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Yanayin yankin Atlanta

Daga Wikipedia, Insakulofidiya ta kyauta.
Yanayin yankin Atlanta
geography of geographic location (en) Fassara
Bayanai
Ƙaramin ɓangare na urban geography (en) Fassara da Yanayin Georgia (jihar Amurka)
Fuskar Atlanta
Ƙasa Tarayyar Amurka
Gidan shakatawa na Piedmont na Atlanta tare da bargo na dusar ƙanƙara

Yanayin Atlanta ya ƙunshi murabba'in mil 13.4 (34.9 ), wanda 131.7 murabba'i mil (341.1 km) ƙasa ne kuma 0.7 murabbaʼin mil (1.8 km2) ruwa ne. Birnin yana tsakanin tuddai na Dutsen Appalachian, kuma a 1,050 feet (320 m) sama da matsakaicin matakin teku, Atlanta tana da mafi girman tsawo tsakanin manyan biranen gabashin Kogin Mississippi.[1][2] Atlanta ta mamaye Gabashin Gabas, irin wannan ruwan sama da ke faɗuwa a gefen tudun da gabas na rabuwa yana gudana cikin Tekun Atlantika, yayin da ruwan sama a gefen arewa da yammacin rabuwa ke gudana cikin Gulf of Mexico.[3] Atlanta tana zaune a saman tudu a kudancin Kogin Chattahoochee, wanda yake wani ɓangare na Kogin ACF. Da yake a gefen arewa maso yammacin birnin, yawancin mazaunin kogin an kiyaye shi, a wani bangare na Chattahoochee River National Recreation Area . [4]

Atlanta
Climate chart (explanation)
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Imperial conversion
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Average max. and min. temperatures in °F
Precipitation totals in inches

Yanayin Atlanta da yankinta na birni suna da zafi mai zafi (Cfa) bisa ga Rarrabawar Köppen, tare da yanayi huɗu ciki har da zafi, lokacin rani mai zafi da hunturu mai sanyi wanda a wasu lokutan yana da sanyi ta hanyar ka'idodin kudancin Amurka; birnin da kewayenta suna cikin USDA Plant Hardiness Zone 8a, kodayake yankunan arewacin arewacin suna fara sauyawa zuwa Zone 7b.[5]

Lokacin bazara yana da tsawo kuma yana da zafi da zafi. Matsakaicin zafin jiki na yau da kullun a watan Yuli shine 80.2 °F (26.8 °C) ° F (26.8 ° C), tare da yanayin zafi a wasu lokuta ya wuce 100 °F (37.8 °C) ° .8 ° C, da ƙananan iska, kuma yawanci damar 20-40% na tsawa ta rana. A lokacin hadari na rani, yanayin zafi na iya sauka ƙasa da 85 °F (29.4 °C) ° .4 ° C tare da ruwan sama mai yawa a cikin gida.

Janairu matsakaicin 43.3 °F (6.3 °C) ° .3 ° C, tare da yanayin zafi a cikin unguwanni dan kadan ya fi sanyi. Rashin zafi, iska na teku na iya kawo yanayin bazara yayin da iska mai karfi na Arctic na iya tura ƙasa zuwa tsakanin 20 da 10 ° F (−6.7 da -12.2 ° C). Snow bazai faru a kowane yanayi a cikin birni da kewayen ciki ba amma yana faruwa a kowane lokaci a cikin metro na arewa. Lokacin da dusar ƙanƙara ta faɗi kusan koyaushe ne a lokacin Disamba zuwa Maris: an yi faduwa uku kawai a waje da waɗannan watanni a cikin shekaru casa'in da suka gabata, mafi girma shine 1.0 inci ko 2.5 centimeters a ranar 11 ga Nuwamba, 1968.

Misali na kudu maso gabashin Amurka, Atlanta tana samun ruwan sama mai yawa, wanda aka rarraba daidai a ko'ina cikin shekara, kodayake bazara da farkon faduwa sun fi bushewa. Matsakaicin ruwan sama na shekara-shekara yana da kimanin inci 49.7 (1,260 , tare da ƙarshen hunturu da farkon bazara (kazalika da Yuli) kasancewa mafi ruwan sama da faɗuwa (musamman Oktoba) kasancewa mafi bushewa. Duk da samun karancin kwanakin ruwan sama, matsakaicin ruwan sama na shekara-shekara ya fi girma a nan fiye da yankin Seattle, musamman saboda tsawa mai karfi da kuma raunin yanayi na wurare masu zafi.

