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I have often criticized the “angry God” of some Christians. But then I will have people say something like this to me. “But don’t you think God gets mad about (insert list of things they think a progressive, like me, probably cares about)?” Here’s my answer: https://twitter.com/scottsauls/status/1254217018082947072">https://twitter.com/scottsaul...
The easy answer is “technically yes.” I believe that the word “anger” (as well as words like “sadness”) get as close as human language can get to describing what God feels when God witnesses violence, injustice, etc. But let me explain.
Any psychologist can tell you that there are two kinds of anger: destructive anger and constructive anger. Destructive anger expresses in fits of rage (eg- flooding whole earth because people aren’t behaving), harming (causing bad things in order to judge),
Tit-for-tat thinking (counting errors, always requiring repayment, etc), punitive punishment. Destructive anger is channeled in such a way that someone usually gets hurt in some way. When evangelicals say “God is angry” they are referring to destructive anger.
Many don’t even need to a church to teach us that anger is of the destructive kind. That’s the primary (or at least most memorable) expressions of emotion that we often experience at the home, in school, at the office. That’s our experience of “anger.”
Constructive anger expresses itself in honest conservations, the expression of emotion, and the creation of boundaries to maintain a healthy relationship, & sometimes it can be creative—leading to art and music that’s often healing (Eg- rebellious 70s rock or angsty 90s alt).
If were to say “God gets angry” (at white supremacy or genocide or harming the poor or the oppression of women, etc), I’m talking about constructive anger. This kind of anger doesn’t demand payback and doesn’t inflict harm (eg - send a natural disaster) to teach or judge.
As my psychologist friends remind me, the expression of constructive anger is a sign of mental stability and emotional health while the expression of destructive behavior is a sign of psychological and emotional distress.
And that’s why I don’t often use the word “anger” when I talk about God. Not because I think it cannot apply. But rather because most people aren’t using my definition. It’s one of the words I am really trying to learn to speak from scratch. 
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