Elementary Meteorology, Volume 1

absolute humidity altitude anticyclonic ascending currents Atlantic atmosphere barometer belt breeze calm cause centrifugal force changes of temperature charts circulation cirrus cirrus clouds climate clouds coast cold cold wave colors condensation convectional cooling Cumulo-nimbus cumulus clouds cyclonic center cyclonic storms decrease descending dew-point direction diurnal doldrums earth eastward equator equatorial explained fall greater ground heat equator height hence high pressure humidity inches increase inflow insolation isobaric surfaces isothermal charts isotherms land latent heat latitudes layers less low pressure lower air mass mean miles motion mountain movement night northern obliquely observations occur ocean particles polar pole produced radiation rain rainfall rays regions rise rotation sea-level season snow southerly southern hemisphere summer sunset temperate zone thunder storms tornadoes torrid zone trade wind tropical cyclones upper air valley vapor variation velocity warm waves weather westerly winds western whirl winter