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The conditional generative adversarial rainfall model "cGAN" developed for the UK \cite{Harris22} was trained to post-process into an ensemble and downscale ERA5 rainfall to 1km resolution over three regions of the USA and the UK. Relative…

大气与海洋物理 · 物理学 2023-09-28 Fenwick C. Cooper , Andrew T. T. McRae , Matthew Chantry , Bobby Antonio , Tim N. Palmer

Extreme precipitation causes severe societal and economic damage, and weather control has long been discussed as a potential mitigation strategy. However, to the best of our knowledge, perturbation-based interventions for weather control…

机器学习 · 计算机科学 2026-05-15 Ayumu Ueyama , Kazuhiko Kawamoto , Hiroshi Kera

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

Forecasting compound floods presents a significant challenge due to the intricate interplay of meteorological, hydrological, and oceanographic factors. Analyzing compound floods has become more critical as the global climate increases flood…

机器学习 · 计算机科学 2025-06-06 Xu Zheng , Chaohao Lin , Sipeng Chen , Zhuomin Chen , Jimeng Shi , Wei Cheng , Jayantha Obeysekera , Jason Liu , Dongsheng Luo

Complex numerical weather prediction models incorporate a variety of physical processes, each described by multiple alternative physical schemes with specific parameters. The selection of the physical schemes and the choice of the…

数值分析 · 计算机科学 2018-02-23 Azam Moosavi , Vishwas Rao , Adrian Sandu

Precipitation prediction plays a crucial role in modern agriculture and industry. However, it poses significant challenges due to the diverse patterns and dynamics in time and space, as well as the scarcity of high precipitation events. To…

大气与海洋物理 · 物理学 2024-01-19 Xinzhe Li , Sun Rui , Yiming Niu , Yao Liu

Despite the importance of quantifying how the spatial patterns of extreme precipitation will change with warming, we lack tools to objectively analyze the storm-scale outputs of modern climate models. To address this gap, we develop an…

大气与海洋物理 · 物理学 2023-12-04 Griffin Mooers , Tom Beucler , Mike Pritchard , Stephan Mandt

The problem of forecasting weather has been scientifically studied for centuries due to its high impact on human lives, transportation, food production and energy management, among others. Current operational forecasting models are based on…

Weather prediction today is performed with numerical weather prediction (NWP) models. These are deterministic simulation models describing the dynamics of the atmosphere, and evolving the current conditions forward in time to obtain a…

应用统计 · 统计学 2020-03-18 Annette Möller , Jürgen Groß

Numerical weather prediction (NWP) models often underperform compared to simpler climatology-based precipitation forecasts in northern tropical Africa, even after statistical postprocessing. AI-based forecasting models show promise but have…

大气与海洋物理 · 物理学 2024-08-30 Athul Rasheeda Satheesh , Peter Knippertz , Andreas H. Fink

In recent years, AI-based weather forecasting models have matched or even outperformed numerical weather prediction systems. However, most of these models have been trained and evaluated on reanalysis datasets like ERA5. These datasets,…

Cloud cover is crucial information for many applications such as planning land observation missions from space. It remains however a challenging variable to forecast, and Numerical Weather Prediction (NWP) models suffer from significant…

Prompt and accurate precipitation forecast is very important for development management of regional water resource, flood disaster prevention and people's daily activity and production plan; however, non-linear and nonstationary…

神经与进化计算 · 计算机科学 2019-06-24 Hongya Li , Yuzhong Peng , Chuyan Deng , Yonghua Pan , Daoqing Gong , Hao Zhang

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

With a warming planet, tropical regions are expected to experience the brunt of climate change, with more intense and more volatile rainfall events. Currently, state-of-the-art numerical weather prediction (NWP) models are known to struggle…

机器学习 · 计算机科学 2025-07-18 Indrajit Kalita , Lucia Vilallonga , Yves Atchade

Precipitation forecasts are less accurate compared to other meteorological fields because several key processes affecting precipitation distribution and intensity occur below the resolved scale of global weather prediction models. This…

大气与海洋物理 · 物理学 2023-04-21 Rüdiger Brecht , Alex Bihlo

Climate models robustly imply that some significant change in precipitation patterns will occur. Models consistently project that the intensity of individual precipitation events increases by approximately 6-7%/K, following the increase in…

应用统计 · 统计学 2016-12-21 Won Chang , Michael L. Stein , Jiali Wang , V. Rao Kotamarthi , Elisabeth J. Moyer

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

Dynamical downscaling with high-resolution regional climate models may offer the possibility of realistically reproducing precipitation and weather events in climate simulations. As resolutions fall to order kilometers, the use of explicit…

应用统计 · 统计学 2018-08-01 Won Chang , Jiali Wang , Julian Marohnic , Rao Kotamarthi , Elisabeth J. Moyer

This study develops a neural network-based approach for emulating high-resolution modeled precipitation data with comparable statistical properties but at greatly reduced computational cost. The key idea is to use combination of low- and…

机器学习 · 计算机科学 2021-01-19 Jiali Wang , Zhengchun Liu , Ian Foster , Won Chang , Rajkumar Kettimuthu , Rao Kotamarthi