WTPN31 PGTW 220900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 24W (DUJUAN) WARNING NR 028// RMKS/ 1. TROPICAL STORM 24W (DUJUAN) WARNING NR 028 DOWNGRADED FROM TYPHOON 24W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 220600Z --- NEAR 39.0N 150.2E MOVEMENT PAST SIX HOURS - 070 DEGREES AT 24 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT 185 NM SOUTHEAST QUADRANT 180 NM SOUTHWEST QUADRANT 145 NM NORTHWEST QUADRANT REPEAT POSIT: 39.0N 150.2E --- FORECASTS: 12 HRS, VALID AT: 221800Z --- 40.9N 157.5E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 200 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 070 DEG/ 35 KTS --- 24 HRS, VALID AT: 230600Z --- 42.9N 166.4E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 230 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT --- REMARKS: 220900Z POSITION NEAR 39.5N 152.0E. 22SEP26. TROPICAL STORM 24W (DUJUAN), LOCATED APPROXIMATELY 424 NM EAST OF MISAWA, JAPAN, HAS TRACKED EAST-NORTHEASTWARD AT 24 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTI-SPECTRAL IMAGERY DEPICTS TROPICAL STORM (TS) 24W (DUJUAN) WITH A VERY BROAD, ELONGATED, AND FULLY EXPOSED LOW-LEVEL CIRCULATION CENTER. CONVECTION IS HIGHLY SHEARED TO THE NORTHEAST AS THE SYSTEM FURTHER EMBEDS ITSELF UNDER THE UPPER LEVEL JET. ENVIRONMENTAL ANALYSIS REVEALS A HOSTILE ENVIRONMENT CHARACTERIZED BY COLD (23-24 C) SEA SURFACE TEMPERATURES, EXTREME (60-65 KTS) VERTICAL WIND SHEAR, EXTENSIVE DRY AIR ENTRAINMENT. 24W IS ASSESSED TO BE CURRENTLY UNDERGOING EXTRATROPICAL TRANSITION (ETT), EXHIBITING MODERATE TEMPERATURE ADVECTION INDUCED BY INTERACTION WITH THE JET. GLOBAL DETERMINISTIC MODELS ARE IN STRONG AGREEMENT THAT 24W WILL COMPLETE ETT WITHIN 12 HOURS AND CONTINUE TRACKING POLEWARD THROUGH THE REMAINDER OF THE FORECAST PERIOD. 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 220600Z IS 975 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 220600Z IS 31 FEET.// NNNN