If anyone wonders, the T-9 hold is longer than usual. Launch is still on schedule for 1801:56 UTC. This optimum launch time changes slightly as Hubble's orbit is tracked. The window for a launch actually lasts until 1843 UTC.
Count resumes at 1752:56 UTC.
Preliminary examination of the ice team's photos indicates no constraint, but needless to say there'll have to be a meeting on this.