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Short-term prediction (nowcasting) of low-visibility and precipitation events is critical for aviation safety and operational efficiency. Current operational approaches rely on computationally intensive numerical weather prediction guidance…

Machine Learning · Computer Science 2025-12-23 Marcelo Cerda Castillo

Deep learning has been successfully applied to precipitation nowcasting. In this work, we propose a pre-training scheme and a new loss function for improving deep-learning-based nowcasting. First, we adapt U-Net, a widely-used deep-learning…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Jihoon Ko , Kyuhan Lee , Hyunjin Hwang , Seok-Geun Oh , Seok-Woo Son , Kijung Shin

Recently, many deep-learning techniques have been applied to various weather-related prediction tasks, including precipitation nowcasting (i.e., predicting precipitation levels and locations in the near future). Most existing…

Atmospheric and Oceanic Physics · Physics 2022-10-25 Jihoon Ko , Kyuhan Lee , Hyunjin Hwang , Kijung Shin

Precipitation nowcasting, predicting future radar echo sequences from current observations, is a critical yet challenging task due to the inherently chaotic and tightly coupled spatio-temporal dynamics of the atmosphere. While recent…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Thao Nguyen , Jiaqi Ma , Fahad Shahbaz Khan , Souhaib Ben Taieb , Salman Khan

A 'nowcast' is a type of weather forecast which makes predictions in the very short term, typically less than two hours - a period in which traditional numerical weather prediction can be limited. This type of weather prediction has…

Atmospheric and Oceanic Physics · Physics 2020-05-12 Rachel Prudden , Samantha Adams , Dmitry Kangin , Niall Robinson , Suman Ravuri , Shakir Mohamed , Alberto Arribas

Machine learning for time-series forecasting remains a key area of research. Despite successful application of many machine learning techniques, relating computational efficiency to forecast error remains an under-explored domain. This…

Machine Learning · Computer Science 2023-09-28 Elin Törnquist , Wagner Costa Santos , Timothy Pogue , Nicholas Wingle , Robert A. Caulk

Machine Learning for aviation weather is a growing area of research for providing low-cost alternatives for traditional, expensive weather sensors; however, in the area of atmospheric visibility estimation, publicly available datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Chad Mourning , Zhewei Wang , Justin Murray

Global navigation satellite systems (GNSS) station-based Precipitation Nowcasting aims to predict rainfall within the next 0-6 hours by leveraging a GNSS station's historical observations of precipitation, GNSS-PWV, and related…

Machine Learning · Computer Science 2026-01-13 Yifang Zhang , Shengwu Xiong , Henan Wang , Wenjie Yin , Jiawang Peng , Duan Zhou , Yuqiang Zhang , Chen Zhou , Hua Chen , Qile Zhao , Pengfei Duan

Nowcasting, the short-term prediction of weather, is essential for making timely and weather-dependent decisions. Specifically, precipitation nowcasting aims to predict precipitation at a local level within a 6-hour time frame. This task…

Machine Learning · Computer Science 2024-12-23 Haotian Li , Arno Siebes , Siamak Mehrkanoon

Accurate short-term precipitation forecasts predominantly rely on dense weather-radar networks, limiting operational value in places most exposed to climate extremes. We present TUPANN (Transferable and Universal Physics-Aligned Nowcasting…

Machine Learning · Computer Science 2025-11-12 Antônio Catão , Melvin Poveda , Leonardo Voltarelli , Paulo Orenstein

Adapting to the changing climate requires accurate local climate information, a computationally challenging problem. Recent studies have used Generative Adversarial Networks (GANs), a type of deep learning, to learn complex distributions…

Machine Learning · Computer Science 2024-06-06 Kiri Daust , Adam Monahan

Precipitation nowcasting is an important task for weather forecasting. Many recent works aim to predict the high rainfall events more accurately with the help of deep learning techniques, but such events are relatively rare. The rarity is…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Ashesh , Buo-Fu Chen , Treng-Shi Huang , Boyo Chen , Chia-Tung Chang , Hsuan-Tien Lin

Short-term precipitation nowcasting is an inherently uncertain and under-constrained spatiotemporal forecasting problem, especially for rapidly evolving and extreme weather events. Existing generative approaches rely primarily on visual…

Machine Learning · Computer Science 2026-05-15 Xudong Ling , Chaorong Li , Tianxi Huang , Qian Dong , Guiduo Duan

Precipitation nowcasting based on radar echoes plays a crucial role in monitoring extreme weather and supporting disaster prevention. Although deep learning approaches have achieved significant progress, they still face notable limitations.…

Machine Learning · Computer Science 2025-10-28 Kaiyi Xu , Junchao Gong , Wenlong Zhang , Ben Fei , Lei Bai , Wanli Ouyang

Precipitation nowcasting, which predicts rainfall up to a few hours ahead, is a critical tool for vulnerable communities in the Global South frequently exposed to intense, rapidly developing storms. Timely forecasts provide a crucial window…

Optical turbulence, driven by fluctuations of the atmospheric refractive index, poses a significant challenge to ground-based optical systems, as it distorts the propagation of light. This degradation affects both astronomical observations…

Instrumentation and Methods for Astrophysics · Physics 2026-03-26 Mary Joe Medlej , Rahul Srinivasan , Simon Prunet , Aziz Ziad , Christophe Giordano

Accurate forecasting of extreme weather events such as heavy rainfall or storms is critical for risk management and disaster mitigation. Although high-resolution radar observations have spurred extensive research on nowcasting models,…

Machine Learning · Computer Science 2026-02-09 Changhoon Song , Teng Yuan Chang , Youngjoon Hong

Deep-learning precipitation nowcasting models are often optimized using pointwise losses such as mean squared error or mean absolute error, which can lead to overly smooth forecasts and poor representation of heavy rainfall. This study…

Machine Learning · Computer Science 2026-05-29 Gijs van Nieuwkoop , Siamak Mehrkanoon

Accurate nowcasting of convective clouds from satellite imagery is essential for mitigating the impacts of meteorological disasters, especially in developing countries and remote regions with limited ground-based observations. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Haoming Chen , Xiaohui Zhong , Qiang Zhai , Xiaomeng Li , Ying Wa Chan , Pak Wai Chan , Yuanyuan Huang , Hao Li , Xiaoming Shi

Accurate forecasting of river water levels is vital for effectively managing traffic flow and mitigating the risks associated with natural disasters. This task presents challenges due to the intricate factors influencing the flow of a…

Machine Learning · Computer Science 2025-10-21 Sungchul Hong , Yunjin Choi , Jong-June Jeon
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