TXPQ29 KNES 212128 TCSWNP A. 18W (ROKE) B. 21/2101Z C. 41.9N D. 145.0E E. FIVE/MTSAT F. EXTRATROPICAL G. IR/EIR/SWIR/VIS/SSMI H. REMARKS...1752Z CIMSS AMSU-A CROSS SECTION SUGGESTS 18W IS LOSING ITS WARM CORE AND IS TRANSITIONING TO EXTRATROPICAL. THIS WILL BE THE FINAL BULLETIN. I. ADDL POSITIONS 21/1903Z 40.7N 144.0E SSMI ...GUILLOT