Yanayin Vancouver

Birnin Vancouver, wanda ke cikin British Columbia, Kanada, yana da sauyin yanayi na teku (Köppen climate classification Cfb). Watanni na rani yawanci bushe ne kuma mai dumi, yayin da sauran shekara ruwan sama ne, musamman tsakanin Oktoba da Maris. Yankin yana da girgije da sararin sama a ƙarshen kaka, hunturu, da bazara.

Kamar sauran yankunan British Columbia Coast, birnin yana da sauƙin Alaska Current, wanda ya samo asali ne a cikin halin yanzu na Arewacin Pacific kuma, har zuwa wani lokaci, tsaunuka na tsibirin Vancouver zuwa yamma sun kare shi.

 Yanayi gabaɗaya 
Yanayin yanayi na Vancouver ya shafi dukan yankin Greater Vancouver kuma ba kawai ga Birnin Vancouver ba. Duk da yake wurin da ke bakin tekun Vancouver yana aiki don daidaita yanayin zafi, Iska ta teku da tsaunuka suna sanya Babban Vancouver yanki na microclimates, tare da bambancin yanayi na gida wani lokacin yana da yawa fiye da waɗanda suka samu a wasu yankunan bakin teku.

Hasashen hazo a cikin Babban yankin Vancouver yana da rikitarwa musamman.  Ka'idar babban yatsa ce cewa kowane tsayin mita 100 (330 ft) a tsayi, ana samun ƙarin milimita 100 (3.9 in) (inci 1.2 (30 mm) a kowace ƙafa 100 (30 m)) na hazo, don haka wurare irin su Gundumar Arewacin Vancouver a kan tsaunin Arewa Shore suna samun ruwan sama.  Dusar ƙanƙara tana da matsala ga masana yanayi don hasashen saboda yanayin zafi da ya rage kusa da daskarewa yayin abubuwan dusar ƙanƙara.
Matsakaicin zafin jiki na shekara-shekara a Vancouver shine  ° C (51.8 ° F) a cikin gari da  ° C (50.7 ° F) A Filin jirgin saman Vancouver da ke Richmond. Landan yana daya daga cikin mafi zafi a Kanada. Babban Vancouver yana cikin yankin tsayayyar tsire-tsire na USDA 8,  kama da sauran biranen bakin teku ko kusa da bakin teku kamar Seattle, Portland, Amsterdam, da London, da kuma wurare kamar Dallas, Texas da Raleigh, North Carolina, da nisa zuwa kudu (duk da haka, waɗannan wurare suna da kwanakin digiri masu girma saboda lokacin rani mai zafi). Yanayin yanayi mai sauƙi yana kiyaye shuke-shuke kamar Windmill Palm, an san shi ne Itacen dabino mafi tsayi a duniya. Lokacin girma na Vancouver yana da matsakaicin kwanaki 221, daga Maris 29 har zuwa Nuwamba 5. Wannan ya fi na Toronto kwanaki 72 tsawo, kuma ya fi na kowane babban birni a Kanada.

Duk da lokacin sanyi na tsaka-tsaki na yau da kullun (don layinsa) saboda kwararar iska ta bakin teku akan Arewacin Pasifik na yanzu, squamish sanyi lokaci-lokaci ko fitar da Arctic (nutsewar iska mai sanyi wacce ke gangarowa ta gabar Tekun Fraser Valley) a cikin hunturu na iya wuce mako guda ko fiye.  Wadannan fitar da Arctic suna faruwa a matsakaita sau ɗaya zuwa sau uku a kowace hunturu.  Watan mafi sanyi da aka yi rikodin a Filin Jirgin Sama na Kasa da Kasa na Vancouver shine Janairu 1950 lokacin da iskar Arctic ta shigo daga Kwarin Fraser kuma ya kasance a kulle a cikin birni, tare da matsakaicin matsakaicin -9.7 °C (14.5 °F) da matsakaicin tsayi kawai -2.9 °C (26.8 °F), wanda ke yin matsakaicin kullum na −6.3.7 °C.  (18 °F) sanyi fiye da na al'ada.  Mafi girman zafin jiki da aka taɓa gani a cikin birni shine -18.3 °C (-0.9 °F) a ranar 29 ga Disamba, 1968.  Yawan zafin jiki mafi sanyi a fadin Metro Vancouver, duk da haka, shine -23.3 ° C (-10 ° F) da aka rubuta a Pitt Meadows a ranar 23 ga Janairu, 1969.

