TXPN26 KNES 291557 SIMWIR A. 16W (CHABA) B. 29/1430Z C. 29.9N D. 134.9E E. THREE/MTSAT F. T4.0/4.0/W1.5/24HRS G. IR/EIR H. REMARKS...CHABA IS MAINTAINING CORE CENTRAL CONVECTION..ALTHOUGH CLOUD TOP TEMPS HAVE GRADUALLY BEEN WARMING. 1228Z AMSU PASS SHOWED AN ELONGATED CENTRAL CONVECTION-FREE FEATURE WITH UNCERTAIN LOW LEVEL CENTER PLACEMENT. EMBEDDED CENTER PATTERN USED WITH LG CLOUD TOPS FOR DT=4.5. MET=4.5 AND PT=4.0. UNIVERSITY OF WISCONSIN ADT CI GIVES CI=3.8. FT BASED ON PT. I. ADDL POSITIONS NIL ...RUMINSKI