A novel stepwise regression method for predicting September Pan-Arctic sea-ice extent: Comparison with long short-term memory neural networks
Available online 17 October 2025
Accurately forecasting the Pan-Arctic sea-ice extent (SIE) in September is crucial for understanding climate change impacts and ensuring safe Arctic navigation. This study introduces the SWR DY-method,...
Tibetan Plateau darkening exacerbates summer heatwaves through land–atmosphere feedbacks
Available online 17 October 2025
The Tibetan Plateau (TP) has experienced significant surface darkening under global warming, concurrent with an increase in TP heatwave occurrences in recent decades. Using reanalysis data, the authors...
Quantitative attribution analysis of dynamical and radiative processes to the record-breaking western Russian heatwave
Available online 16 October 2025
A record-breaking heatwave struck western Russia in summer 2010, accompanied by the warmest surface temperature anomalies during 1980–2022. Utilizing an updated climate feedback-response analysis method,...
Improved prediction skill of winter cold extremes in eastern China from autumntime phase reversal of Kuroshio Extension SST anomalies
Available online 16 October 2025
Accurately predicting wintertime cold extremes in China is vital for energy management and disaster preparedness. To the best of our knowledge, multiple tropical and mid–high latitude precursors have...
A rain effect elimination approach using FengYun-3E WindRAD dual-frequency measurements
Available online 13 October 2025
Satellite scatterometers play a vital role in providing sea surface wind observations and can help to understand air–sea interaction. The wind radar (WindRAD) mounted on FengYun-3E (FY-3E) with Ku and...
Improving hail nowcasting using multi-source data and a WMHDA-enhanced DIFF-Transformer
Available online 3 October 2025
HailPre is a deep learning framework developed for accurate 60-minute hail nowcasting at 10-minute intervals, tailored for regions with complex terrain and imbalanced hail event distributions. It integrates...
State of China’s climate in 2024
September 2025
The year 2024 witnessed remarkable climatic anomalies across China, characterized by pronounced warm and wet conditions. The annual mean temperature soared to a record high since 1951, with seasonal...
State of the climate over the Three Gorges Region of the Yangtze River basin in 2024
September 2025
The Three Gorges Region (TGR) of the Yangtze River basin exhibited warm and dry climatic characteristics in 2024. The annual mean temperature in the TGR was 18.6 °C, which was 1.2 °C above normal and...
Impact of deforestation on precipitation extremes in China based on land use model intercomparison project models
September 2025
Deforestation has a significant influence on the hydrological cycle. Understanding the impact of deforestation on precipitation extremes is crucial for addressing global environmental challenges. This...
Characteristics and possible causes of the Meiyu over the Yangtze–Huaihe River Basin in 2023
September 2025
The Meiyu in the Yangtze–Huaihe River basin (YHRB) in 2023 was featured by delayed onset and retreat, a shorter duration, and below-normal Meiyu precipitation. The relatively weak cold air invading...
The strongest early-summer drought–flood abrupt alternation event over the Huang–Huai–Hai River Basin in 2024 since the 1980s: Perspective of anomalous subseasonal circulation evolution
September 2025
Since the 21st century, the Huang–Huai–Hai River Basin (HHHRB) in China has experienced increased frequency and severity of drought–flood abrupt alternation (DFAA) events during early summer, characterized...
Skillful bias correction of offshore near-surface wind field forecasting based on a multi-task machine learning model
September 2025
Accurate short-term forecast of offshore wind fields is still challenging for numerical weather prediction models. Based on three years of 48-hour forecast data from the European Centre for Medium-Range...
Trends and characteristics of global CH4 emissions: Insights from UNFCCC greenhouse gas inventories
September 2025
The trends and characteristics of global CH4 emissions were analyzed using greenhouse gas data reported by both Annex I and non-Annex I countries under the United Nations Framework Convention on Climate...
Subseasonal impact of extreme Tibetan Plateau snow cover on the local atmosphere in summer
September 2025
Due to the high elevation and cold climate of the Tibetan Plateau, the western region retains extensive snow cover during the summer, which can exhibit rapid variability over the course of just a few...
Evaluation of surface wind speed over East Asia and the adjacent ocean in three reanalyses using satellite and in-situ observations
September 2025
Surface wind speed (SWS) not only plays a crucial role in regulating the Earth's energy and hydrological cycle, but also is an important source of sustainable renewable energy. This study assesses the...
A non-ENSO driver of the South China Sea winter monsoon: North Pacific sea ice
September 2025
The South China Sea winter monsoon (SCSWM), an integral component of the East Asian winter monsoon, connects extratropical and tropical regions. Utilizing ERA5 reanalysis and PAMIP simulations, the...
Impacts of observation-based cloud droplet size distributions on the simulation of warm stratiform precipitation using a double-moment microphysics scheme
September 2025
A double-moment cloud microphysics scheme requires an assumption for cloud droplet size distributions (DSDs). However, since observations of cloud DSDs are limited, default values for shape parameters...
Compound extreme events and health risks in China: A review
September 2025
Against the backdrop of global warming, China has been facing increasingly frequent and severe extreme weather and climate events, with a prominent risk of compound extreme events induced by interactions...
Evaluation of the Pangu model in forecasting rapid intensification of tropical cyclones
Available online 30 September 2025
To validate the Pangu model’s forecasting capability for the rapid intensification (RI) process of tropical cyclones (TCs), forecasts of different RI/non-RI TCs were produced both by the Weather Research...
Warming of the northern tropical Atlantic intensifies aridity in southeastern Africa
Available online 30 September 2025
October precipitation in southeastern Africa (SEA) is crucial as it marks the initiation of agricultural and hydrological activities. This study investigates the mechanism linking warming sea surface...
On the interpretability and CO2 sensitivity of machine learning–based stomatal conductance models
Available online 30 September 2025
Stomatal conductance (gs), which quantifies the openness of stomata in leaves, is a critical parameter for modeling transpiration in land surface models. While machine learning (ML) approaches may improve...
Buoyancy component coefficient in second-order closure models for scalar fluxes in stable boundary layers
Available online 29 September 2025
The absence of a theoretical description of the stability dependence of the buoyancy component coefficient poses challenges for parameterizing turbulent transport in stably stratified atmospheric boundary...
Impacts of isolated hills on daytime shallow convective clouds in southeastern China
Available online 25 September 2025
Shallow-convective clouds (SCCs) play important roles in the Earth system. Previous studies have mostly focused on SCCs over the oceans or over the plains. This study, however, focused on SCCs over...
Simulated carbon cycle response to ocean iron fertilization and artificial ocean alkalinization
Available online 23 September 2025
Ocean iron fertilization (OIF) and artificial ocean alkalinization (AOA) are two proposed ocean-based carbon dioxide removal methods to mitigate the effects of anthropogenic climate change. In this...
On adiabatic heat sources/sinks driving the heating/cooling of a single column of compressible atmosphere
Available online 20 September 2025
A theoretical description of adiabatic sources and sinks of heat in the atmosphere is presented, based on a simplified analytical solution to the problem of equilibrium in a single column of compressible...