Yanayin zafi a ko sama da 90 °F (32.2 °C) ° F (32.2 ° C) yanzu yana faruwa a cikin kwanaki 44 a kowace shekara (daga 37 a baya); kodayake akwai kusan kwanaki 91 a cikin 2019, kuma kamar kwanaki 2 a cikin 1967. Ana iya sa ran daskarewa a cikin kwanaki 40, amma yawan zafin jiki ba ya hawa sama da alamar daskarewa. A cikin watanni masu sanyi sosai tare da toshewa mai zurfi, matsakaicin matsakaicin lokaci na iya fadawa ƙasa da daskarewa: watan da ya fi sanyi shine Janairu 1977 wanda ya kai matsakaicin 29.3 °F (−1.5 °C) ° F (-1.5 ° C) kuma wanda ya ga Atlanta matsakaicin 2.7 °F (1.5 °C) ° F (1.5 ° C).[6] Sauran watan da ke da matsakaicin matsakaicin sanyi shine Janairu 1940 tare da matsakaitan 29.6 °F (−1.3 °C) ° F (-1.3 ° C) da kuma rikodin matsakaicin yanayin sanyi na 38.0 °F (3.3 °C) ° F (3.3 ° C).   

Snowfall matsakaicin inci 2.9 (7.4 a kowane kakar. guguwa mafi tsanani ta kawo 8.3 inches (21 cm) in (21 a ranar 23 ga Janairu, 1940, mafi yawan dusar ƙanƙara a rana ɗaya ta kalandar, kuma mafi yawa a cikin wata ɗaya ta kalanda; mafi yawan dusara a cikin kakar (Yuli 1 zuwa Yuni 30 na shekara mai zuwa) shine 10.9 inches (28 cm) in (28 a cikin 1935-36. Gaskiya ne blizzards ne rare amma mai yiwuwa; Storm of the Century, wanda ya shafi yankin a ranar 12 zuwa 14 ga Maris, 1993, yana daya daga cikin irin wannan misali, kawo dusar ƙanƙara har zuwa 6 m) high a wasu sassan arewacin Georgia.[7] Guguwar kankara yawanci tana haifar da matsala fiye da dusar ƙanƙara; mafi tsanani irin wannan guguwar na iya faruwa a ranar 7 ga Janairu, 1973, da 9 ga Janairu. A shekara ta 2010, Atlanta ta fara samun White Christmas na farko tun 1882 da 1883. Daga baya a wannan hunturu (na uku mafi sanyi), babban guguwar dusar ƙanƙara da kankara kusan ya hana rantsar da sabon gwamnan Georgia, kuma ya gurgunta yankin na kwana biyu, tare da dusar ƙara har yanzu ya bar fiye da mako guda bayan haka a wasu wurare.

Rubuce-rubuce yanayi na hukuma ya fara ne a Atlanta a 187 °F (−13.9 °C), a safiyar 3 ga Oktoba. Tun daga wannan lokacin, mafi girman yanayin da aka rubuta a Atlanta ya kasance 106 °F (41 °C) ° F (41 ° C) a ranar 30 ga Yuni, 2012; watan da ya fi zafi a rubuce shi ne Agusta 2007, tare da matsakaicin zafin jiki na 85.6 °F (29.8 °C) ° F (29.8 ° C). Mafi ƙarancin yanayin zafi da aka rubuta sun kasance -6 ° F (-21.1 ° C) da -8 ° F (−22.2 ° C) a ranar 20 da 21 ga Janairu, 1985, da kuma -9 ° F (-72.8 ° C) ranar 13 ga Fabrairu, 1899. Har ila yau, akwai rikodin hukuma na -10 ° F (-23.3 ° C) a cikin 1985 a Marietta. Mafi sanyi mafi girma shine 7 ° F (−13.9 ° C), kuma a ranar 13 ga Fabrairu, 1899, yayin da, akasin haka, mafi zafi mafi zafi shine 82 °F (27.8 °C) ° F (27.8 ° C) a ranar 8 ga Agusta, 2007.

