Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: A tsakiyar guguwar iska, iska tana nutsewa maimakon ta tashi. Don isasshen guguwa mai ƙarfi, iska na iya nutsewa a kan wani yanki mai zurfi don hana girgije, don haka ƙirƙirar "ido" mai tsabta. Yanayi a cikin ido yana da kwanciyar hankali kuma babu girgije, kodayake teku na iya zama mai tsauri. Idon yana da siffa mai zagaye, kuma yawanci 30<unk>65 km (19<unk>40 mi) a diamita, kodayake an lura da idanu kamar ƙananan 3 km (1.9 mi) da kuma manyan 370 km (230 mi). Ana kiran gefen waje na ido "eyewall". Ganuwar ido yawanci tana fadada waje tare da tsayi, kamar filin wasan ƙwallon ƙafa; wannan abin da ake gani a wasu lokuta ana kiransa "tasirin filin wasa". Ganuwar ido ita ce inda ake samun saurin iska mafi girma, iska tana tashi da sauri, gajimare sun kai mafi girman su, kuma ruwan sama ya fi yawa. Babban lalacewar iska yana faruwa ne a inda idon guguwar iska mai zafi ke wucewa a ƙasa.A cikin raunin da ya fi rauni, ido na iya zama duhu ta hanyar girgije mai girgije, wanda shine garkuwar cirrus na sama wanda ke da alaƙa da yanki mai ƙarfi na tsawa mai ƙarfi kusa da tsakiyar guguwar iska mai zafi.Ganuwar ido na iya bambanta a cikin lokaci a cikin tsarin maye gurbin ido, musamman a cikin guguwa mai zafi. Rawanin ruwan sama na waje na iya tsarawa a cikin zoben tsawa na waje wanda a hankali yake motsawa cikin ciki, wanda aka yi imanin cewa ya saci ganuwar ido na farko na danshi da kuma motsi na angular. Lokacin da ido na farko ya raunana, cyclone na wurare masu zafi ya raunana na ɗan lokaci. A waje ido bangon ƙarshe ya maye gurbin na farko daya a karshen sake zagayowar, a lokacin da guguwa iya komawa zuwa ta asali tsanani.  Tambaya: Wace hanya ce raƙuman ruwan sama na waje suke tafiya?
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