I operate around SEA including this particular neck of the woods in my shiny bizjet, and I have found that on a moonless night, my FLIR (Enhanced Vision System) has shown me a couple CB top that I would otherwise have missed with just the WX radar and the eyeball...
Something to think about when the airlines spec out the next generation of Buses and Boeings.... I have heard that CX considered it, and decided against installing EVS for budget reasons, relying instead on the 3D WX-radar with enhanced predictive features....