TXXS25 KNES 051757 TCSSIO A. 07S (DUMILE) B. 05/1730Z C. 36.1S D. 64.6E E. THREE/MET-7 F. EXTRATROPICAL G. IR/EIR H. REMARKS...THE LOW LEVEL CENTER OF CIRCULATION HAS BROADENED AND BECOME EXPOSED AS THE SYSTEM MOVES RAPIDLY POLEWARD. BANDING IS NO LONGER PRESENT ON THE NORTHERN PERIPHERY. THE 1247Z AMSU PASS SUGGESTS DEGRADATION OF THE WARM CORE INDICATING THAT EXTRATROPICAL TRANSITION HAS BEGUN. THIS WILL BE THE FINAL BULLETIN. I. ADDL POSITIONS NIL ...RAMIREZ