 NM EAST SEMICIRCLE 040 NM ELSEWHERE OVER WATER REPEAT POSIT: 24.4N0 121.9E3 --- FORECASTS: 12 HRS, VALID AT: 091800Z8 --- 27.7N6 122.3E8 MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT RADIUS OF 050 KT WINDS - 055 NM EAST SEMICIRCLE 035 NM ELSEWHERE RADIUS OF 035 KT WINDS - 125 NM EAST SEMICIRCLE 070 NM ELSEWHERE OVER WATER VECTOR TO 24 HR POSIT: 010 DEG/ 23 KTS --- 24 HRS, VALID AT: 100600Z7 --- 32.2N7 123.1E7 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 050 NM EAST SEMICIRCLE 030 NM ELSEWHERE RADIUS OF 035 KT WINDS - 120 NM EAST SEMICIRCLE 065 NM ELSEWHERE VECTOR TO 36 HR POSIT: 025 DEG/ 17 KTS --- 36 HRS, VALID AT: 101800Z0 --- 35.2N0 124.9E6 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT RADIUS OF 050 KT WINDS - 045 NM EAST SEMICIRCLE 025 NM ELSEWHERE RADIUS OF 035 KT WINDS - 110 NM EAST SEMICIRCLE OVER WATER 060 NM ELSEWHERE VECTOR TO 48 HR POSIT: 025 DEG/ 16 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 110600Z8 --- 38.1N2 126.7E6 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 035 KT WINDS - 050 NM SOUTHEAST SEMICIRCLE OVER WATER 025 NM ELSEWHERE OVER WATER VECTOR TO 72 HR POSIT: 060 DEG/ 19 KTS --- 72 HRS, VALID AT: 120600Z9 --- 41.7N2 135.2E1 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT --- REMARKS: 090900Z8 POSITION NEAR 25.2N9 122.0E5. TROPICAL STORM (TS) 06W (KAI-TAK), LOCATED ABOUT 43 NM SOUTHEAST OF TAIPEI, TAIWAN, HAS CONTINUED TO ACCELERATE RAPIDLY. TS 06W HAS MOVED NORTHWARD AT 18 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 090530Z7 VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 55 KNOTS. ANIMATED VISIBLE SATELLITE IMAGERY DEPICTS CONTINUED WEAKENING OF THE ASSOCIATED DEEP CONVECTION AS THE SYSTEM TRACKS PARALLEL TO THE COAST OF TAIWAN. EXACT CENTER OF THE SYSTEM IS SOMEWHAT DIFFICULT TO PINPOINT AS THE SYSTEM INTERACTS WITH THE WEST COAST OF TAIWAN. TS 06W (KAI-TAK) IS FORECAST TO TRACK GENERALLY NORTHWARD THROUGH THE PERIOD UNDER THE STRONG STEERING FLOW BETWEEN THE RIDGE EXTENDING FROM A MID-LEVEL HIGH EAST OF TS 06W AND THE MID-LATITUDE TROUGH SITUATED OVER SOUTHEASTERN CHINA. LITTLE CHANGE IS EXPECTED DURING THE NEXT 12 HOURS. THEN, THE SYSTEM IS EXPECTED TO WEAKEN AT A NEAR CLIMATOLOGICAL RATE AS IT TRACKS OVER THE YELLOW SEA. FORECAST WIND RADII ARE BASED ON SYNOPTIC DATA. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 090600Z5 IS 22 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 091500Z5 (DTG 091352Z0), 092100Z2 (DTG 091952Z6), 100300Z4 (DTG 100152Z9) AND 100900Z0 (DTG 100752Z5). REFER TO TROPICAL STORM 05W (KIROGI) WTPN31 PGTW 081200 FOR FINAL WARNING ON THIS SYSTEM.// NNNN