WTPN31 PGTW 280900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 08W (DAMREY) WARNING NR 022// RMKS/ 1. TROPICAL STORM 08W (DAMREY) WARNING NR 022 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 280600Z --- NEAR 39.9N 145.6E MOVEMENT PAST SIX HOURS - 030 DEGREES AT 17 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT REPEAT POSIT: 39.9N 145.6E --- FORECASTS: 12 HRS, VALID AT: 281800Z --- 41.4N 150.4E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 085 DEG/ 27 KTS --- 24 HRS, VALID AT: 290600Z --- 41.8N 157.5E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT --- REMARKS: 280900Z POSITION NEAR 40.3N 146.8E. 28AUG23. TROPICAL STORM 08W (DAMREY), LOCATED APPROXIMATELY 204 NM EAST OF MISAWA, JAPAN, HAS TRACKED NORTH-NORTHEASTWARD AT 17 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS THE SYSTEM HAS ACCELERATED NORTHEASTWARD ON THE POLEWARD SIDE OF THE STEERING SUBTROPICAL RIDGE WITH THE CONVECTION SHEARED AND PARTLY EXPOSING THE LOW LEVEL CIRCULATION. ANALYSIS INDICATES TS 08W HAS ENTERED THE BAROCLINIC ZONE AND UNDERGOING EXTRA-TROPICAL TRANSITIONING AND WILL BECOME A GALE-FORCE COLD CORE LOW WITH AN EXPANDING WIND FIELD BY TAU 12. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MINIMUM CENTRAL PRESSURE AT 280600Z IS 987 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 280600Z IS 18 FEET. REFER TO TYPHOON 09W (SAOLA) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN