I am no met. However, the infrared images can be deceiving since they just translate cloud temperatures within a certain range and can make a storm appear to be moving in one direction when the center really isn't (if the clouds at the center are in the same temp range as others in the system). To me, a better indicator of direction of the center comes from the visible satellite imagery.

http://www.ssd.noaa.gov/goes/flt/t1/loop-vis.html

To my untrained eye, it appears that the center of the circulation, such as it is, is heading almost due west, even though some of the heavier convection is indeed moving off to the SW..