TXPZ23 KNES 311827 TCSENP A. 10E (IRWIN) B. 31/1800Z C. 22.3N D. 127.5W E. THREE/GOES-W F. T2.5/3.5/W0.5/24HRS G. IR/EIR/VIS/WINDSAT H. REMARKS...CONVECTION ASSOCIATED WITH IRWIN CONTINUES TO WARM (NOW COLDEST TOPS ARE MG) AND HAS OPENED UP WITH COLDER TOPS NOW CONFINED TO EASTERN SEMICIRCLE. SYSTEM IS QUITE COMPACT BUT STILL SYMMETRIC. 5 TENTHS BANDING GIVES DT=2.5. MET=2.0 BASED ON 24 HOUR WEAKENING TREND. PT=2.5. FT IS BASED ON DT. I. ADDL POSITIONS 31/1431Z 21.6N 127.2W WINDSAT ...RUMINSKI