Here I update those web pages:
There is also a page that shows all the radars and if you go to "Config" on the Radar panel you can get some information also...
The interesting thing about this page is that it also shows the lightning strikes ... I know that Windy uses the information from (http://es.blitzortung.org/live_lightning_maps.php) but I don't know why this page doesn't show the information from South America. Because according to this page, the information is there.