Watan da ya fi ruwan sama shi ne Yuli 1994, lokacin da Guguwar Tropical Alberto ta zubar da ruwan sama mai yawa a wasu sassan jihar da yankin metro na kudu, inda ta kawo inci 17.71 (449.8 a Atlanta, sama da sau uku a watan Yuli na yau da kullun. Ambaliyar ruwa babbar matsala ce a waɗancan yankuna, kuma a ƙasa ya zama babban bala'i. Watanni mafi bushewa sune Oktoba 1963 da Oktoba 2024, lokacin da a cikin yanayin biyu aka yi rikodin bushewa a duk gabashin da kudancin Amurka (sai dai tsibirin Florida), inda ya bar Atlanta tare da alamar hazo kawai ga dukan watan.[8]Samfuri:Atlanta weatherbox

Tasirin shuke-shuke

[gyara sashe | gyara masomin]

Wasu itatuwan dabino Kamel palmetto da cacti kamar pear mai tsayi na iya tsayayya da dare mai sanyi, suna haɓaka furanni masu yawa da 'yan camellias, da sauran tsire-tsire masu sauƙi na yankin. Lokacin girma a yankin yana da watanni da yawa, tsire-tsire masu tsayi suna tun farkon tsakiyar Fabrairu, da sauransu daga tsakiyar Maris zuwa ƙarshen Oktoba, lokacin da sanyi na ƙarshe da na farko ya faru. Yanayin bazara yana da kyau amma mai canzawa, kamar yadda guguwar sanyi ke kawo tsawa mai ƙarfi ko mai tsanani ga kusan dukkanin gabashin da tsakiyar Amurka. Yawan Pollen yana da yawa sosai a cikin bazara, a kai a kai yana wucewa fiye da barbashi 2000 a kowace cubic mita a watan Afrilu kuma yana haifar da zazzabin hay, wani lokacin ma a cikin mutanen da ba su da sa sa sa saurin hakan. Pine pollen ya bar fim mai launin rawaya-kore a kan komai a yawancin wannan watan. Ruwan sama yana taimakawa wajen wanke itatuwan oak, pine, da kuma ciyawa masu yawa na Atlanta, kuma yana ciyar da kyawawan furanni daga itatuwan dogwood masu fure, da kuma azaleas, Forsythias, Magnolias, da itatuwan peach (duka furanni-kawai da 'ya'yan itace). Nunin furanni na gari yana gudana a lokacin Maris da Afrilu, kuma yana karfafa bikin Atlanta Dogwood, ɗaya daga cikin mafi girma a Atlanta. Fall kuma yana da da daɗi, tare da karancin ruwan sama da ƙananan guguwa, kuma yana canza launi daga ƙarshen Oktoba zuwa tsakiyar Nuwamba, musamman a lokacin shekarun da suka bushe. Wani karamin karamin karami a cikin guguwa mai tsanani yana faruwa a cikin mako na biyu na Nuwamba.

Tasirin yanayin ƙasa

[gyara sashe | gyara masomin]

.Yanayin yanayin yankin yana shafar yanayin kuma. Wani anticyclone a kan Arewa maso Gabashin Amurka zai hura iska mai sanyi a kan ruwan ɗumi na Tekun Atlantika, ya samar da wani yanki ko na ruwa a kan tsaunuka. Wannan iskar gabas ko arewa maso gabas sau da yawa za ta sauko cikin yankin metro a cikin hunturu ko ma bazara (wani lokaci faɗuwa kuma da wuya lokacin rani), da matuƙar rage yawan zafin jiki da kawo girgije da sau da yawa hazo ko hazo, tare da iska mai sauri. Matsakaicin zafin jiki a fadin metro Atlanta na iya kaiwa 20 °F ko 10 °C, lokaci-lokaci ma ma fiye. A cikin hunturu wannan na iya zama la'ana, yana kawo ruwan sama mai daskarewa ga abubuwan da aka fallasa a arewa da/ko gefen gabas na gari, kuma a wasu lokuta yana da haɗari ga ƙasa da hanyoyi. Daga baya a cikin bazara duk da haka, yana iya zama babban albarka, saboda sau da yawa yana kare yankin daga tsananin hadari da hadari, tare da sanyin iska yana aiki kamar mai kashe wuta ga guguwa. [ana binciken hujja] [ana buƙace ta] Gidan na iya wucewa gabaɗayan lokaci-lokaci ta tsakiyar Jojiya har ma da shiga cikin Alabama a cikin yanayi mafi ƙarfi, yayin da yake barin yankunan arewa maso yammacin Georgia fiye da yankin metro. Akasin haka, iska mai zurfi da sanyi daga arewa maso yamma na iya toshewa da tsaunuka, ta hana dusar ƙanƙara

