How often do blizzards occur in the world?

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Tags

1. #about
2. #since
3. #decades
4. #preliminary
5. #research
6. #number
7. #average
8. #states
9. #coleman
10. #united
11. #doubled
12. #blizzards
13. #according
14. #muncie
15. #state
16. #university
17. #averaged
18. #geographer