In this study, weather patterns producing circulation features that result in poor air quality the Mexico City basin during dry season (November–May) were examined. Cluster analysis of 500-hPa winds for a 30-year period (1990–2019) identifies set are then used to explore daily anomalous concentrations ozone, nitrogen dioxide, and particulate matter. Above-normal levels pollution occur under inf...

The lack of open space due to land competition in the area which ultimately causes a gathering activities for community, so that with movement people who originally gathered spaces are now starting move or turn into modern malls. This certainly encourages development malls can be integrated public as place community. There several have been tried concept space, including Park Mall Solo, Kelapa ...

Abstract Accurate subseasonal-to-seasonal (S2S) weather forecasts are crucial to making important decisions in many sectors. However, significant gaps exist between the needs of society and what forecasters can produce, especially at weekly longer lead times. We hypothesize that by clustering atmospheric states into a number predefined categories, noise be reduced and, consequently, medium-rang...