Pampero, Zonda da Sudestada

A cikin hanyoyin sadarwar iska a duk duniya, akwai nau'ikan iskoki iri daban-daban waɗanda ke saurin tashiwa a cikin gida da kuma ci gaba ko ƙari, dangane da yanayin muhalli. A wannan yanayin, yaduwar iska da ke kadawa a yankin na Arjaniya an ƙaddara ta ƙananan matsin lamba ko cibiyar cyclonic da kuma ta hanyar maganin rigakafi biyu ko manyan cibiyoyin matsin lamba. Wannan yana haifar akwai iskoki guda uku na gida da suke hurawa a Ajantina: El Pampero, El Zonda da La Sudestada. Kuna so ku sani game da waɗannan iskoki?

Karkatacciyar iska

Iskokin yankin Ajantina suna bin tsarin da South Atlantic Anticyclone da South Pacific Anticyclone suka kafa. Na farko, yana da mafi girman tasiri a arewacin Kogin Colorado. Wannan guguwar ta iska tana sanya iskoki su ratsa Argentina daga Kudancin Tekun Atlantika, suna ratsa Brazil. A yadda aka saba, iskar da ke rakiyar suna da dumi da danshi, wanda ke haifar da yawan ruwan sama a arewa maso gabashin kasar kuma yana raguwa yayin da ya kusanci tsaunin.

Ruwa na biyu na anticyclone, na Kudancin Fasifik, yana da niyyar tasiri yankin Patagonia. Wadannan iskokin suma suna dauke da danshi kuma sunzo daga Kudancin Pacific. Wannan yana haifar da yawan ruwan sama a kan Patagonian Andes. Bugu da ƙari, waɗannan iskoki suna da sakamako na biyu: yi aiki azaman shingen sandaro, yana haifar da sauran iskokin da suka isa kusan bushewa zuwa yankin Patagonia.

A cikin Argentina akwai dalilai kamar latitude, sauƙaƙawa da yawo daga iska waɗanda ke shiga tsakani a cikin halaye irin na yanayi. Waɗannan iskokin gida ne ke shafar yanayin na yankuna daban daban na yankin ƙasar Ajantina. Manyan iskan gari guda uku da suke hurawa a Argentina sune Pampero, El Zonda da La Sudestada.

Pampero

Asalin sunan yana komawa zuwa farkon zuwan Spaniards na farko zuwa Río de la Plata, waɗanda iska mai ƙarfi daga yankin kudu maso yamma suka buge ta wanda ya kawo iska mai ɗaci da bushe. Tsoffin ‘yan mulkin mallaka sun lura da canjin yanayi a wannan yankin wanda ya sha bamban da wadanda suka faru a Turai.

Pampero yana da asalin sa zuwa cibiyar matsin lamba wanda yake a filayen tsakiyar Argentina da arewa maso yamma. Wannan cibiyar matsin lamba ya fi ƙarfi a lokacin bazara kuma zai iya jan hankalin iskar Kudancin Fasifik anticyclone.

Lokacin da aka samar da cibiyar ƙananan matsin lamba, misali lokacin da yanayin zafi ya ɗaga babban iska a tsayi, yawancin iska kewaye da shi yi kokarin maye gurbin wurin da aka bari tare da mafi karancin iska. Sabili da haka, duk iskar da ke yankin Kudancin Pacific anticyclone suna motsawa zuwa tsakiyar ƙananan matsin lamba.

Kamar yadda aka ambata a baya, waɗannan iskoki daga Kudancin Pacific anticyclone suna da sanyi kuma sun bushe, tunda suna aiki a matsayin shinge kuma suna rasa danshi. Yawanci yakan busa ne a ranakun bazara kuma zafin jikinta da danshi suna karuwa saboda zuwan iskar kasuwanci.

Don haka, Pampero yana ci gaba cikin sauri ta hanyar La Pampa, yana kafawa gaban hadari a yankin tuntuba tsakanin talakawan biyu, tunda suna da bambance-bambance dangane da yanayin zafi da yanayin zafi.

Pampero shine yanayin sanyi da bushe, yayin da ɗayan ke da dumi da danshi, yana zuwa daga iskar kasuwanci. Wannan hulɗar tsakanin talakawan-sanyi da dumi-dumi suna haifar da hadari na lantarki, yawan ruwan sama, har ma galibi tare da ƙanƙara kuma tare da raguwar zafin jiki kwatsam. Lokacin da gaban ya ɓace bayan ɗan lokaci, yayi sanyi kuma ya sake bushewa.

