---
title: AI model WeatherNext powers historic Hurricane Melissa fo...
description: "Via Google DeepMind Blog: In October 2025 Hurricane Melissa became the strongest storm ever to strike Jamaica, tying the all‑time Atlantic record. For the ..."
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### AI model WeatherNext powers historic Hurricane Melissa forecast

Google DeepMind Blog • May 15, 2026 at 11:14 PM ET

[×](/dev?tab=deepmind)

In October 2025 Hurricane Melissa became the strongest storm ever to strike Jamaica, tying the all‑time Atlantic record. For the first time forecasters projected a Category 5 hurricane from a nascent Category 1 system, thanks to Google DeepMind’s AI model **WeatherNext**. The model delivered a five‑day‑ahead forecast of rapid intensification with roughly 80 % confidence, giving officials crucial preparation time clearly.

Rapid intensification—winds jumping 35 mph in 24 hours—has long evaded reliable prediction. Traditional global models excel at track but miss the small‑scale thunderstorm engines that drive strength, while high‑resolution local runs capture intensity but lose the broader steering flow. **WeatherNext** bridges that gap by training on decades of global data and specialized cyclone archives, then running ensembles of 50 “what‑if” scenarios for each forecast.

Armed with the AI’s lead time, the **National Hurricane Center** coordinated with Jamaica’s Meteorological Service, deploying satellite feeds, hurricane‑hunter aircraft and the physics‑based HAFS model to refine the warning. Early evacuations saved lives and protected livelihoods, a tangible outcome the NHC cited in its 2025 verification report as the top‑performing model for both track and intensity. The success cements AI’s role in life‑saving forecasts.

[Read original article](https://deepmind.google/blog/how-weathernext-helped-the-national-hurricane-center-better-predict-hurricane-melissas-historic-landfall-in-jamaica/)

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