Yanayin yankin kuma yana taka rawa a yanayin yau da kullun, tare da 4 °C (7.2 °F) masu zurfi zuwa tudun maso yamma (maimakon duwatsu zuwa arewa maso gabas) suna sanyaya da sauri a cikin dare mai haske da kwanciyar hankali, musamman lokacin da zafi ya yi ƙasa. Birnin Peachtree kuma musamman Newnan sau da yawa suna ba da rahoton raguwar yanayin zafi (da kusan 4 ° .2 ° F) a kan labarai na 10 na yamma da 11 na yamma, kuma ba za su sauka da yawa ba, yayin da birni (wanda aka gina a kan tudu) zai ci gaba da fadowa sannu a hankali amma ba zai taɓa kaiwa wannan ƙarancin ba. Irin wannan bambanci mai ban mamaki a cikin microclimate yana da ɗan ban mamaki ga wurin da ba kusa da manyan duwatsu ko ruwa ba.  

Yanayi mai tsanani

[gyara sashe | gyara masomin]

Guguwa mai zafi

[gyara sashe | gyara masomin]

Guguwar Opal ta kawo yanayin guguwa mai zafi a yankin daya da dare a farkon Oktoba 1995, ta tumɓuke daruruwan bishiyoyi (musamman itatuwa oak) kuma ta haifar da katsewar wutar lantarki, bayan ta tsoma yankin da ruwan sama na kwanaki biyu da suka gabata. Yankin metro na yamma ya kama mafi munin guguwar, yana gudana zuwa kusan mil 70 a kowace awa (113 km / h; 31 m / s) a hukumance a Marietta . [9]

Irin waɗannan abubuwan suna da wuya sosai har zuwa yanzu, kimanin kilomita 250 (400 a cikin ƙasa daga Tekun Mexico inda yawancin guguwar suka fito; duk da haka wasu yankuna musamman gabas da kudancin birnin sun sami irin wannan lalacewa daga filin iska mai faɗi na Guguwar Irma a watan Satumbar 2017, tare da guguwa zuwa mil 64 °F (18 °C) a kowace awa (103 km / h) a filin jirgin saman Atlanta da iska mai ɗorewa har zuwa 45 miles per hour (72 km/h) (72 km / h).[10] Rubuce-rubucen yanayin zafi mai sanyi na 64 ° F (18 ° C) wanda ya haifar da madatsar iska mai sanyi a kan Appalachians ya yi aiki don kawar da haɗarin guguwa na yau da kullun a arewacin Georgia da raunana guguwar da sauri fiye da yadda ake tsammani, rage lalacewar da ake tsammani ga yankin. Kasa da wata daya daga baya a farkon Oktoba 2017, an yi hasashen ƙaramin Guguwar Nate zai wuce cikin sauri ta arewa maso yammacin Georgia a matsayin guguwa mai rauni, wanda ake sa ran zai haifar da ƙananan batutuwa ga yankin metro fiye da Irma. Wadannan guguwa guda biyu sun haifar da agogon guguwa na farko na wurare masu zafi (kuma ga Irma, gargadi) ga yankin tunda an ba da izinin bayar da waɗannan don wuraren cikin gida maimakon kawai na bakin teku.

Tun daga 1950, wasu yankuna na metro sun sami Guguwa fiye da sau 20, tare da Cobb (26) da Fulton (22) kasancewa biyu daga cikin mafi girma a jihar. (Lura cewa wasu guguwa na iya faruwa a lokaci guda, ko kuma a cikin yankuna biyu daban-daban.) Wani ya buge Gidan Gwamnan Georgia a 1975. Guguwar Dunwoody a farkon watan Afrilu na shekara ta 1998 ita ce mafi munin guguwar da ta taɓa aukuwa yankin da ke kusa da birni. Tun daga wannan lokacin, yankuna da yawa sun sake shigar da sirens na kare farar hula da aka cire bayan Yaƙin Cold. [ana buƙatar ƙa'ida][ana buƙatar hujja]