Tare da dusar ƙanƙara ta kasance mai saurin faruwa a cikin sanyi zuwa hunturu mai sauƙi, furanni masu yawa masu tsayayya da sanyi suna ci gaba da fure kuma sun zama ruwan dare a cikin lambuna da waje na ofis a duk lokacin hunturu. Sau da yawa ana lura da zuwan bazara a ƙarshen Fabrairu tare da ɗan yanayin zafi da kuma dawowar furanni masu fure. Har ila yau, ba sabon abu ba ne ga itatuwan cherry su fara fure daga baya a cikin watan, kamar yadda aka gani a lokacin Wasannin Olympics na hunturu na 2010. Koyaya, a wasu shekaru akwai kuma dusar ƙanƙara da yanayin sanyi.

Yankin Greater Vancouver kuma yana ƙarƙashin bambance-bambance masu mahimmanci a yanayin zafi na lokacin rani, wanda zai iya bambanta da kusan 5-10 ° C (9-18 ° F) tsakanin yankunan cikin gida na kwarin Fraser da yankunan bakin teku masu yanayin teku lokacin da iska ta bakin teku ke aiki. Sabanin haka, yanayin hunturu yana da sanyi a cikin ƙasa da digiri biyu.

 Hasken rana 
Babban latitude na 49 ° 15 '0 "N (kamar Paris, Faransa, a 48 ° 85 '66 ") yana nufin faɗuwar rana tun da wuri a karfe 4:10 na yamma kuma faɗuwar anyanwụ a karfe 8:12 na safe. Daga Nuwamba zuwa Fabrairu, a tashar auna hasken rana a filin jirgin sama a Richmond, a matsakaita fiye da kashi 70% na gajeren lokacin rana gaba ɗaya yana da hazo. Kashi na girgije ya fi girma a Vancouver kuma musamman a Arewacin Kogin saboda iskõki masu tasowa da ke hawa kan tsaunuka suna haifar da ci gaban girgije. A cikin hunturu na yau da kullun, Vancouver tana da karancin hasken rana fiye da kowane babban birni a Kanada.

Duk da yake yana da ɗan gajeren lokaci, lokacin rani, ya bambanta, ana nuna shi ta hanyar kusan yanayin yanayi, tare da matsin lamba da hasken rana. Yuli da Agusta sune watanni mafi yawan rana. Kusa da lokacin rani, akwai kasa da awanni 8 tsakanin faɗuwar rana da fitowar rana, wanda a hade tare da mafi yawan British Columbia kiyaye Lokacin adana hasken rana yana nufin cewa fararen hula na iya wucewa 10 na yamma.

 Filin jirgin saman Vancouver 

 1941-1970 na al'ada 

 Ruwan sama 

 Ruwan sama 
Vancouver ita ce birni na uku mafi yawan ruwan sama a Kanada, tare da kwanaki 169 na ruwan sama a kowace shekara. Kamar yadda aka auna  jirgin saman Vancouver a Richmond, Vancouver tana karɓar   in) na ruwan sama a kowace shekara. A Arewacin Vancouver, kimanin  (12  daga filin jirgin saman Vancouver, adadin ruwan sama ya sami ninki biyu zuwa   in) a kowace shekara kamar yadda aka auna a gindin Grouse Mountain.

Tun da Vancouver ba ta da lokacin rani mai zafi, guguwa ba ta da yawa. Hadari ba su da yawa, tare da matsakaicin kwanaki 6.1 na tsawa a kowace shekara. Lokacin yankan ciyawa sau da yawa yakan fara a watan Maris kuma ya ci gaba har zuwa Oktoba. Lokacin rani na iya zama bushewa sosai, kuma, saboda haka, ciyawa da ba a shayar da ita ba bazai buƙatar a yanke shi na wata ɗaya ko ma fiye da haka ba. Yuli da Agusta na iya wucewa makonni da yawa ba tare da ruwan sama ba. Yuli.2021 bai sami ruwan sama ba kwata-kwata. Sabanin sauran Julys da Augusts na iya samun kwanaki da yawa a jere. Bugu da kari, Vancouver tana daya daga cikin biranen da suka fi bushewa a Kanada a lokacin bazara, amma sauran shekara babban matsin lamba da ke kulle a lokacin rani yana motsawa kuma ana maye gurbinsa da tsarin matsin lamba na yau da kullun (yanayin ruwan sama) ta hanyar faɗuwa zuwa tsakiyar bazara. Yanayi a lokacin bazara da kaka yawanci yana da ruwan sama, sanyi, kuma yana da duhu.

