The reason ATP starts the left engine first is for standardization. If you needed ground power to start, the recepticle is on the right side of the nose so it makes sense to start the left side first.
Its a Cat IIIb approach but the weather is above Cat I minimums. The ALS is visible prior to 200 AGL. Could have landed on a Cat I ILS approach in these conditions. Definitely an autoland, however.
Air Wisconsin crj 200