Barometric pressure has been mentioned on crappie.com a couple of times. The following article on weather.com has good information about the whys and wherefores about the effect barometric pressure has on fish and their feeding habits.

Fishing by the Barometer - weather.com

However, since we've got storms moving in to the area today (low pressure) we should have had a feeding frenzy this morning. Well, the fish might have been feeding...but not on my offerings!