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Yanayin Calgary

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Yanayin Calgary

Calgary tana da ɗanɗanar yanayi na nahiya na rabin damina (Koppen: Dwb, Trewartha: Dclo bordering Dcbo), tare da dumi, rigar lokacin rani da sanyi, bushewa, amma yanayin sanyi mai saurin canzawa.[1] Birnin yana da matsakaicin zafin jiki daga 16.9 °C (62.4 °F) a watan Yuli zuwa -7.6 °C (18.3 °F) a cikin Janairu. Matsakaicin yanayin zafi a filin jirgin saman Springbank (dan kadan yammacin Calgary) yana daga 15.3 °C (59.5 °F) a watan Yuli zuwa -8.4 °C (16.9 °F) a cikin Janairu.[2] Rikodin babban zafin jiki shine 36.7 °C (98.1 °F), wanda aka gudanar a ranar 10 ga Agusta, 2018, kuma rikodin ƙarancin zafin jiki shine -45.0 °C (−49.0 °F), wanda aka gudanar a ranar 4 ga Fabrairu, 1893.[3] Duk da haka, a cikin 'yan shekarun nan, saboda sauyin yanayi, ƙananan yanayin zafi na shekara yakan yi shawagi tsakanin -25 °C (-13 ° F) da -36 ° C (-33 °F).[4]

Lokacin sanyi yana da sanyi, kuma zafin iska yana faɗuwa zuwa ko ƙasa -20 °C (-4 °F) na kwanaki 22 na shekara a matsakaici, kuma ƙasa da -30 °C (-22 °F) na kwanaki 3.7 na shekara akan matsakaita. Wadannan yanayin zafi suna yawan karyewa ta hanyar busasshiyar iskar chinook da ke kadawa cikin Alberta bisa tsaunuka. Waɗannan iskoki na iya ɗaga zafin lokacin sanyi da 20 ° C (36 ° F), kuma har zuwa 30 ° C (54 ° F) a cikin 'yan sa'o'i kaɗan, wanda zai iya ɗaukar kwanaki da yawa. Makusancin Calgary da Dutsen Rocky shima yana shafar yanayin sanyi tare da cakuda ƙasa da ƙasa, kuma yana ƙoƙarin haifar da sanyi mai sanyi don birni a Lardunan Prairie. Hakanan yanayin sanyin iska yana shafar yanayin zafi; Matsakaicin saurin iskar Calgary shine 14.2 km/h (8.8 mph), ɗaya daga cikin mafi girma a cikin biranen Kanada.[7] A lokacin rani, yanayin zafin rana yana tashi daga 10 zuwa 25 ° C (50 zuwa 77 ° F) kuma ya wuce 30 ° C (86 ° F) na matsakaicin kwanaki 5.1 a watan Yuni, Yuli, da Agusta, kuma lokaci-lokaci har zuwa ƙarshen Satumba ko farkon Mayu. Sakamakon girman girman Calgary da bushewar rana, kwanakin bazara ba su da ɗanshi, sabanin sauran manyan biranen Kanada. Maraice na lokacin rani kuma yakan yi sanyi, tare da matsakaicin matsakaicin yanayin kowane wata yana kaiwa 9 zuwa 10 ° C (48 zuwa 50 °F) a cikin watannin bazara.

Watan da ya fi ruwan sanyi shine Yuni tare da matsakaicin hazo na milimita 112.7 (4.44 in), yayin da watan mafi bushewa shine Janairu tare da matsakaicin hazo na milimita 10.0 (0.39 in).[4]. Filin jirgin sama na kasa da kasa na Calgary a yankin arewa maso gabas na birni yana karɓar matsakaicin 418.8 mm (16.49 in) na hazo kowace shekara, tare da 326.4 mm (12.85 in) na abin da ke faruwa a cikin yanayin ruwan sama, da 128.8 cm (50.7 in) a matsayin dusar ƙanƙara. Mafi yawan ruwan sama yana faruwa a watan Yuni kuma mafi yawan dusar ƙanƙara a watan Maris. Calgary kuma ya yi rikodin dusar ƙanƙara kowane wata na shekara. Dusar ƙanƙara ta ƙare a watan Yuli 15 ga Yuli, 1999. Ƙananan adadin hazo a Calgary, idan aka kwatanta da sauran biranen kamar Toronto, Vancouver, da Montreal, kuma yana ba Calgary yanayi kusa da yanayin sanyi mai sanyi (Koppen: BSk, Trewartha: BSlo iyakar Bsbo).[5]

