This is a follow up to the closed thread....Jacket toss.
The coach made two separate actions in the heat of the moment. On the initial no-call, she came at the official. She got T'd. The jacket toss is considered to be a respect for the game issue and a separate action regardless of who catches the jacket. Ask Bobby Knight, that old lady in the corner caught that chair
From the NBA VideoRulebook there are multiple examples of what is unacceptable. While these are player related, the message from the NBA (WNBA) is clear.