TXPN28 KNES 250922 SIMWIR A. 13W (MALAKAS) B. 25/0832Z C. 37.6N D. 147.1E E. THREE/MTSAT F. EXTRATROPICAL G. IR/EIR/SWIR/TMI/SSMIS H. REMARKS...PBO RECENT MICROWAVE DATA. CIMSS AMSU HOMEPAGE DEPICTS LOSS OF WARM CORE AT 100MB IN 0438Z AMSU DATA ALTHOUGH WARM CORE WAS STILL INTACT AT 200MB AT THAT TIME. SUBSEQUENT MICROWAVE IMAGERY SHOWED CONTINUED LOSS OF ICE RETURN NEAR CENTER AT 85-91GHZ DATA. THESE FACTORS SUGGEST THAT EXTRATROPICAL TRANSITION IS UNDERWAY AND THIS WILL BE THE FINAL BULLETIN. I. ADDL POSITIONS 25/0526Z 36.3N 145.7E TMI 25/0658Z 36.9N 146.4E SSMIS 25/0807Z 37.5N 147.0E SSMIS ...TURK