Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: A lee trough, inozivikanwawo seyakasimba trough, ndeye "Kumanikidza trough yakaumbwa parutivi rweLee yemakomo mumamiriro ezvinhu apo mhepo iri kuvhuvhuta nechinhu chakakosha mhiri kwemakomo emakomo; inowanzoonekwa pamamepu emamiriro ekunze eUnited States kumabvazuva kweRocky Mountains, uye dzimwe nguva kumabvazuva kweAppalachians, uko isinganyanyo zivikanwa. " Inogona kuumbwa somugumisiro wokumanikidzwa kweadiabatic yemhepo inonyura parutivi rwomugomo rwegomo, kana kuti kupfurikidza ne cyclogenesis inobva mu"kuwirirana kwakatwasuka kunobatanidzwa nekutambanuka kwakakwirira kwemakoramu emhepo anopfuura pamusoro pemutsara uye achiburukira kumugumo wetsoka".  Mubvunzo: Mvura inonaya inogona kuumbwa sei?
zvichida somugumisiro wokumanikidzwa kweadiabatic yemhepo inonyura parutivi rwomugomo rwegomo, kana kuti kuburikidza ne cyclogenesis inobva ku "kuchinjana kwakatwasuka kunobatanidzwa nekutambanuka kwakamira kwemakoramu emhepo achipfuura pamusoro pemutsara uye achidzika mugomo re lee