Tsawa na iya zama akai-akai kuma wani lokacin mai tsanani,[12] tare da yawancinsu suna faruwa a cikin watannin bazara. Calgary yana cikin Alberta's Hailstorm Alley kuma yana da saurin lalata ƙanƙara a kowane ƴan shekaru. Guguwar ƙanƙara da ta afku a Calgary a ranar 7 ga Satumba, 1991, na ɗaya daga cikin bala'o'i mafi barna a tarihin Kanada, tare da asarar sama da dala miliyan 400. Haka kuma guguwar ƙanƙara ta sake afkuwa a birnin, wanda ya faru a ranar 13 ga Yuni, 2020, wanda ya jawo asarar dala biliyan 1.3. Wani kuma ya faru a ranar 5 ga Agusta, 2024, ya zama abu na biyu mafi tsada a tarihin Kanada, har zuwa Mayu 2025, wanda ya haifar da lalacewa dala biliyan 3.25. Kasancewa yammacin layin busasshen a mafi yawan lokuta, guguwa ba kasafai ake samun su ba a yankin.

Calgary yana da ranaku mafi tsananin rana a duk shekara a cikin manyan biranen Kanada 100, tare da ɗanɗano sama da kwanaki 332 na rana; tana da matsakaicin sa'o'i 2,396 na hasken rana a kowace shekara, tare da matsakaicin yanayin zafi na 55% a cikin hunturu da 45% a lokacin rani (15:00 MST).

Calgary ya faɗi cikin NRC Plant Hardiness Zone 4a[16] da USDA zone 4b, kamar yadda ba kamar yankunan NRC ba, yankunan USDA sun dogara ne kawai akan ƙananan zafin jiki. Matsakaicin ƙarancin zafin jiki na Calgary shine -31.5 °C (-24.7 °F), wanda zai faɗi ƙarƙashin yankin USDA 4b.

Calgary yana da ɗan gajeren lokacin girma, yana ɗaukar kwanaki 115 tsakanin Mayu 23 da Satumba 15 akan matsakaita.

A ranar 15 ga Nuwamba, 2021, Majalisar Birnin Calgary ta kada kuri'a don ayyana dokar ta-baci. Sanarwar gaggawar yanayi wani kuduri ne da wata hukuma mai mulki kamar majalisar birni ta zartar. Yana sanya ƙaramar hukuma a rikodin don tallafawa matakan gaggawa don magance sauyin yanayi da kuma sanin saurin da matakan da ake buƙata.[6]

Manazarta

[gyara sashe | gyara masomin]
  1. ↑ Szeto, Kit K. (2008). "Variability of Cold-Season Temperatures in the Mackenzie Basin". In Woo, M. (ed.). Cold Region Atmospheric and Hydrologic Studies. The Mackenzie GEWEX Experience. Berlin, Heidelberg.: Springer. pp. 61–82. doi:10.1007/978-3-540-73936-4_4. ISBN 978-3-540-73935-7.
  2. ↑ Canadian Climate Normals 1981-2010 Station Data - Climate - Environment and Climate Change Canada". climate.weather.gc.ca. September 25, 2013. Retrieved July 24, 2020
  3. ↑ Canadian Climate Normals 1991-2020". Environment and Climate Change Canada. Retrieved February 8, 2025.
  4. ↑ Lowest Temperatures in Calgary by Year". www.extremeweatherwatch.com. Retrieved 2025-02-12.
  5. ↑ Arid and Semi-arid Region Landforms - Geology (U.S. National Park Service)". www.nps.gov. Retrieved 2025-02-08.
  6. ↑ When to Plant Vegetables in Calgary, AB". garden.org. Retrieved 2025-03-05
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