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Envision's Tianji Weather Model Triumphs

Envision, a forerunner in green technology, has recently demonstrated its remarkable prowess in weather forecasting through its independently developed model, the Envision Tianji. This innovative model has secured the top position in the latest AI Weather Quest, a global competition orchestrated by the European Centre for Medium-Range Weather Forecasts (ECMWF). This achievement solidifies Tianji's status as a benchmark for Physics-AI forecasting, outperforming nearly 20 other elite teams from around the world.

Superior Performance in Complex Metrics

In this competition, the Tianji model excelled across all evaluated metrics, including variable-averaged near-surface temperature, mean sea level pressure, and precipitation forecasts within a 19–25 day window. The AI Weather Quest methodology emphasizes ongoing real-time forecasting and verification, focusing on sustained performance amid various weather conditions, making this win particularly significant.

The evaluation process involved the submission of weekly forecasts by competing teams, which were then compared against actual weather data. Participants had to demonstrate their model's effectiveness not only over short-term but also longer-term forecasting horizons, presenting a challenge that Tianji successfully navigated.

Consistent Top Tier Results

This latest success follows a streak of impressive performances by the Tianji model, including notable placements in the recent WeatherBench 2 evaluation, where it matched the capabilities of Google’s WeatherNext2 model. Tianji also achieved first place in the deterministic forecast track during the AI Weather Forecast Model Demonstration Program held by China’s National Meteorological Center. Furthermore, it has proven invaluable in energy applications, clinching top positions in load forecasting competitions organized by the State Grid and China Southern Power Grid.

Mastery of Subseasonal Forecasting

Commenting on the achievement, Robert Zheng, the head of Envision’s Tianji Weather Foundation Model, highlighted the challenges of subseasonal forecasting—covering periods from two weeks to two months. He stated, “The longer the forecast horizon, the greater the atmospheric uncertainties, demanding advanced models capable of identifying evolving trends.” This underscores the significant role that Tianji plays in accurately predicting weather patterns, especially given its reliance on a comprehensive data network and high-performance computing.

The Groundbreaking Physics-AI Model

The Tianji model is hailed as the world’s first physics-AI weather prediction model, designed to leverage extensive, petabyte-scale datasets and implement a ‘space-air-ground’ three-dimensional data network, thereby enhancing its forecasting capabilities dramatically. Its ability to provide quick and accurate short-term forecasts, as well as thorough global insights into weather patterns, sets it apart from conventional models.

With coverage extending from minute-level nowcasting to longer-term subseasonal predictions, Tianji equips businesses and organizations with essential meteorological intelligence, enabling efficient real-time monitoring and planning for future conditions.

A Future of Accurate Weather Forecasting

Envision’s Tianji continues to pave the way for precise weather forecasting through its innovative framework, achieving a remarkable blend of accuracy and reliability. As it progresses, the technology promises to revolutionize how we understand and predict weather, providing potentially life-saving information and guiding strategic decisions in various sectors, particularly in energy and resource management. As the demand for advanced weather forecasting technology grows, Envision stands poised to lead the charge, setting new standards for all following models to aspire to.

In summary, the successful performance of Envision's Tianji model not only showcases its technological advancements but also illustrates the profound impact AI and physics can have on environmental predictions.

With this continuous evolution, there is great anticipation for how Tianji will influence global weather forecasting in the years to come.