Googles weather prediction engine is already very good, and the new hurricane model was breathtakingly good this season when tested against actual hurricane paths. Meanwhile, the US Government Global Forecasting System continues to get worse.

https://arstechnica.com/science/2025/11/googles-new-weather-...

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jasonmarks_ 7 hours ago | parent [-]

> Global Forecasting System continues to get worse

What do you mean?

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tylervigen 6 hours ago | parent [-]

It's the subtitle of the article they linked to.

But to expand: the US flagship forecast model just had its worst year predicting hurricanes since 2005. The trend of errors over the last few years hasn't been great.

	▲	jasonmarks_ 6 hours ago \| parent [-]
		More objectively it reads as if none of the models performed well outside of 24 hours with a significant uptick in inaccuracy after 72 hours.