TXPQ21 KNES 201511 TCSWNP A. 19W (SONCA) B. 20/1432Z C. 41.4N D. 167.3E E. FIVE/MTSAT F. EXTRATROPICAL G. IR/EIR/SWIR/AMSU H. REMARKS...0556Z AMSU SOUNDING SUGGESTS 19W HAS BEGUN TO LOSE ITS WARM CORE AND IS TRANSITIONING TO EXTRATROPICAL. THIS WILL BE THE FINAL BULLETIN. I. ADDL POSITIONS 20/1004Z 41.9N 163.2E AMSU ...GUILLOT