I'm a private weather industry business leader with 18 years of applied operations, sales and marketing experience. 

Intercept for Sat?

I say "intercept" because "chasing" storms on Saturday will be nearly impossible when you combine terrain and storm speeds. Pick a target and locate yourself 60 miles to the NE and you might have a chance.
I'll look at this more and post about it when I have more time.

2/24/07 Forecast

Warm Weather