AI Post-Processing Tool Extends Extreme Weather Warnings From 10 Days to 6 Weeks
LesterMackey · x · 2026-10-15
Gizmodo reports on a new AI paper describing a "wrapper" post-processing tool that can extend extreme weather warnings from the usual 10 days up to 6 weeks ahead.
Traditional numerical models like ECMWF and AI models such as Google DeepMind's WeatherNext family struggle in the 2-6 week "subseasonal" range due to accumulating simulation errors. The new post-processing approach significantly improves forecasts in this window. The research, involving Lester Mackey, could be valuable for disaster preparedness—citing events like Winter Storm Uri, which caused 246 deaths in Texas in 2021.
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