I finally have power so I was able to check to see what the boom was when the lights went out. It appears it was a cable and no the transformer as we thought.
You can see the smoke sink and then get blown from right to left across the screen.
View attachment NVR_ch1_main_20241106133329_20241106133350.mp4
You can see the smoke sink and then get blown from right to left across the screen.
View attachment NVR_ch1_main_20241106133329_20241106133350.mp4