Centuries: 18th century - 19th century - 20th century
Decades: 1790s 1800s 1810s 1820s 1830s - 1840s - 1850s 1860s 1870s 1880s 1890s
Years: 1838 1839 1840 1841 1842 - 1843 - 1844 1845 1846 1847 1848
Arts, Sciences, Literature and Philosophy
... currents causes local breezes, winds, cyclones and thunderstorms.
Heat is lost from the rising air through radiation into space.
See also weather.
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