Atmósfera, founded by Dr. Julian Adem, pioneer of the atmospheric sciences in Mexico, began almost as a one-man venture 25 years ago (on April 1, 1988), publishing four articles per issue. Very soon after the first number it was clear…

As the new Editor in Chief of Atmósfera, I want to acknowledge the efforts and great work of Dr. Graciela B. Raga, who has recently finished a prolific two-year term as head of this journal. Dr. Raga has extended the…

MOTIVADOS POR UN RECIENTE TRABAJO PUBLICADO EN ESTA REVISTA POR MARCHUK Y SKIBA (1992), PRESENTAMOS UNA BREVE DESCRIPCIÓN DEL DESARROLLO DEL MÉTODO ADJUNTO DE ANÁLISIS DE SENSIBILIDAD, DESTACANDO SUS LIMITACIONES Y APLICABILIDAD TANTO A SISTEMAS LINEALES COMO A LOS NO…

Air temperature data of Belgrade are analysed to point out the variations caused by natural events and human activities. In particular, the influence of the growth of the city on the minimum average temperature is evident., LOS DATOS DE LA…

Based on 5-day mean OLR analysis the present study describes the annual cycle of the convective activity over Mexico and the surrounding maritime environs. Results show that the onset of the rainy season in the study region occurs in two…

Twenty-five years ago to this date, Atmósfera joined the already established journals in the field of the atmospheric sciences and provided a new venue for the dissemination of results of research in that area.

We are very thankful to Dr. Graciela B. Raga and her coeditors for the preparation of this thematic issue, which initiates the celebration of Atmósfera's 25th anniversary.

In this anniversary issue of Atmósfera we include an excellent revision of the literature on chlorine in the stratosphere prepared by Thomas von Clarmann, who is a senior researcher and head of the Satellite-Borne Remote Sensing of Trace Gases group…

The year 2014 will be full of challenges for all who are devoted to atmospheric sciences. The weather events of 2013 warn us that the effects of climate change are becoming increasingly severe. In Mexico, for example, for the first…

The photo-oxidation of n-butane and trans-but-2-ene is simulated under conditions of constant irradiation (normal incidence zero zenith angle) at sea level and at the altitude of Mexico City (2234 m). The object is to understand step by step the effect…