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相关论文: Precipitation nowcasting of satellite data using p…

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Existing precipitation nowcasting methods typically adopt an autoregressive formulation, where future states are predicted from previous outputs. However, such an approach accumulates errors over long rollouts, causing forecasts to drift…

机器学习 · 计算机科学 2026-05-14 Penghui Wen , Yu Luo , Lintao Wang , Mengwei He , Patrick Filippi , Thomas Francis Bishop , Zhiyong Wang

Numerical weather prediction (NWP) models require ever-growing computing time/resources, but still, have difficulties with predicting weather extremes. Here we introduce a data-driven framework that is based on analog forecasting…

大气与海洋物理 · 物理学 2020-04-22 Ashesh Chattopadhyay , Ebrahim Nabizadeh , Pedram Hassanzadeh

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…

Knowing the actual precipitation in space and time is critical in hydrological modelling applications, yet the spatial coverage with rain gauge stations is limited due to economic constraints. Gridded satellite precipitation datasets offer…

信号处理 · 电气工程与系统科学 2023-08-04 Hristos Tyralis , Georgia Papacharalampous , Nikolaos Doulamis , Anastasios Doulamis

Climate change is intensifying rainfall extremes, making high-resolution precipitation projections crucial for society to better prepare for impacts such as flooding. However, current Global Climate Models (GCMs) operate at spatial…

机器学习 · 计算机科学 2024-12-20 Ran Lyu , Linhan Wang , Yanshen Sun , Hedanqiu Bai , Chang-Tien Lu

Regression algorithms are regularly used for improving the accuracy of satellite precipitation products. In this context, satellite precipitation and topography data are the predictor variables, and gauged-measured precipitation data are…

机器学习 · 计算机科学 2023-10-17 Georgia Papacharalampous , Hristos Tyralis , Nikolaos Doulamis , Anastasios Doulamis

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

While deep-learning downscaling algorithms can generate fine-scale climate projections cost-effectively, it is still unclear how well they will extrapolate to unobserved climates. We assess the extrapolation capabilities of a deterministic…

大气与海洋物理 · 物理学 2024-12-09 Neelesh Rampal , Peter B. Gibson , Steven Sherwood , Gab Abramowitz

Extreme weather amplified by climate change is causing increasingly devastating impacts across the globe. The current use of physics-based numerical weather prediction (NWP) limits accuracy due to high computational cost and strict…

Short-range prediction of convective precipitation from weather radar observations is essential for severe weather warnings. However, deep learning models trained with pixel-wise error metrics tend to produce overly smooth forecasts that…

机器学习 · 计算机科学 2026-04-28 Haofei Cui , Guangxin He , Juanzhen Sun , Jingjia Luo , Haonan Chen , Xiaoran Zhuang , Mingxuan Chen , Xian Xiao

Weather forecasting has long posed a significant challenge for humanity. While recent AI-based models have surpassed traditional numerical weather prediction (NWP) methods in global forecasting tasks, overfitting remains a critical issue…

机器学习 · 计算机科学 2025-05-21 Peisong Niu , Ziqing Ma , Tian Zhou , Weiqi Chen , Lefei Shen , Rong Jin , Liang Sun

This study presents a transfer-learning framework based on Convolutional Gated Recurrent Units (ConvGRU) for short-term rainfall prediction in the Weather4Cast 2025 competition. A single SEVIRI infrared channel (10.8 {\mu}m wavelength) is…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Anushree Bhuskute , Kaushik Gopalan , Jeet Shah

As climate change drives increased frequency and intensity of extreme precipitation and flooding worldwide, posing escalating threats to public safety and economic assets, accurate and real-time satellite-based precipitation estimation is…

大气与海洋物理 · 物理学 2025-12-18 Zijiang Song , Ting Liu , Lina Yuan , Yuying Li , Ao Xu , Xigang Sun , Ye Li , Feng Lu , Min Liu

Weather forecasting is a long standing scientific challenge with direct social and economic impact. The task is suitable for deep neural networks due to vast amounts of continuously collected data and a rich spatial and temporal structure…

The objective of this research is to develop techniques for assimilating GOES-R Series observations in precipitating scenes for the purpose of improving short-term convective-scale forecasts of high impact weather hazards. Whereas one…

大气与海洋物理 · 物理学 2020-04-20 Kyle A. Hilburn , Imme Ebert-Uphoff , Steven D. Miller

Obtaining high-resolution maps of precipitation data can provide key insights to stakeholders to assess a sustainable access to water resources at urban scale. Mapping a nonstationary, sparse process such as precipitation at very high…

应用统计 · 统计学 2023-02-08 Jiachen Zhang , Matthew Bonas , Diogo Bolster , Geir-Arne Fuglstad , Stefano Castruccio

Diffusion models are widely used in image generation because they can generate high-quality and realistic samples. This is in contrast to generative adversarial networks (GANs) and variational autoencoders (VAEs), which have some…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Xudong Ling , Chaorong Li , Fengqing Qin , Peng Yang , Yuanyuan Huang

Climate models struggle to accurately simulate precipitation, particularly extremes and the diurnal cycle. Here, we present a hybrid model that is trained directly on satellite-based precipitation observations. Our model runs at 2.8$^\circ$…

大气与海洋物理 · 物理学 2024-12-17 Janni Yuval , Ian Langmore , Dmitrii Kochkov , Stephan Hoyer

Current image de-raining methods primarily learn from a limited dataset, leading to inadequate performance in varied real-world rainy conditions. To tackle this, we introduce a new framework that enables networks to progressively expand…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Kunyu Wang , Xueyang Fu , Chengzhi Cao , Chengjie Ge , Wei Zhai , Zheng-Jun Zha

Human activities accelerate consumption of fossil fuels and produce greenhouse gases, resulting in urgent issues today: global warming and the climate change. These indirectly cause severe natural disasters, plenty of lives suffering and…

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