Ride Closures?

Does anyone know if Universal has a calendar of some sort that posts ride closures/maintenance schedules? Or any other place I can look up the information?

I'm trying to decide if we need 3 or 4 day passes in mid February. We are scheduled to be there four days and I will likely buy 4 day passes so the kids can ride over and over and we can take our time, but it's so hard for me to pass up the Buy 2 days, get the 3rd free "deal" ... Sigh. It's likely we won't be riding many water rides, but if it's not great weather for water rides, then it is not great pool weather either.

Never mind. I found it on their website. Looks like we will miss Dudley Do-Right, but make Jurassic Park before it closes. And, no Hulk ... my kids will miss it, but I will not.