Jauhn Etienne Villaruel

People residing by the river rush to evacuate with their belongings as Typhoon Ambo hits the town of Atimonan, in Quezon province on May 15, 2020. George Calvelo, ABS-CBN News/File

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Agence France-Presse

<div><span class="fr-img-caption fr-fic fr-dib"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/174791141974720200515-ambo-atimonan-quezon-GC-1942.jpg" class="fr-fic fr-dib"/><span class="fr-inner" style="text-align:left">People residing by the river rush to evacuate with their belongings as Typhoon Ambo hits the town of Atimonan, in Quezon province on May 15, 2020. <em>George Calvelo, ABS-CBN News/File</em></span></span></span></div><p>PARIS, France — Microsoft has developed an artificial intelligence (AI) model that beats current forecasting methods in tracking air quality, weather patterns, and climate-addled tropical storms, according to findings published Wednesday.</p><div><a href="https://www.abs-cbn.com/news/2024/11/14/from-kristine-to-pepito-6-cyclones-batter-ph-one-after-another-2209">From Kristine to Pepito: 6 cyclones batter PH one after another</a></div><p>Dubbed Aurora, the new system -- which has not been commercialized -- generated 10-day weather forecasts and predicted hurricane trajectories more accurately and faster than traditional forecasting, and at lower costs, researchers reported in the journal Nature.</p><p>&quot;For the first time, an AI system can outperform all operational centrs for hurricane forecasting,&quot; said senior author Paris Perdikaris, an associate professor of mechanical engineering at the University of Pennsylvania.</p><p>Trained only on historical data, Aurora was able to correctly forecast all hurricanes in 2023 more accurately than operational forecasting centers, such as the US National Hurricane Center.</p><div><a href="https://www.abs-cbn.com/news/2024/11/20/super-typhoon-pepito-leaves-9-persons-dead-p266m-in-agricultural-damages-1628">Super Typhoon Pepito leaves 9 persons dead, P266M in agricultural damages</a></div><p>Traditional weather predicting models are designed on first physical principles -- such as conservation of mass, momentum and energy -- and require massive computer power.</p><p>The computational costs of Aurora were several hundred times lower, the study said.</p><div><a href="https://www.abs-cbn.com/news/technology/2025/3/31/computer-pioneer-microsoft-turns-50-in-the-age-of-ai-1021">Computer pioneer Microsoft turns 50 in the age of AI</a></div><p>The experimental results follow on the heels of the Pangu-Weather AI model developed and unveiled by Chinese tech giant Huawei in 2023, and could herald a paradigm shift in how the world&#x27;s major weather agencies forecast weather and potentially deadly extreme events exacerbated by global warming.</p><div><strong>&#x27;HOLY GRAIL&#x27;</strong></div><p>&quot;I believe that we&#x27;re at the beginning of a transformation age in air system science,&quot; Perdikaris said in a video presentation distributed by Nature.</p><p>&quot;In the next five to 10 years the holy grail is how to build systems that can directly work with observations from remote sensing sources like satellites and weather stations to generate forecasts at high resolution anywhere we like.&quot;</p><div><a href="https://www.abs-cbn.com/news/weather-traffic/2024/12/6/google-says-ai-weather-model-masters-15-day-forecast-0821">Google says AI weather model masters 15-day forecast</a></div><p>According to its designers, Aurora is the first AI model to consistently outperform seven forecasting centers in predicting the five-day trajectory of devastating cyclones.</p><p>In its simulation, for example, Aurora correctly forecast four days in advance where and when Doksuri (Super Typhoon Egay) -- the most costly typhoon ever recorded in the Pacific -- would hit the Philippines.</p><div><a href="https://www.abs-cbn.com/news/08/02/23/egay-death-toll-climbs-to-27">Egay death toll climbs to 27; over 2.8 million affected</a></div><p>Official forecasts at the time, in 2023, had it heading north of Taiwan.</p><p>Microsoft&#x27;s AI model also outperformed the European Centre for Medium-Range Weather Forecasts (ECMWF) model in 92 percent of cases for 10-day global forecasts, on a scale of approximately 10 square kilometers (3.86 square miles).</p><p>The ECMWF, which provides forecasts for 35 European countries, is considered the global benchmark for weather accuracy.</p><p>In December, Google announced that its GenCast model had surpassed the European center&#x27;s accuracy in more than 97 percent of the 1,320 climate disasters recorded in 2019.</p><p>These promising performances -- all experimental and based on observed events -- are being closely scrutinized by weather agencies.</p><p>Several, including Meteo-France, are developing their own AI learning models alongside traditional digital models.</p><div><a href="https://www.abs-cbn.com/news/nation/2025/3/28/photojournalist-s-series-on-overlapping-typhoons-bags-world-press-photo-award-1026">Filipino photojournalist&#x27;s series on overlapping typhoons bags World Press Photo award</a></div><p>&quot;This is something we have taken very seriously,&quot; Florence Rabier, Director General of the ECMWF, told AFP.</p><p>Their first &quot;learning model&quot;, made available to member states in February, is &quot;about 1,000 times less expensive in terms of computing time than the traditional physical model&quot;, she added.</p><p>While operating as a lower resolution (30 sq km) than Aurora, the ECMWF model is already operational.</p><div><strong>— By Benjamin Legendre, Agence France-Presse</strong></div><div><strong>RELATED VIDEO</strong></div><div><span class="fr-video fr-deletable fr-fvc fr-dvb fr-draggable" contenteditable="false" draggable="true"><iframe width="640" height="360" src="https://www.youtube.com/embed/J6GDMNln4CM?&amp;wmode=opaque&amp;rel=0" frameBorder="0" allowfullscreen="" class="fr-draggable"></iframe></span><br/></div>

<p>In its simulation, Aurora correctly forecast 4 days in advance where and when Doksuri (Super Typhoon Egay) would hit the Philippines.</p>

In its simulation, Aurora correctly forecast 4 days in advance where and when Doksuri (Super Typhoon Egay) would hit the Philippines.

Microsoft AI weather forecast faster, cheaper, truer: study

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Microsoft AI weather forecast faster, cheaper, truer: study

Agence France-Presse

Published May 22, 2025 07:08 PM PHT

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