TXNT25 KNES 181207 TCSNTL A. 15L (NICOLE) B. 18/1145Z C. 48.4N D. 35.9W E. THREE/GOES-E F. EXTRATROPICAL G. IR/EIR/VIS H. REMARKS...SYSTEM HAS SHOWN SIGNIFICANT ACCELERATION SINCE PREVIOUS CLASSIFICATION WHICH IS INDICATIVE OF AN EXTRATROPICAL TRANSITION. THIS WILL BE THE FINAL BULLETIN. I. ADDL POSITIONS NIL ...WHISNANT