Yuli shine watan da ya fi bushewa a Vancouver kuma, a zahiri, Filin jirgin saman Vancouver bai rubuta ruwan sama ba  watan Yulin 20;  karo na farko da aka taɓa yin rikodin tarihi. Sauran Julys da yawa sun rubuta kasa da 1  in) na ruwan sama a Vancouver.

 Snow 
Dusar ƙanƙara tana faɗowa a wurare mafi tsayi na Greater Vancouver, kamar Burnaby Mountain, Coquitlam, da Arewa da Yammacin Vancouver, kowane hunturu.  Hakanan yana da yawa a wurare kusa ko a matakin teku, duk da haka a cikin ƙananan kuɗi.  Akwai rashin fahimta tsakanin maziyarta da mazauna wasu sassa na Kanada cewa Vancouver ba ya samun dusar ƙanƙara kwata-kwata, amma a zahiri ba a taɓa samun shekara guda da ba a ga dusar ƙanƙara da za a iya ganowa ba a filin jirgin sama na Vancouver.  Shekarar 2015 ta yi bikin cika shekara da dusar ƙanƙara da ba za a iya aunawa ba;  kawai an yi rikodi ne a ranar 17 ga Disamba, 2015. Muhalli Kanada ya sanya Vancouver a matsayi na 3 a ƙarƙashin rukunin "mafi ƙarancin dusar ƙanƙara" tsakanin manyan biranen Kanada 100 a matsayin matsakaicin ranakun shekara tare da dusar ƙanƙara sama da santimita 0.2 (0.08 in) yana cikin kwanaki 8.7 kawai.[1]  Yanayin bakin teku na Vancouver duk da haka ya ba shi damar kasancewa a matsayi na 59 a ƙarƙashin nau'in "Mafi yawan manyan kwanakin dusar ƙanƙara (25 cm ko fiye)", yana sanya shi sama da biranen kamar Calgary da Toronto kamar yadda Vancouver ya kai kwanaki 0.13 a kowace shekara tare da tarin dusar ƙanƙara sama da santimita 25 (9.8 in) (a cikin kalanda da da.).[<span title="&nbsp;Dead link tagged January 2017">dead link</span>]

Snow a Vancouver yana da kyau sosai, wanda, haɗe da yanayin zafi na hunturu da ke tashi sama da faɗuwa ƙasa da  ° C (32 ° F) a duk tsawon rana, na iya haifar da yanayin hanya mai sanyi.

Shekaru ko watanni tare da dusar ƙanƙara da ta wuce   in) ba cikakke ba ne. Snowfall sama da   in) ya faru sau biyu  shekarun 1990, kuma,  Janairu 1971 kadai, akwai fiye da   in) na dusar ƙanƙara. Shekarar da ta fi dusar ƙanƙara a rikodin  jirgin saman Vancouver ita ce 1971, wanda ya sami jimlar   in),  kuma zurfin dusar ƙara da aka ruwaito ya kasance   in) a ranar 15 ga Janairu na wannan shekarar.

Kodayake 30-  in) wanda ya fadi a fadin Greater Vancouver da Lower Mainland  sa'o'i 24 a watan Nuwamba 2006  ya kasance daga cikin talakawa, dusar ƙanƙara a zahiri ta tara a matakin teku a duk watanni ban da Yuni, Yuli, da Agusta. Koyaya, ko da ƙananan dusar ƙanƙara a yankin Vancouver na iya haifar da rufe makaranta, da kuma haifar da matsalolin zirga-zirga. Rashin yawan dusar ƙanƙara yana da wuyar tabbatar da kayan aikin jama'a da ake buƙata don cire dusar ƙara mai inganci, kamar yadda birni yawanci yana cikin yanayin narkewa tun kafin a kammala aikin noma tituna. Kasafin kudin City yana da $ 400,000 a kowace shekara don kula da kayan aikin Cire dusar ƙanƙara, don sayen gishiri mai ƙanƙanta, da kuma horar da ma'aikata, amma farashin cire dusarƙara na ainihi ana tallafawa daban daga kudaden ajiyar gaggawa, kuma sun bambanta sosai daga kakar zuwa kakar. Misali, an kashe dala miliyan 1.1 a shekarar 1998, idan aka kwatanta da $ 0 a shekara ta 2001. Girgizar sama ba ta da yawa, amma abubuwan da suka faru na dusar ƙanƙara sun fi yawa. Ɗaya daga cikin irin wannan taron a cikin 1996 ya haifar da sama da 60  in) na dusar ƙanƙara a Vancouver kuma yana da alhakin miliyoyin daloli a cikin lalacewa.

