Thu, 11 Feb 2010 09:03:02 AM EST
Winds are staying below the 20-knot limit, and launch managers are cautiously optimistic the weather and wind will stay "green" for liftoff at 10:23 a.m. The area of clouds approaching from the west is expected to reach the launch area around launch time, but forecasters believe the clouds are too thin to pose a problem. A weather aircraft is going to fly into the clouds soon, providing more conclusive information.
The liquid oxygen level on the Atlas V booster just passed 30 percent.