Pfupisa nyaya yacho:  Ne'kuoma kukuru' kunofungidzirwa kurova US mumakumi emakore ari kuuya, nyika dzine nyota dziri kutendeukira kumhinduro dzakakomba zvikuru kuzadza matura adzo. Arizona iri kutungamirira zvirongwa zvokugadzira makore emvura yokunyepedzera kupfurikidza nokubhururuka nendege pamusoro peRocky Mountains nokudyara denga nesirivha iodide. Vanovimba kuti ruzivo urwu ruchavabvumira kuderedza zvimwe zvezvinetso zvakakomba zvikuru zvinokonzerwa nokuchinja kwemamiriro okunze <unk> asi havasi vose vanobvuma. Ne'kuoma kukuru' kunofungidzirwa kurova US mumakumi emakore ari kuuya, nyika dzine nyota dziri kutendeukira kumhinduro dzakakomba zvikuru kuzadza matura adzo. Arizona iri kutungamirira zvirongwa zvokugadzira makore emvura yokunyepedzera kupfurikidza nokubhururuka nendege pamusoro peRocky Mountains, uye kudyara denga nesirivha iodide. Nzira yokudyara makore yakatanga kufungwa nezvayo muma1940 mumarabhoritari eGeneral Electric muSchenectady, kuNew York. Makumi maviri emakore gare gare, Central Arizona Project neSalt River Project dzakaisa mari mukutsvakurudza kuti zviitike. 'Hazvisati zvabviswa patafura sechishandiso chinobvira sezvatinoshanda nzira yedu kupfurikidza nokusanaya kwemvura zvino uye munguva yemberi,' Nancy Selover, nyanzvi yemamiriro okunze ehurumende yeArizona akaudza Becky Brisley paCronkite News. Kubvira muna 2007, CAP yakaisa mari inenge $1 miriyoni pakutsvakurudza kunoitwa mune dzimwe nyika kuti kuwanikwe mvura yakawanda muRwizi rweColorado. Mvura iri mumhepo, kunyange munzvimbo dzakaoma, inogona kushandurwa kuva makristasi echando nokushandisa ndege kudyara mumhepo nemakemikari akadai sesilver iodide kana kuti chando chakaoma. Kana zvichiita sokuti mvura haimboregi kunaya, pomera vaRussia mhaka yacho. Kana kuti kunyange vokuNorth Korea. Vakuru veCIA vanotya kuti marudzi ane utsinye ari kuedza kudzora mamiriro okunze enyika, musangano wakanzwika muna February. Mumwe mudzidzi akakurumbira wedzidzo akarondedzera kuti akagamuchira sei runhare runoshamisa achibvunza kana nyika dzokumwe dzaigona kuva dziri kukonzera kusanaya kwemvura kana kuti mafashamo. Purofesa Alan Robock, weRutgers University muNew Jersey, akati: 'Vanachipangamazano vanoshanda nokuda kweCIA vakaridza runhare ndokuti taida kuziva kana mumwe munhu ari kudzora mugariro wokunze wenyika taizoziva nezvazvo here? 'Zvechokwadi vakanga vachibvunzawo - kana isu...
Central Arizona Project yakaisa $1 miriyoni mukutsvakurudza kumera kwemakore. Nzira yacho inosanganisira kudyara makore pamusoro peRocky Mountains nesirivha iodide. Mamwe masayendisiti anotya kuti sirivha inogona kuwanda mumvura iri murwizi. Panewo kusava nechokwadi kwomutemo pamusoro pokuti ndiani anofanira kuwana mvura yokuwedzera.