Dangane da Muhalli da Canjin Yanayi Kanada (2011), Vancouver yanzu yana da damar 20% na Farin Kirsimeti (daga 11%).[1].  Vancouver ya sami farin Kirsimeti a cikin 2008 bayan makonni na rikodin yanayin sanyi da guguwar dusar ƙanƙara huɗu a jere, wanda ya bar dusar ƙanƙara sama da santimita 60 (in) a ƙasa a cikin Metro Vancouver.  Sabuwar dusar ƙanƙara kuma ta taru a jajibirin Kirsimeti da ranar Kirsimeti yana ba ta taken Kirsimeti mafi fari a Kanada a 2008 tare da santimita 41 (inci 16) a ƙasa (santimita 48 (19 in) a lokaci ɗaya a jajibirin Kirsimeti).  Dusar ƙanƙara kuma tana nan don Kirsimeti 2007, lokacin da aka auna santimita 1 (0.39 in) a filin jirgin sama na Vancouver.  Kirsimati na fari na hukuma da ya gabata ya faru ne a cikin 1998 lokacin da dusar ƙanƙara ta kasance santimita 20 (7.9 in) a ƙasa a ranar Kirsimeti bin santimita 31 (in) na dusar ƙanƙara da milimita 20 (0.79 in) na ruwan sama.  Duk da yawan dusar ƙanƙara a wasu lokuta na yanayi (wanda ba a san shi ba), gabaɗaya, dusar ƙanƙara ta shekara ta ragu a cikin shekaru 20 da suka gabata..

 Yanayi mai tsanani 
Gales ba zai yiwu ba a lokacin watanni na kaka a Greater Vancouver. Guguwa uku na iska a tarihin birnin sun rushe manyan bishiyoyi a cikin gandun daji na Stanley Park, na farko ya faru a watan Oktoba 1934, tare da guguwa a watan Janairu mai zuwa wanda ya kara tasirinsa. Guguwar iska ta biyu da ta kai Stanley Park ita ce ragowar Typhoon Freda a cikin 1962 wanda ya rushe wani yanki na  na gandun daji. Wannan yanzu shafin yanar gizon karamin hanyar jirgin kasa ne na wurin shakatawa.
A watan Nuwamba na shekara ta 2006, yankin Greater Vancouver ya sami sama da matsakaicin matakan ruwan sama da dusar ƙanƙara, ya karya rikodin da aka kafa a baya na   in) lokacin da   in) na ruwan sama ya fadi  kwanaki 16 na farko na watan. Ruwan sama mai yawa ya wanke turɓaya a cikin tafkuna birni, kuma, a sakamakon haka, an shawarci kamfanoni da yawa su daina ba da abin sha da aka shirya daga ruwan famfo saboda gurɓataccen ruwa.

jirgin saman Vancouver, an rubuta dusar ƙanƙara   in) daga daren Nuwamba 25 zuwa safiyar Nuwamba 27. Yawan zafin jiki ya sauka zuwa -12 ° C ( ° F) a ranar 28 ga Nuwamba,  ° C (3.2 ° F) sama da rikodin rikodin ranar, wanda aka saita a watan Nuwamba 1985. A ranar 29 ga watan Nuwamba, karin dusar ƙanƙara 10  in) ya fadi a kan birnin. Ruwan dusar ƙanƙara ya haifar da rufe cibiyoyin jama'a da yawa kuma ya haifar da katsewar wutar lantarki a duk faɗin Surrey da Langley.

Hadarin Hanukkah Hauwa'u na shekara ta 2006 ya ratsa Babban Vancouver a ranar 15 ga Disamba, 2006, tare da iskõki sun kai daga 70 zuwa 125 km / h (43 zuwa 78 . A Stanley Park, ya lalata ko ya tumɓuke itatuwa sama da 5,000, kuma ya haifar da yaduwar laka, ɗaya daga cikinsu ya lalata wani ɓangare na bangon teku. Ana sa ran lalacewar inshora a duk lardin zai kai CA $ 40 miliyan kuma ana sa ran gyaran Stanley Park zai kashe $ 9 miliyan.

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