Here's your explanation: https://www.ecmwf.int/en/forecasts/dataset/machine-learning-model-data
Blog post here: https://www.ecmwf.int/en/about/media-centre/science-blog/2023/rise-machine-learning-weather-forecasting
The one I referenced uses Google's Deepmind.
Yeah, this ML one in particular shows a storm ...
https://charts.ecmwf.int/products/graphcast_medium-mslp-rain?base_time=202401120000&interval=6&projection=opencharts_north_america&valid_time=202401121200
This isn't part of the Euro itself. It's an ML model(s) that uses the Euro as an input to analyze and explain why the model sees what it does and 'learn' from it.
Last bit then the back edge getting ready to swing through. PWS gauge reads 2.55" for today. Thankfully not the 4-5" as forecast for the foothills of the BR. Little to no wind still at all.
Wind so far has not mixed down here at all. My max gust all day has been around 6mph on my PWS. Up to 1.85in on the rain gauge with some pretty hefty rates right now.