Got off the ship today about 1400, picked up my luggage, and was headed out the gate at 1430.
As far as the cause of the launch failure, NASA_Spaceflight.com has an excellent discussion at this thread.
The actual discussion of the launch problem starts here.
This site has NO affiliation with NASA, and is a privately run website that caters to all aspects of spaceflight.
And I don't mind the rain, as SoCal is a couple of inches below "normal" for this time of year, and we can really use it!