Broadcast is live
Very likely local weather will cause a delay, and/or an abort
Plans are to take countdown to T-minus 30 seconds before aborting launch attempt

T-30 minutes until Falcon 9 launch of Dragon; team is monitoring weather conditions. Webcast will go live ~15 minutes before liftoff → https://t.co/gtC39uBC7z

— SpaceX (@SpaceX) July 24, 2019