TXPQ25 KNES 270633 TCSWNP A. 06W (CHAMPI) B. 27/0530Z C. 31.7N D. 142.4E E. THREE/HIMAWARI-8 F. EXTRATROPICAL G. IR/EIR/VIS H. REMARKS...THIS ESTIMATE WAS DERIVED USING 4 KM IR DATA. DUE TO THE COMBINATION OF CONVECTION HAVING MOVED POLEWARD AND EASTWARD OF THE LLCC, ALONG WITH THE MARKED ACCELERATION TOWARDS THE NORTH-NORTHEAST OVER THE PAST 6 HOURS, IT HAS BEEN DETERMINED THAT EXTRATROPICAL TRANSITION HAS COMMENCED. THIS WILL BE THE FINAL BULLETIN FOR THIS SYSTEM UNLESS THE SYSTEM REGAINS TROPICAL CHARACTERISTICS. I. ADDL POSITIONS NIL ...HOSLEY