Miamix707- They began using the 13/31 rnwy on Tuesday morn. I believe is when I noticed the odd pattern. 13/30 and 9L/27R are also expected to close soon as they'll be working on the intersection there, not sure as to where the planes will land then.
there was a thread before on this...i believe that 13/30 will or has been closed in the morning for a few days during the project. I think that the project will take 2-3 weeks (I'm hoping your right about 3 months, though...so I can have 2 TOs and 2 landings on 13/30!)