TXPZ23 KNES 141221 TCSENP A. 03E (CRISTINA) B. 14/1200Z C. 19.1N D. 111.1W E. THREE/GOES-W F. T3.0/4.0/W1.5/12HRS G. IR/EIR/SWIR/TMI H. REMARKS...SIGNIFICANT WEAKENING TO THE CONVECTIVE COMPLEX CAN BE SEEN IN SWIR AND EIR LOOPS. TIMELY 1030Z TRMM PASS PROVIDES VERY HIGH CONFIDENCE IN CENTER LOCATION WITH ONLY LIMITED CONVECTIVE TOWERS TO THE WEST WHICH HAVE SUBSEQUENTLY WEAKENED PER EIR. DT IS DIFFICULT TO DETERMINE AS SHEAR METHOD NEEDS A LARGE ENOUGH CONVECTIVE AREA FOR A DT OF 2.5 OR GREATER WHICH IS NOT THE CASE AT THIS TIME. BANDING WOULD BE GENEROUS .4 ON LOG10 FOR DT OF 2.5. GIVEN DIFFICULTY DT IS REJECTED. MET IS 3.0 USING RAPID WEAKENING TREND. PT IS 2.5 BUT WOULD BE LOWER IF NOT CONSTRAINED BY BEING WITHIN .5 OF MET. FT IS 3.0 BASED ON MET. CI IS HELD AT 4.0 PER WEAKENING RULES REQUIRED TO BE NO MORE THAN 1.0 OVER FT EVEN THOUGH 12HR FT WAS 4.5. I. ADDL POSITIONS 14/1030Z 19.1N 111.1W TMI ...GALLINA