I no longer have clouds for that terrain offline. The clouds for that terrain were probably created in the previous cloud editor version so had to be disabled pending a new cloud file from the new version.
Maybe see if greebo will shoot you a 2048x2048 map.bmp of that terrain that you can target with the new cloud editor. Drop a few fronts into a file, then save it to the chconfig folder for craterma as 1craterma.awa. Then go offline and from the text buffer: .sweath 1craterma
You will have offline clouds. Or a clunky way is to set your FOV to about 120, go offline and pull the CBM as big as possible. Take a screen capture, clip that map out and scale it into a 2048x2048 8bit bitmap file. You will have enough resolution to create your weather system for offline work. Clunky but doable....