title: Cimilada Colorado: Laba duufaan ayaa keeni doonta barafka buuraha dhamaadka usbuuca
abstract: Iyada oo heerkulka Colorado uu aad u sarreeyo Arbacada iyo Khamiista, laba duufaan oo u dhow Alaska ayaa si fiican loo abaabulay. Labaduba waxay saameyn ku yeelan doonaan gobolka Rocky Mountain.