Yanayin nahiya wani yanki ne na yankuna masu damina da yawa, wanda yake halayyar babban yankin duniya, nesa da tekun da gabar tekun. Yankin mafi girma na yanayin duniya ya mamaye yankin Eurasia da yankuna ciki na Arewacin Amurka. Manyan yankuna na yanayi na yankuna sune hamada da tuddai. Anan yankin bashi da isasshen zafi. A cikin wannan yankin, lokacin bazara yana da tsawo kuma yana da zafi ƙwarai, yayin da damuna ke sanyi da kaifi. Akwai ƙarancin yanayin hazo.
Beltananan bel na duniya
A cikin yanayin canjin yanayi, ana samun nau'in nau'in nahiyoyi. Akwai babban bambanci tsakanin matsakaicin lokacin bazara da mafi ƙarancin hunturu. Yayin rana, akwai mahimmin amplitude na canjin canjin yanayin zafi, musamman a lokacin bazara. Saboda ƙarancin zafi a nan, akwai ƙura da yawa, kuma guguwar ƙura na faruwa ne saboda tsananin guguwar iska. Babban adadin hazo ya faɗi a lokacin bazara.
Yanayin ƙasa a cikin wurare masu zafi
A cikin wurare masu zafi, bambancin zafin jiki ba mahimmanci bane, kamar yadda yake a yankin mai yanayin yanayi. Matsakaicin zafin bazara ya kai +40 digiri Celsius, amma hakan na faruwa har da mafi girma. Babu lokacin hunturu anan, amma a lokacin mafi tsananin sanyi zafin ya sauka zuwa digiri + 15. A kadan adadin hazo fadi a nan. Duk wannan yana haifar da gaskiyar cewa an kafa hamada rabin sahara a cikin wurare masu zafi, sannan kuma hamada a cikin yanayin yankin.
Yanayin ƙasa na yankin polar
Yankin polar shima yana da yanayin nahiya. Akwai babban amplitude na sauyin zafin jiki. Lokacin hunturu yana da tsauri sosai kuma yana da tsayi, tare da sanyin -40 digiri da ƙasa. An yi ƙarancin mafi ƙarancin matakin a -65 digiri Celsius. Lokacin bazara a cikin sararin samaniya a ɓangaren duniya yana faruwa, amma yana da ɗan gajeren lokaci.
Dangantaka tsakanin nau'ikan yanayi daban-daban
Yanayin nahiya yana haɓaka cikin ƙasa kuma yana hulɗa tare da yankuna da yawa. An lura da tasirin wannan yanayin a sassan yankunan ruwa da suke kusa da babban yankin. Yanayin nahiyyar yana ba da wata ma'amala da yanayin damina. A lokacin hunturu, yawan iska na nahiyoyi ya mamaye, kuma a lokacin bazara, yawan ruwan teku. Duk wannan ya nuna a sarari cewa kusan babu nau'ikan yanayi masu tsafta a doron ƙasa. Gabaɗaya, yanayin nahiya yana da tasirin gaske akan samuwar yanayin yankuna makwabta.
