The Way Alphabet’s DeepMind Tool is Transforming Tropical Cyclone Forecasting with Speed

When Tropical Storm Melissa was churning off the coast of Haiti, weather expert Philippe Papin had confidence it would soon escalate to a monster hurricane.

As the primary meteorologist on duty, he predicted that in just 24 hours the weather system would become a severe hurricane and begin a turn in the direction of the Jamaican shoreline. Not a single expert had ever issued this confident forecast for quick intensification.

But, Papin possessed a secret advantage: AI technology in the form of Google’s recently introduced DeepMind cyclone prediction system – launched for the first time in June. True to the forecast, Melissa evolved into a system of remarkable power that ravaged Jamaica.

Increasing Reliance on AI Predictions

Meteorologists are heavily relying upon Google DeepMind. During 25 October, Papin clarified in his official briefing that Google’s model was a key factor for his confidence: “Roughly 40/50 AI ensemble members show Melissa becoming a Category 5 storm. While I am not ready to predict that strength yet given path variability, that remains a possibility.

“It appears likely that a period of rapid intensification will occur as the system moves slowly over very warm sea temperatures which represent the most extreme oceanic heat content in the entire Atlantic basin.”

Surpassing Traditional Systems

The AI model is the pioneer AI model focused on tropical cyclones, and now the first to outperform standard meteorological experts at their specialty. Across all 13 Atlantic storms this season, the AI is top-performing – surpassing human forecasters on track predictions.

The hurricane eventually made landfall in Jamaica at category 5 strength, among the most powerful landfalls recorded in nearly two centuries of record-keeping across the region. Papin’s bold forecast likely gave residents additional preparation time to prepare for the catastrophe, possibly saving lives and property.

The Way Google’s Model Works

Google’s model operates through spotting patterns that conventional time-intensive physics-based weather models may miss.

“The AI performs much more quickly than their traditional counterparts, and the computing power is more affordable and time consuming,” said Michael Lowry, a former forecaster.

“What this hurricane season has demonstrated in short order is that the newcomer artificial intelligence systems are on par with and, in some cases, superior than the less rapid physics-based forecasting tools we’ve relied upon,” Lowry added.

Clarifying AI Technology

It’s important to note, the system is an example of AI training – a technique that has been employed in research fields like weather science for a long time – and is distinct from creative artificial intelligence like ChatGPT.

Machine learning processes mounds of data and extracts trends from them in a manner that its system only takes a few minutes to come up with an result, and can operate on a desktop computer – in sharp difference to the primary systems that governments have utilized for decades that can require many hours to process and require some of the biggest high-performance systems in the world.

Expert Reactions and Upcoming Advances

Nevertheless, the reality that the AI could outperform earlier top-tier legacy models so rapidly is truly remarkable to weather scientists who have dedicated their lives trying to predict the world’s strongest storms.

“It’s astonishing,” commented James Franklin, a former forecaster. “The sample is sufficient that it’s pretty clear this is not just beginner’s luck.”

Franklin said that while the AI is beating all other models on forecasting the trajectory of hurricanes worldwide this year, similar to other systems it sometimes errs on high-end intensity forecasts inaccurate. It had difficulty with another storm previously, as it was also undergoing rapid intensification to maximum intensity north of the Caribbean.

During the next break, Franklin said he plans to discuss with the company about how it can enhance the DeepMind output even more helpful for forecasters by providing additional under-the-hood data they can use to assess exactly why it is coming up with its conclusions.

“The one thing that troubles me is that although these forecasts seem to be highly accurate, the results of the model is kind of a opaque process,” remarked Franklin.

Wider Sector Developments

Historically, no a private, for-profit company that has developed a top-level weather model which grants experts a view of its techniques – in contrast to nearly all systems which are offered free to the general audience in their full form by the authorities that created and operate them.

Google is not the only one in adopting artificial intelligence to solve challenging meteorological problems. The authorities also have their respective artificial intelligence systems in the works – which have demonstrated better performance over previous traditional systems.

Future developments in artificial intelligence predictions appear to involve startup companies tackling previously tough-to-solve problems such as sub-seasonal outlooks and improved advance warnings of tornado outbreaks and sudden deluges – and they have secured federal support to pursue this. One company, WindBorne Systems, is even launching its own atmospheric sensors to address deficiencies in the US weather-observing network.

Mark Fox
Mark Fox

A tech enthusiast and digital strategist with over a decade of experience in emerging technologies and innovation.