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Designing early warning system for precipitation requires accurate short-term forecasting system. Climate change has led to an increase in frequency of extreme weather events, and hence such systems can prevent disasters and loss of life.…

大气与海洋物理 · 物理学 2023-12-11 Ajitabh Kumar

Accurate time series forecasting models are often compromised by data drift, where underlying data distributions change over time, leading to significant declines in prediction performance. To address this challenge, this study proposes an…

系统与控制 · 电气工程与系统科学 2025-12-30 Nikhil Pawar , Guilherme Vieira Hollweg , Akhtar Hussain , Wencong Su , Van-Hai Bui

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…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Jihoon Ko , Kyuhan Lee , Hyunjin Hwang , Seok-Geun Oh , Seok-Woo Son , Kijung Shin

Precipitation nowcasting plays a pivotal role in socioeconomic sectors, especially in severe convective weather warnings. Although notable progress has been achieved by approaches mining the spatiotemporal correlations with deep learning,…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Junchao Gong , Siwei Tu , Weidong Yang , Ben Fei , Kun Chen , Wenlong Zhang , Xiaokang Yang , Wanli Ouyang , Lei Bai

Predicting precipitation maps is a highly complex spatiotemporal modeling task, critical for mitigating the impacts of extreme weather events. Short-term precipitation forecasting, or nowcasting, requires models that are not only accurate…

Conventional hurricane track generation methods typically depend on biased outputs from Global Climate Models (GCMs), which undermines their accuracy in the context of climate change. We present a novel dynamic bias correction framework…

大气与海洋物理 · 物理学 2025-05-05 Reda Snaiki , Teng Wu

With the highly demand of large-scale and real-time weather service for public, a refinement of short-time cloudage prediction has become an essential part of the weather forecast productions. To provide a weather-service-compliant cloudage…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Chao Tan , Xin Feng , Jianwu Long , Li Geng

Short-term precipitation forecasting remains challenging due to the difficulty in capturing long-term spatiotemporal dependencies. Current deep learning methods fall short in establishing effective dependencies between conditions and…

机器学习 · 计算机科学 2024-10-18 ChaoRong Li , XuDong Ling , YiLan Xue , Wenjie Luo , LiHong Zhu , FengQing Qin , Yaodong Zhou , Yuanyuan Huang

We present the encoder-forecaster convolutional long short-term memory (LSTM) deep-learning model that powers Microsoft Weather's operational precipitation nowcasting product. This model takes as input a sequence of weather radar mosaics…

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…

机器学习 · 计算机科学 2023-09-28 Elin Törnquist , Wagner Costa Santos , Timothy Pogue , Nicholas Wingle , Robert A. Caulk

Precipitation nowcasting remains challenging due to the highly localized, rapidly evolving, and heterogeneous nature of atmospheric dynamics. Although recent methods increasingly adopt attention-based architectures in both unimodal and…

机器学习 · 计算机科学 2026-05-14 Penghui Wen , Zexin Hu , Sen Zhang , Patrick Filippi , Xiaogang Zhu , Allen Benter , Thomas Bishop , Zhiyong Wang , Kun Hu

Time series forecasting always faces the challenge of concept drift, where data distributions evolve over time, leading to a decline in forecast model performance. Existing solutions are based on online learning, which continually organize…

机器学习 · 计算机科学 2025-12-19 Lifan Zhao , Yanyan Shen

Earth system forecasting has traditionally relied on complex physical models that are computationally expensive and require significant domain expertise. In the past decade, the unprecedented increase in spatiotemporal Earth observation…

机器学习 · 计算机科学 2023-12-29 Zhihan Gao , Xingjian Shi , Boran Han , Hao Wang , Xiaoyong Jin , Danielle Maddix , Yi Zhu , Mu Li , Yuyang Wang

Precipitation nowcasting is a vital spatio-temporal prediction task for meteorological applications but faces challenges due to the chaotic property of precipitation systems. Existing methods predominantly rely on single-source radar data…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Chunlei Shi , Hao Li , Yufeng Zhu , Boyu Liu , Yongchao Feng , Zengliang Zang , Hongbin Wang , Yanlan Yang , Dan Niu

Very short-term convective storm forecasting, termed nowcasting, has long been an important issue and has attracted substantial interest. Existing nowcasting methods rely principally on radar images and are limited in terms of nowcasting…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Wei Zhang , Wei Li , Lei Han

Time series forecasting serves as an essential tool for many real-world applications, supporting tasks such as resource optimization and decision-making. Despite significant architectural advancements, most modern models still treat…

机器学习 · 计算机科学 2026-05-12 Sheng Pan , Ming Jin , Bo Du , Shirui Pan

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…

机器学习 · 计算机科学 2024-12-23 Haotian Li , Arno Siebes , Siamak Mehrkanoon

Policy design in non-stationary Markov Decision Processes (MDPs) is inherently challenging due to the complexities introduced by time-varying system transition and reward, which make it difficult for learners to determine the optimal…

机器学习 · 计算机科学 2025-11-17 Ziyi Zhang , Yorie Nakahira , Guannan Qu

Precipitation nowcasting based on radar data plays a crucial role in extreme weather prediction and has broad implications for disaster management. Despite progresses have been made based on deep learning, two key challenges of…

机器学习 · 计算机科学 2024-02-08 Junchao Gong , Lei Bai , Peng Ye , Wanghan Xu , Na Liu , Jianhua Dai , Xiaokang Yang , Wanli Ouyang

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…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Thao Nguyen , Jiaqi Ma , Fahad Shahbaz Khan , Souhaib Ben Taieb , Salman Khan