Stratas

An ciseal scamall is ísle san atmaisféar. Déanta as braonta uisce, tugann siad coinníollacha marbhánta dorcha ceobhránacha a bhaineann leis an teascán te de lagbhrú. Faightear iad suas le timpeall 0.5 km. Os a chionn sin cruthaítear an stratacumalas, an nimbeastratas, is an t-altastratas.^[1]