A ranar 14 ga Maris, 2008, wata Guguwa ta EF2 ta buge garin Atlanta tare da iskõki har zuwa 135 miles per hour (217 km/h) mph (217 km / h). Guguwar ta haifar da lalacewa ga Philips Arena, Otal din Westin Peachtree Plaza, Georgia Dome, Centennial Olympic Park, Cibiyar CNN, da Cibiyar Taron Duniya ta Georgia. Har ila yau, ya lalata unguwanni da ke kusa da Vine City zuwa yamma da Cabbagetown, da Fulton Bag da Cotton Mills zuwa gabas. Duk da yake akwai raunin da yawa, an ruwaito mutuwar mutum daya kawai.[11] Jami'an birni sun yi gargadin cewa zai iya ɗaukar watanni don share lalacewar da guguwar ta bari.[12]

Guguwar hunturu

[gyara sashe | gyara masomin]

Yankin yana fuskantar guguwar hunturu tare da dusar ƙanƙara mai yawa kusan sau ɗaya a kowace shekara, duk da haka wannan na iya zama ba daidai ba. A cikin 2000s, manyan dusar ƙanƙara huɗu ne kawai suka faru (Disamba 2000, Janairu 2002, Janairu 2008, da Maris 2009), yayin da uku suka faru a farkon 2010 (shekara ta El Niño) kadai, suna mai da shi hunturu mafi dusar ƙuƙara tun daga shekarun 1970. Duk da tsinkaya na hunturu mai dumi da bushe saboda La Niña da ke tasowa a lokacin rani mai zuwa, ƙarin inci 1.2 (3.0 ya fadi a ranar 25 ga Disamba, yana ba birnin (da yankunan arewa da yammacinsa) fararen Kirsimeti na farko na gaskiya a cikin karni. Sauran dusar ƙanƙara a wannan ranar sun kasance inci 1.6 (4.1 a 1881, da kuma inci 0.3 (0.8 a cikin 1882. Wani abu na karshe ya fadi a Kirsimeti a 1993, da kuma wasu shekaru goma sha biyu kafin hakan.

Wani dusar ƙanƙara (duba: 1993 Storm of the Century) ya kama yawancin kudu maso gabas a cikin 1993, ya zubar da inci 4.5 (11.4 a filin jirgin saman Atlanta a ranar 13 ga Maris, kuma fiye da haka a cikin unguwanni zuwa arewa da yamma, da kuma a cikin duwatsu. Dallas, wani yanki mai nisan kilomita 30 ko kilomita 48 zuwa yammacin arewa maso yamma, ya sami inci 17.5 (44.5 daga guguwa. Wasu mutane sun farka da tsawa da walƙiya a cikin wani taron tsawa mai ban mamaki. Yankunan da yawa na arewacin Cobb County sun rubuta sama da inci 15 (38 a cikin dusar ƙanƙara. An yi la'akari da shi a matsayin abin da ya faru na dusar ƙanƙara na ƙarni ga Atlanta, kuma ana kiransa "Storm of the Century", yana sanya na biyar a cikin bayanan dusar ƙara na birnin. Sauran guguwar hunturu da aka rubuta na irin wannan tsananin ita ce Babban Blizzard na 1899, wanda ya faru a watan Fabrairu. Wani guguwa ya faru a ranar 9-15 ga watan Janairu wanda ya gurgunta birnin kuma ya bar makarantu a duk mako. Hanyoyin da aka rufe da kankara da sama da inci takwas na dusar ƙanƙara sun faɗi a wasu wurare tare da sama da ƙafa ɗaya a yankin arewacin arewa.

Mafi girman dusar ƙanƙara, duk da haka, ya kasance a ranar 23 ga Janairu, 1940, lokacin da inci 8.3 (21.1 ya binne birnin a lokacin watan da ya fi sanyi a rubuce. Na biyu mafi tsanani ya kasance a cikin 1983, lokacin da guguwa ta baya-bayan nan ta zubar da inci 7.9 (20.1 a ranar 24 ga Maris. Sabon dusar ƙanƙara da daskarewa sun kasance a cikin 1910, lokacin da aka rubuta 1.5 inci (3.8 da 32 °F (0 °C) ° F (0 ° C) a ranar 25 ga Afrilu. Tun daga 1928, dusar ƙanƙara ta farko da za a iya auna ita ce Nuwamba 11 da 23, sannan a cikin 2013 .4 inci (1.0 a ranar 27, ranar da ta gabata kafin ranar godiya ta biyu mafi sanyi a rikodin.

