The Satellite image has Isobar lines but only relative to the latest Isobar chart for the area. There is no history. The Isobar lines are not accurate for the Sat image date and time. The isobar lines don't move as you hit play. The is no accurate Isobar lines for the Sat images in archives either

If you take the latest heavy rain in Valencia Spain on the 29th Oct 2024, there is not a lot of colour difference between the heavy rain radar image and the not so heavy rain. The colour range needs to be more so we can easily identify heavy rain.