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We seek statistical methods to study the occurrence of multiple rain types observed by satellite on a global scale. The main scientific interests are to relate rainfall occurrence with various atmospheric state variables and to study the…

Applications · Statistics 2018-01-03 Mikyoung Jun , Courtney Schumacher , R. Saravanan

Recent self-supervised stereo matching methods have made significant progress, but their performance significantly degrades under adverse weather conditions such as night, rain, and fog. We identify two primary weaknesses contributing to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Yun Wang , Junjie Hu , Junhui Hou , Chenghao Zhang , Renwei Yang , Dapeng Oliver Wu

The variability induced by precipitable water vapour (PWV) can heavily affect the accuracy of time-series photometric measurements gathered from the ground, especially in the near-infrared. We present here a novel method of modelling and…

We compare, for the overlapping time frame 1962-2000, the estimate of the northern hemisphere (NH) mid-latitude winter atmospheric variability within the XX century simulations of 17 global climate models (GCMs) included in the IPCC-4AR…

Atmospheric and Oceanic Physics · Physics 2011-10-11 Valerio Lucarini , Sandro Calmanti , Alessandro Dell'Aquila , Paolo M. Ruti , Antonio Speranza

Regression-based frameworks for streamflow regionalization are built around catchment attributes that traditionally originate from catchment hydrology, flood frequency analysis and their interplay. In this work, we deviated from this…

Methodology · Statistics 2022-06-22 Georgia Papacharalampous , Hristos Tyralis

Due to heavy congestion in lower frequency bands, engineers are looking for new frequency bands to support new services that require higher data rates, which in turn needs broader bandwidths. To meet this requirement, extremely high…

Signal Processing · Electrical Eng. & Systems 2017-10-30 S Md Sakir Hossain , Md Atiqul Islam

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…

Atmospheric and Oceanic Physics · Physics 2024-08-30 Athul Rasheeda Satheesh , Peter Knippertz , Andreas H. Fink

Image super-resolution is an important research area in computer vision that has a wide variety of applications including surveillance, medical imaging etc. Real-world signal image super-resolution has become very popular now-a-days due to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Mohammad Shahab Uddin

Bias correction is a common pre-processing step applied to climate model data before it is used for further analysis. This article introduces an efficient adaptation of a well-established bias-correction method - quantile mapping - for…

Applications · Statistics 2024-06-03 Maggie D. Bailey , Douglas W. Nychka , Manajit Sengupta , Soutir Bandyopadhyay

Brown dwarf spectra are rich in information revealing of the chemical and physical processes operating in their atmospheres. We apply a recently developed atmospheric retrieval tool to an ensemble of late T-dwarf (600-800K) near infrared…

This paper presents a deep learning architecture for nowcasting of precipitation almost globally every 30 min with a 4-hour lead time. The architecture fuses a U-Net and a convolutional long short-term memory (LSTM) neural network and is…

Machine Learning · Computer Science 2024-02-06 Reyhaneh Rahimi , Praveen Ravirathinam , Ardeshir Ebtehaj , Ali Behrangi , Jackson Tan , Vipin Kumar

Rain attenuates Ku-band satellite signals by up to 20~dB, encoding precipitation information along the Earth-space slant path. This paper derives the Bayesian Cram\'{e}r-Rao bound (BCRB) for rain rate estimation from LEO broadband OFDM…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Haofan Dong , Houtianfu Wang , Hanlin Cai , O. Tansel Baydas , Ozgur B. Akan

Understanding how vegetation loss alters rainfall remains a major challenge in climate and hydrological science, as deforestation modifies precipitation through heterogeneous, seasonal and nonlinear land-atmosphere feedbacks. Existing…

Atmospheric and Oceanic Physics · Physics 2026-05-13 Lilly Horvath-Makkos , Fayyaz Minhas

Reliable precipitation monitoring is essential for disaster risk reduction, water resources management, and agricultural decision-making. Multi-source satellite observations, particularly the combination of geostationary infrared and…

Atmospheric and Oceanic Physics · Physics 2026-05-15 Yunfan Yang , Haofei Sun , Xiuyu Sun , Wei Han , Xiaoze Xu , Xingtao Song , Jun Li , Zhiqiu Gao , Wei Huang , Hao Li

The underground rates of cosmic-ray muons exhibit seasonal variations correlated with effective atmospheric temperature, quantified via a single coefficient. We compare two analysis methods for studying the correlation: the standard…

High Energy Physics - Experiment · Physics 2026-05-05 Bangzheng Ma , Katherine Dugas , Kam-Biu Luk , Juan Pedro Ochoa-Ricoux , Bedřich Roskovec , Qun Wu

Neural networks are a promising technique for parameterizing sub-grid-scale physics (e.g. moist atmospheric convection) in coarse-resolution climate models, but their lack of interpretability and reliability prevents widespread adoption.…

Atmospheric and Oceanic Physics · Physics 2020-12-30 Noah D. Brenowitz , Tom Beucler , Michael Pritchard , Christopher S. Bretherton

In the backdrop of a revolution in weather prediction by Numerical Weather Prediction (NWP) models, quantitative prediction of intensity of heavy rainfall events and associated disasters has remained a challenge. Encouraged by compelling…

A recurrent question in climate risk analysis is determining how climate change will affect heavy precipitation patterns. Dividing the globe into homogeneous sub-regions should improve the modelling of heavy precipitation by inferring…

Methodology · Statistics 2021-11-02 Philomène Le Gall , Anne-Catherine Favre , Philippe Naveau , Alexandre Tuel

Effective water resource management depends on accurate projections of flows in water channels. For projected climate data, use of different General Circulation Models (GCM) simulates contrasting results. This study shows selection of GCM…

Atmospheric and Oceanic Physics · Physics 2026-02-16 Saad Ahmed Jamal , Ammara Nusrat , Muhammad Azmat , Muhammad Osama Nusrat

Visual geo-localization for drones faces critical degradation under weather perturbations, \eg, rain and fog, where existing methods struggle with two inherent limitations: 1) Heavy reliance on limited weather categories that constrain…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Jiahao Wen , Hang Yu , Zhedong Zheng