Kafin Maris 2009, babban dusar ƙanƙara na baya-bayan nan ya faru a farkon shekara ta 2002, lokacin da har zuwa inci 3 (7.6 ya fadi a ranar 2 ga Janairu. Ya zuwa shekara ta 2007, kusan kusan kusan ko gaba ɗaya ba tare da dusar ƙanƙara ba sun kasance na dogon lokaci idan aka kwatanta da matsakaici. Wannan tseren ya ƙare a watan Janairun 2008 lokacin da 0.4 inci (1.0 ya fadi a ranar 16 ga Janairu kuma 1 inci (2.5 ya faɗi kwana uku bayan haka. A shekara mai zuwa, guguwar hunturu ta farko tun daga shekara ta 2002 ta zubar da inci 4.5 (11.4 a ranar 1 ga Maris, tare da mafi nauyi zuwa kudu maso yamma da gabas-arewa maso gabas, kuma abin mamaki kadan ko komai a cikin yankunan arewa da tsaunuka. Yawancin ya narke kusan da sauri kamar yadda yake tarawa a tsakar rana, yayin da yankunan gabas suna da tsawa da girgije-zuwa- ƙasa da aka ruwaito ta hanyar gano walƙiya; yana da ƙananan matakin sama daga Great Plains, yayin da yawancin manyan guguwa a yankin ke faruwa tare da yankin da ke da ƙananan matsin lamba da ke tafiya tare da gabar Gulf. dusar ƙanƙara ta 2009 ta haɗa da dusar ƙara ta 1993 da kuma wata guguwa don dusar ƙarancin yau da kullun na biyar a cikin tarihin yanayin da aka rubuta a birnin.

Yankunan da ke gabashin da yamma galibi suna karɓar dusar ƙanƙara fiye da metro Atlanta, saboda makamashi ya fara canja wuri zuwa ƙasa a cikin Tekun Atlantika, a kan hanyarsa ta zama Easter. Har ila yau, duwatsu a arewa maso yamma suna shiga iska mai sanyi. Matsakaicin dusar ƙanƙara na shekara-shekara daga 1971 zuwa 2000 a Atlanta shine inci 2.9 (7.4 - watan da ya fi dusar ƙara shine Janairu tare da inci 0.9 (2.3 . Saboda guguwa mai tsanani guda biyu a lokacin matsakaicin lokacin, a zahiri Maris ne wanda shine na biyu tare da 0.5 inci (1.3 - an yanke shi a rabi idan an cire guguwa mafi tsanani. Wannan ya biyo bayan Fabrairu tare da 0.4 inci (1.0 da Disamba tare da 0.3 inci (0.8 , sannan Nuwamba, Afrilu, da Oktoba matsakaicin alama kowannensu. Sabon shine Afrilu 25, lokacin da 1.5 inci (3.8 ya fadi a 1910, kuma mafi nauyi ga watan, kuma sabon sanyi. An rubuta wasu dusar ƙanƙara huɗu na Afrilu tun 1879, mafi mahimmanci na baya-bayan nan shine Afrilu 3, 1987. Flurries ya faru ne a cikin 1993 a yammacin Halloween, yana nuna alamar dusar ƙanƙara ta uku da aka rubuta a watan Oktoba (dukansu ba a iya auna su ba).

Kodayake Disamba yana da sanyi kamar Fabrairu kuma yana da ƙarin kwanaki, yana karɓar mafi ƙarancin dusar ƙanƙara na kowane watan hunturu (kimanin sau ɗaya a kowace shekara goma), saboda ƙarancin ruwan sama a cikin watanni na ƙarshe na shekara idan aka kwatanta da ruwan sama a tsakiyar da ƙarshen hunturu. Koyaya, mafi ƙarancin rana da gajerun kwanakin shekara suna nufin cewa abin da ya faɗi na iya kasancewa a kusa na kwanaki. A tsakiyar watan Disamba na shekara ta 2000 dusar ƙanƙara (a rikodin 2.5 inci (6.4 na watan) ya biyo bayan yanayin sanyi sosai wanda ya bar tabo a ƙasa a wuraren inuwa har zuwa Kirsimeti. Bayan dusar ƙanƙara ta 2010, abin da ya faru a watan Disamba na gaba ya kasance a cikin 2017, lokacin da dusar ƙara mafi tsanani tun lokacin da guguwar Maris 1993 ta buge yankunan arewa maso yamma da yammacin arewa maso yamma. Paulding, arewa maso yammacin Cobb, da kudu maso gabashin yankunan Bartow sun kai har zuwa inci 13 (33 na dusar ƙanƙara mai nauyi da rigar, saboda zafin jiki yana da ɗan sama da daskarewa don yawancin taron. Babban abun ciki na ruwa da rashin duk wani iska ya haifar da raguwar wutar lantarki yayin da manyan tarin suka kawo layin wutar lantarki, suna barin wasu ba tare da wutar lantarki ba har kwanaki. Wannan shi ne na farko a cikin kakar da aka sani yankin metro ya sami dusar ƙanƙara mai yawa, kodayake ana adana bayanan hukuma na dogon lokaci ne kawai a Atlanta.

