@alexjkennedy Click somewhere on the map and move the "weather picker" around. It will show you the actual height of the cloud base at the selected location (1.). Additionally, you can click on the "map legend" in the bottom right corner to change units to meters/feet (2.), it will be more clear for you to read the map then.
0_1516012274686_cloudBase.png
Play around with it a bit and you'll see.
