060900Z POSITION NEAR 38.0N 145.0E. TROPICAL STORM 18W (PHANFONE), LOCATED APPROXIMATELY 201 NM SOUTH-SOUTHEAST OF MISAWA AB, JAPAN, HAS TRACKED NORTHEASTWARD AT 40 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS THE SYSTEM HAS GROSSLY ELONGATED AS EXTREMELY STRONG VERTICAL WIND SHEAR HAS DISPLACED THE BULK OF THE CONVECTION NORTHEASTWARD. ADDITIONALLY, THE SYSTEM IS NOW FULLY EMBEDDED IN THE BAROCLINIC ZONE AND HAS ASSUMED COLD-CORE LOW CHARACTERISTICS. TS 18W IS EXPECTED TO CONTINUE ACCELERATING NORTHEASTWARD AND DECAY AS AN EXTRA-TROPICAL CYCLONE OVER WATER. 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.