@Gkikas-LGPZ @csabatatar Yes this happens often, it's a configuration error. The routine that draws those light gray circles does not know anything about the underlying radar data (over which it draws the circles). Sometime radar sites have incorrect range in the configuration (e.g. off by several kilometers), or the data can change. Plus, very probably I will be reworking the central/south american radar so probably this will be fixed to a degree :-), but still you can find these things often.
Ok, having spent more time troubleshooting, I believe the steps to reproduce are as follows:
Have a wide-gamut monitor
Create a custom color profile for the monitor and have Windows use that profile
Set gfx.color_management.mode in Firefox to option 1. (The default is 2.)
Continue with steps in previous post
That's a pretty narrow set of circumstances, but maybe someone else can reproduce.
Anyway, by making some tweaks, I think I have it working now.
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