Meteorološke pojave
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Meteorološke pojave ili meteorološki elementi su veličine kojima se prikazuje fizikalno stanje atmosfere i fizikalne pojave u njoj. Glavne meteorološke pojave dijele se na pojave koji ponajviše ovise o djelovanju Sunca (jakost i trajanje Sunčeva zračenja, temperatura zraka), na one pojave koji određuju stanja i promjene mehaničke naravi uz utjecaj sile teže (tlak zraka i vjetar) i na pojave koje su u vezi s vodenom parom u atmosferi (vlaga zraka, oblaci, oborine). U meteorološke pojave ubrajaju se također toplinsko zračenje atmosfere i Zemlje, vodoravna vidljivost, snježni pokrivač, optičke i električne pojave u atmosferi i drugo. Meteorološke pojave utječu jedne na druge, a njihove se vrijednosti mijenjaju vremenski i od mjesta do mjesta. Skup vrijednosti meteoroloških pojava na određenome mjestu u određenome trenutku naziva se vrijeme. Vrijednosti meteoroloških pojava određuju se redovito mjerenjem i motrenjem na meteorološkim postajama.[1]
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