WTPN31 PGTW 090900 1. TROPICAL STORM 24W (KROSA) WARNING NR 023 DOWNGRADED FROM TYPHOON 24W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 090600Z5 --- NEAR 34.3N0 151.2E9 MOVEMENT PAST SIX HOURS - 060 DEGREES AT 34 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 EXTRATROPICAL REPEAT POSIT: 34.3N0 151.2E9 --- FORECASTS: 12 HRS, VALID AT: 091800Z8 --- 37.6N6 160.3E0 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT EXTRATROPICAL VECTOR TO 24 HR POSIT: 065 DEG/ 46 KTS --- 24 HRS, VALID AT: 100600Z7 --- 41.2N7 171.4E3 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT EXTRATROPICAL VECTOR TO 36 HR POSIT: 065 DEG/ 45 KTS --- 36 HRS, VALID AT: 101800Z0 --- 44.7N5 177.2W7 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT EXTRATROPICAL --- REMARKS: 090900Z8 POSITION NEAR 35.1N9 153.5E4. TROPICAL STORM (TS) 24W (KROSA), LOCATED APPROXIMATELY 650 NM SOUTH- SOUTHEAST OF THE KURIL ISLANDS, HAS TRACKED EAST-NORTHEASTWARD AT 34 KNOTS DURING THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 090530Z7 INFRARED AND VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 55 KNOTS. ANIMATED SATELLITE IMAGERY INDICATES THAT THIS SYSTEM IS DEVELOPING FRONTAL FEATURES AS IT MOVES FURTHER INTO THE BAROCLINIC ZONE. OUR ANALYSIS INDICATES THAT THIS SYSTEM HAS COMPLETED EXTRATROPICAL TRANSITION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 090600Z5 IS 25 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER (NAVPACMETOCCEN). REFER TO NAVPACMETOCCEN YOKOSUKA WWPW30 RJTX FOR FUTURE GALE WARNINGS.// BT #XXXX NNNN