We use a conditional deep convolutional generative adversarial network to predict the geopotential height of 500 hPa pressure level, two-meter temperature and total precipitation for next 24 h over Europe. The proposed models are trained on 4 years ERA5 reanalysis data from with goal associated meteorological fields in 2019. forecasts show good qualitative quantitative agreement true temperatur...

Commonly used horizontal diffusion and wavenumber truncation dealiasing methods in spectral models are verified using the National Center for Atmospheric Research Community Climate Model version 3. For the same horizontal grid resolution, time step, physical processes, boundary conditions, and initial conditions, the simulated climate, using the horizontal diffusion alone model, is better than ...

The China National Climate Center and Centers for Environmental Prediction data were used in this work. Using the knowledge of synoptic principles analysis, rain snow weather process middle east from December 28 to 30, 2020 was analyzed. results show that: 1) This a large-scale precipitation process. Affected by cold wave, temperature drops sharply, many places dropped below extreme value, acco...

The aim of the study is to analyze occurrence hot days and heat waves in Poland, their intra-annual distribution, long-term variability, present circulation factors favoring appearance extensive country. Hot were with Tmax not lower than threshold value defined by 95th percentile summer period 1961–1990. Atmospheric was described using sea level pressure, geopotential 700 500 hPa level, horizon...

In this study, a pattern detection method is applied on the RCP4.5 and RCP8.5 simulation outputs of seven GCMs—disseminated by Coupled Model Intercomparison Project Phase 5 (CMIP5)—to determine whether atmospheric teleconnection patterns detected in ERA-20C reanalysis from European Centre for Medium-Range Weather Forecasts (ECMWF) will be observable future projections CMIP5 GCMs. The technique—...

A statistical framework to evaluate the performance of chemistry-climate models with respect to the interaction between meteorology and column ozone during northern hemisphere mid-winter, in particularly January, is used. Different statistical diagnostics from four chemistry-climate models (E39C, ME4C, UMUCAM, ULAQ) are compared with the ERA-40 re-analysis. First, we analyse vertical coherence ...

We investigate the effects of solar forcing on North Atlantic (NA) summer climate, in climate simulations with Earth System Models (ESMs), over preindustrial past millennium (AD 850–1849). use one simulation and a four-member ensemble performed MPI-ESM-P CESM-LME models, respectively, forced only by low-scaling variations Total Solar Irradiance (TSI). apply linear methods (correlation regressio...

The Balearic Islands, as well as other Mediterranean regions, are occasionally affected by heavy rain events, which can produce numerous damages. This study contributes to improve the understanding of the dynamical mechanisms that produce heavy rain events by means of a classification of their related atmospheric patterns. Heavy rainfall dataset for the Balearic Islands and some gridded atmosph...

1. introduction while human habitation was formed as concentrated and stable communities, air pollution had become perceptible on human life. by passing of time and the improvement of thriving and particularly by the industrial revolution commencement, air pollution gradually has converted into an international issue, principally in the present times (ghanbari and azizi, 1388: 16). whereas air ...