Stratus

Stratus

A cikin bitar mu na nau'ikan gajimare mun fara bayyanawa a wannan lokacin Stratus ko Strata, waxanda suke xaya daga cikin jinsin halittu guda biyu waxanda suke da gajimare. An bayyana su azaman babban girgije mai launin toka gabaɗaya, tare da tushe iri ɗaya, daga inda ɗora ruwa, ƙyallen kankara ko cinarra na iya faɗuwa. Idan ana iya ganin Rana ta hanyar shimfida, za a iya rarrabe abubuwan da ke ciki a bayyane. Wadannan giragizan wani lokacin sukan bayyana a cikin sifar shreds (fractus), karkashin wasu gajimare.

Stratus yawanci ana samunsa tsakanin 0 zuwa 300 m sama da ƙasa kuma an haɗa shi da ƙananan ɗigon ruwa duk da cewa a yanayin ƙarancin zafi sosai zasu iya ƙunsar ƙananan ƙwayoyin kankara. An ƙirƙira su ta hanyar haɗuwa sakamakon sanyaya a cikin ƙananan matakan yanayin sararin samaniya da rikice-rikice saboda iska. A yadda aka saba ana kafa su a ƙasa, don sakawa a iska mai guba dare ko ta amsar na ɗan dumi mai sanyin gaske a cikin sanyin ƙasa yayin saman teku, sanyaya yawanci ta advection.

Stratus da ke kafa "tekun gajimare"

Stratus da ke kafa "tekun gajimare"

Suna samar da hazo idan suna saman gona. Stratus fractus tsari azaman gajimare mai kayatarwa (pannus) a ƙasa da Altostratus, Nimbostratus, Cumolonimbus da cipungiyoyin Gaggawa. Lokacin da suke samar da fogs yawanci ana danganta su da yanayin anticyclonic yayin da lokacin da suka bayyana a ƙasa Altostratus ko Nimbostratus suke haɗuwa da Warm Front. Hakanan sun bayyana a ɓarke ​​a ƙarƙashin Cumulonimbus, a cikin hadari ko ruwan sama.

Bai kamata a rude su da Altostratus ko Nimbostratus ba, waɗannan suna da bayyanar '' rigar '', yayin da Stratus ke da bayyanar 'bushe'. Hazo a cikin Stratus Yana da rauni sosai kuma a cikin Nimbostratus matsakaici ne, saboda haka yana da wata sifa ta nuna bambanci.

Idan ana daukar su suna samar da hazo, nemi abubuwan tunani kamar su bishiyoyi, gine-gine ko tsawan ƙasa. Suna da ban sha'awa don daukar hoto idan sun bayyana a ƙasa da Nimbostratus, ruwan sama ko dusar ƙanƙara ta yage.

Jinsi biyu (nebulosus da fractus) da nau'ikan guda uku (opacus, translucidus, undulatus) ana gane su a cikin Stratus.

Source - AEMET

Informationarin bayani - Nimbostratus, Altostratus


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