I'm not an expert, so maybe someone can say if this might be a valid theory, but could it be that the weight of the water for a prolonged period has caused some pipe to come loose or something like that?
The closest thing I have experienced was just after the barriers to the front section of a Pearl Jam concert opened. My girlfriend was standing in front of me and was actually lifted off the ground by the crowd momentarily until the people in front of her were able to move through the barrier. It was very scary trying to keep the people behind us from pushing us over and barely succeeding for long enough. And I'm not small either, crowd force is no joke.
Since he can't express his frustration and subsequent aggression towards the opposing team in a way that someone who can regulate their emotions would...
Well as an insurance for the SSD breaking it's an option. Just trying to help.