You reacted like you did because the situation triggered you.
You became overwhelmed really quickly because your central nervous system was flooded with stress (old memories) and in the moment you were back in your old life and helpless as a child, this is extremely common in survivors of abusive families. A touch point of raw pain and fear.
Ask yourself these questions when you are feeling calm and centred;
Would someone outside think it was okay if they saw your dh screaming in the way he was two crying girls? What do you think they would say?
What did it bring up for you seeing them crying?
Why didn’t he stop when you asked him to?
I ask this because it is normal for adult survivors that have been abused to accept and sometimes not even notice abusive behaviour that would be totally unacceptable to others.
I would not find it remotely acceptable for my dh to continue to scream and shout at my crying teens. I would also move to protect them, as all good parents would.
The issue here is that he did not stop op.