Lokacin da iskar Pampero ta rasa danshi lokacin da zata tsallaka tsaunin, sanyi ne kawai kuma ya bushe, ana kiran sa busasshen Pampero. Lokacin da yake haifar da hazo a gaba da aka ambata, ana kiran shi Pampero mai danshi. Idan iskar kudu maso yamma ba ta samar da ruwan sama ba kuma ta samar da guguwa a ƙasa, ana kiranta Dirty Pampero.

Pampero Hasashen

Don gano lokacin da Pampero ya busa, masana yanayin yanayi sun kalli tsarin matsi mai karfi wanda yake a kudancin Brazil. Wannan cibiyar matsin lamba yana haifar da iska wanda ke kadawa a Río de la Plata da duka arewa da tsakiyar ƙasar. Yayin da wadannan iska ke kadawa zafin jiki da zafi suna karuwa koyaushe kuma matsin lamba ya hauha.

Iska na iya wucewa tsakanin kwana biyu zuwa uku yayin da yanayin sanyi da busasshiyar iska da ke mamaye dukkan Patagonia ke gabatowa. Da zarar wannan lokacin ya wuce, matsin zai fara raguwa a hankali, yayin da danshi da zafin jiki ke kiyaye kyawawan ƙimomi). A karkashin waɗannan sharuɗɗan, ana lura da saukar da ƙarfi (har zuwa 1.5 hPcal), kuma ba zato ba tsammani ana lura da shi zuwa kudu ko zuwa kudu maso yamma layin duhu na gajimare waɗanda ke kan hanyar zuwa Río de Plata. Wadannan giragizan suna alamar gaban sanyi mai motsi arewa maso gabas at 20-30 knots.

Sudestada

Sudestada wani nau'in iska ne na cikin gida wanda ke hurawa a Ajantina. Asalinsa ya samo asali ne saboda bayyanar cibiyar matsin lamba a gabar tekun Pampean. Lokacin da aka kirkiro wannan cibiyar ƙananan matsi, yana jan hankalin duk iskar da tayi yawo a yankin babban matsin lamba a Kudancin Pacific.

Wannan kwayar halitta a cikin hanyarta ta tsallaka Patagonia kuma idan ta dawo zuwa ga Tekun Atlantika sai ta sake hada danshi, wanda ake fitarwa idan ya sake shigowa nahiyar. Lokacin da wannan ruwan sama ya faru, yawanci haske ne na kwanaki uku zuwa biyar. Ba kasafai suke wucewa ta hanyar ruwa a cikin ci gaba ba a wannan gajeren lokacin.

Watannin da ake yawan samun irin wannan iska a cikin watannin Afrilu da Oktoba.

Yankin

Wannan wani iskan gari ne da ke kadawa yayin da a yankin gabas na tsaunukan La Rioja, San Juan da Mendoza, aka kafa wata cibiyar matsin lamba mai jan hankalin iskar Kudancin Pacific Anticyclone. Aikinta yayi kama da Sudestada.

Da zarar ya samo asali, yakan hau ne a hankali yayin da yake kaiwa tsaunin tsawan zafinsa yana raguwa. Wannan yana haifar da sanyin yanayi mai danshi, yana girgije wanda yake bada haske hazo a cikin yanayin ruwan sama da dusar ƙanƙara. Sannan, a gudun da zai iya wuce kilomita 50 a awa guda, iska na sauka zuwa gangaren gabas, yana haifar da zafin nata ya karu saboda gogayyar kwayoyin halittar iska da juna yayin da ake matsa su yayin faduwar. Ta haka ya ƙarshe ya isa ƙasan dutsen kamar yadda bushewar iska mai dumi, tare da yanayin zafi kusa da 40 ° C.

Kodayake wannan iskar tana ɗan ba mutane haushi, ya bada tabbacin samar da ruwan sha mai dorewa don ban ruwa da sauran amfani kamar wadata su.

Kamar yadda kuke gani, kasar Argentina ta mamaye iska guda uku, wadanda ke da halaye wadanda suka sanya su na daban kuma suke da alhakin yanayin kasar.

Labari mai dangantaka:

Iska. Me yasa aka kirkireshi, nau'ikan iska na musamman da yadda ake auna shi