Har ila yau, Guguwar kankara ta faru a yankin. Biyu sun buga birnin a cikin mako guda a watan Janairun 2000, na biyu yayin da Atlanta ke karbar bakuncin Super Bowl XXXIV, wanda aka ji ya shafi damar da birnin ke da ita a nan gaba don sake karbar bakinsa. Guguwar kankara da aka tuna da ita a watan Janairun 1973 ta kasance mai tsanani, kuma a watan Fabrairu ta biyo bayan guguwar dusar ƙanƙara ta kudu maso gabashin Amurka ta 1973 da ta buge rabin bakin teku na jihar, ta kawo dusar ƙuƙwalwa zuwa abin da ke kusa da yankin kudu maso gabbas. Wani dusar ƙanƙara na Janairu 1982, wanda kafofin watsa labarai da waɗanda suka rayu ta hanyarsa suka kira shi "Snow Jam '82", ya kuma gurgunta birnin kamar yadda kankara za ta iya, ya buge da rana yayin da kowa ke aiki, sa'o'i da yawa da suka gabata fiye da yadda ake tsammani. Dubban mutane sun makale a cikin birni, suna watsar da motoci a kowane hanya da babbar hanya da kuma yin rajistar Otal-otal zuwa iyaka, ba su iya komawa gida zuwa unguwanni ba.

Duk da wannan sanannen kwarewar, wannan abu ya faru a watan Janairun 2014, lokacin da dusar ƙanƙara da ake sa ran ta kai ga tsakiyar Georgia da rana ta tashi zuwa arewa da tsakar rana, sakamakon kankara na kankara a kan yara a makarantu har ma a kan bas na makaranta da dare, yayin da mutane ke barci a cikin mafaka na wucin gadi kamar Home Depot, Kroger, da CVS shagunan, da kuma a cikin tashoshin wuta har ma a cikin motocinsu. Gudun da ke ɗaukar mintuna a maimakon haka yana ɗaukar sa'o'i da yawa ko ma har zuwa rana mai zuwa, tare da matsakaicin saurin kusa da sifili kuma motoci da yawa suna ƙare da man fetur. Mutane da yawa kawai sun yi tafiya zuwa inda suke zuwa, yayin da aka kira sojojin tsaron kasa na Georgia don shiga cikin rukunin HERO tare da Patrol na Jihar Georgia da 'yan sanda na cikin gida don bincika motocin da suka makale da kuma watsar. Duk da yake kawai inci 2.6 (6.6 ya fadi a yammacin ranar 28, kuma an magance batutuwa da yawa daga guguwar dusar ƙanƙara ta 2011, gagarumin zirga-zirga tsakanin tsakar rana da 1pm da sauri ya haifar da babbar matsala kuma ya hana cire dusar ƙara da kayan aiki daga zuwa ko'ina. Kayan aikin GDOT da aka aika zuwa yankunan da ke ƙasa da ƙasa bisa ga tsinkaye na farko sun kuma rage martani, saboda ba za su iya komawa arewa zuwa gundumominsu na yau da kullun ba a lokaci. Jarumi'ai sun yi ƙoƙari su zargi Hukumar Kula da Yanayi ta Kasa, amma tashar Weather Channel, CNN, da tashoshin talabijin na gida sun karyata wannan, wanda ya nuna cewa an ba da gargadi na guguwar hunturu har zuwa yankunan arewa fiye da sa'o'i biyu kafin yawancin tsarin makaranta su yanke shawarar ko za a soke makaranta don rana, har ma da shawarar yanayin hunturu na baya ya kamata ya isa ya haifar da waɗannan sokewa.

