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Ferrelcellen

Ferrelcellen er et stort globalt system av luftstrømmer i atmosfæren, en såkalt sirkulasjonscelle. Det finnes tre slike celler, de andre to er Hadleycellen over ekvator og polarcellen over polområdene. Ferrelcelle systemet ligger over midlere breddegrader (mellom 30 grader og 60 grader, det såkalt vestavindsbeltet) på både den sørlige og den nordlige halvkule. I ferrelcellen flyter luften mot polene og østover nær overflaten av jorda, men mot ekvator og vestover høyere opp i atmosfæren. Denne bevegelsen er det motsatte av luftstrømmen i Hadleycellen. Sirkulasjonscellene har stor betydning for de lokale temperaturene på jorda.

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