@terryforshee
You can get a more precise image if you untick "smooth gradient"
[image: 1533215957871-capture-d-e-cran-2018-08-02-a-14.38.54.png]
You get this type of radar image, seen today at 12:38 UTC:
[image: 1533216084048-capture-d-e-cran-2018-08-02-a-14.38.38.png]