Arewacin Amurka yana cikin arewacin ɓangaren yammacin duniya. Nahiyar ta faɗi daga arewa zuwa kudu na fiye da kilomita dubu 7, kuma tana cikin yankuna masu yawa na yanayi.
Yanayin Arctic
A gabar arewacin nahiyar, a cikin Greenland da wani yanki na tsibirin Kanada, akwai yanayi mai tsayi. Ya mamaye gandun daji na arctic wanda aka rufe da kankara, tare da lichens da mosses suna girma a wurare. Yanayin hunturu ya banbanta tsakanin -32-40 digiri Celsius, kuma a lokacin rani bai wuce digiri + 5 ba. A cikin Greenland, sanyi zai iya sauka zuwa -70 digiri. A cikin wannan yanayi, iska mai bushewa da bushewa tana busawa koyaushe. Hawan shekara ba ya wuce mm 250, kuma galibi ana yin dusar ƙanƙara.
Belin karkashin ruwa ya mamaye Alaska da arewacin Kanada. A lokacin hunturu, yawan iska daga Arctic suna motsawa anan suna kawo tsananin sanyi. A lokacin rani, yawan zafin jiki na iya tashi zuwa digiri + 16. Yanayi na shekara shine 100-500 mm. Iska a nan matsakaiciya ce
Yanayin yanayi
Yawancin Arewacin Amurka suna da yanayi mai yanayi, amma wurare daban daban suna da yanayin yanayi daban-daban, ya danganta da laima. Raba wani yanki na ruwa a yamma, nahiya daya - a gabas da nahiya - a tsakiya. A bangaren yamma, yanayin zafin yakan canza kadan a duk shekara, amma akwai yawan hazo - 2000-3000 mm a shekara. A ɓangaren tsakiya, lokacin bazara suna da dumi, lokacin sanyi suna cikin sanyi, haka kuma matsakaita yanayin ruwa. A gabar gabas, lokacin sanyi ba su da sanyi sosai kuma lokacin bazara ba su da zafi, tare da kusan 1000 mm na hazo a shekara. Yankunan yankuna ma sun banbanta anan: taiga, steppe, hade da dazuzzuka.
A cikin yankin da ke kusa da kudancin Amurka da arewacin Mexico, lokacin sanyi ya yi sanyi kuma kusan yanayin zafi bai taɓa sauka ƙasa da digiri 0 ba. A lokacin hunturu, iska mai zafi mai zafi ta mamaye, kuma a lokacin bazara, busasshiyar iska mai zafi. A cikin wannan yanki na yankuna akwai yankuna uku: an maye gurbin canjin yanayin da Bahar Rum da kuma yanayin damina.
Yanayi mai zafi
Babban yanki na Amurka ta Tsakiya yana rufe da yanayin yanayi mai zafi. A duk cikin yankin, hazo iri daban-daban ya sauka anan: daga 250 zuwa 2000 mm a kowace shekara. Kusan babu lokacin sanyi anan, kuma kusan lokacin rani yana mulki kusan kowane lokaci.
Piecearamin yanki na Arewacin Amurka yana zaune ta yankin sararin samaniya. Yana da zafi a nan kusan kowane lokaci, hazo a lokacin bazara a cikin adadin 2000-3000 mm a shekara. Wannan yanayin yana da dazuzzuka, savannas, da dazuzzuka.
Arewacin Amurka ana samun sa a duk yankuna masu yanayi banda yankin Equatorial. Wani wuri akwai lokacin sanyin hunturu, lokacin zafi mai zafi, kuma a wasu yankuna, jujjuyawar yanayi a cikin shekara kusan ba a iya gani. Wannan yana shafar bambancin flora da fauna akan babban yankin.
