How are blizzards named and classified?

Related questions

1. Is a Nor Easter a blizzard?
2. How can you protect your house from blizzards?
3. How many people died in the blizzard of 1978?
4. What is called Blizzard?
5. What city has the most blizzards?
6. Where did the blizzard happen?
7. What was the worst winter storm in history?
8. What caused the Blizzard of 1978?
9. How many inches of snow is a blizzard?
10. Is 1 inch of snow a lot?

Tags

1. #gusts
2. #falling
3. #frequent
4. #sustained
5. #heavily
6. #hours
7. #greater
8. #winds
9. #blizzard
10. #three
11. #exact
12. #longer
13. #classified
14. #requirements