Shekarar da ta fi bushewa a tarihin Atlanta ita ce 1954 (31 inci na ruwan sama), tare da 2007 kasancewa na biyu. Yankin fari na kudu maso gabashin Amurka na 2006-2008 ya fara ne da yanayin bushe a shekara ta 2006, kuma ya bar tabkuna na yankin da yawa. Yawancin ruwan sha na yankin ana adana su a cikin Tafkin Lanier da Tafkin Allatoona, wanda ya kai matakin rikodin a watan Disamba na shekara ta 2007. Har zuwa Satumba 2007 ita ce shekarar da ta fi bushewa a rubuce a cikin shekaru 75, ta biyu kawai zuwa 1927 da 1931. A ranar 28 ga watan Satumba, jihar ta ba da cikakken haramcin ban ruwa na waje ga arewa da arewa maso yamma 40% ko haka na jihar, yana shafar yankuna 61 gabaɗaya a arewacin Fall Line. (Wasu hukumomi da Tsarin ruwa sun riga sun dauki irin waɗannan matakan.) Wannan shi ne karo na farko da jihar ta kafa irin wannan haramcin. A cikin fari na shekaru 3 yankin Atlanta a wasu lokuta yana fuskantar hayaki daga gobarar daji a kudancin Georgia, wanda ke haifar da iska ta cikin gida ta zama mai haɗari ga kowa da kowa. Babban fari wanda ya shafi yankin tun daga ƙarshen shekara ta 2006 a ƙarshe ya fara raguwa sosai bayan ruwan sama mai yawa a shekara ta 2009.

Yankin fari na tarihi ya ƙare tare da ambaliyar ruwa a cikin shekara ta 2009. Ambaliyar ruwa ta Atlanta ta 2009 ta shafi dukan yankin a ranar 21 ga Satumba, 2009, tare da sassan gabashin Paulding, arewacin Douglas, da kudancin yammacin yankunan Cobb suna samun kusan inci 20 (500 na ruwan sama a cikin mako guda, tare da rabin wannan ya fadi a cikin sa'o'i 24 kawai kusa da ƙarshen lokacin. Douglasville ta sami ruwan sama mafi yawa a cikin awanni 24 fiye da kowane birni a cikin metro Atlanta, birnin ya sami sama da inci 16.5 na ruwan sama a ranar 21 ga Satumba, 2009. (USGS ta lissafa shi ya zama ambaliyar ruwa mafi girma fiye da shekaru 500; Hukumar Kula da Yanayi ta Kasa ta bayyana cewa damar wannan ruwan sama mai yawa a ko'ina cikin yankin shine 1 cikin shekaru 10,000.) Wasu hanyoyi sun rufe na ɗan lokaci, kuma ƙananan gadoji da yawa sun lalace kuma za su ɗauki watanni don maye gurbin su. Gidaje da yawa a yankin sun lalace gaba ɗaya. Ruwan sama mai yawa da shawarwarin ambaliyar ruwa sun ci gaba har zuwa farkon Fabrairu 2010. 

Abubuwan ambaliyar ruwa suna samuwa ne daga kusan tsawa mai tsawo, ko kuma yana da tasiri sosai daga raguwar guguwa mai zafi, ko kuma wani lokacin daga ruwan sama mai tsanani da na hunturu a lokacin shekarun El Niño. Sauran fari sun ƙare a cikin ƙananan ambaliyar ruwa, gami da a shekarar 1989. Ruwan ya kuma ƙare tun daga shekara ta 2010.

Batutuwan muhalli

[gyara sashe | gyara masomin]
Sanarwar yankin carbon-neutral na Virginia-Highland, na farko a Amurka

A cikin 2007, American Lung Association ranked Atlanta a matsayin ciwon 13th mafi girman matakin gurɓataccen barbashi a cikin Amurka.] Haɗin gurɓataccen gurɓataccen iska da matakan pollen, da ƴan ƙasa marasa inshora sun sa Asthma and Allergy Foundation of America suna suna Atlanta a matsayin birni mafi munin Amurkawa ga masu fama da cutar asma su zauna a ciki. ban da manyan motoci na zamani da na baya-bayan nan uku

Wuraren haske sun haɗa da ayyukan da ke ƙarfafa ci gaban basira, kamar su BeltLine da Atlantic Station ci gaban amfani da haɗin gwiwa, wanda Hukumar Kare Muhalli ta yaba a shekara ta 2005. [13] A shekara ta 2009, Virginia-Highland na Atlanta ya zama yanki na farko na carbon-neutral a Amurka. A can, 'yan kasuwa na unguwa, ta hanyar Chicago Climate Exchange, kai tsaye suna tallafawa Valley Wood Carbon Sequestration Project (dubban kadada na gandun daji a yankunan karkara na Georgia).

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