How Fast Is Blizzard Wind?

Blizzard winds blow at 54 km/h — the threshold below which it cannot officially be classified as a blizzard. The official US definition also requires visibility under 400 metres for at least 3 hours, sustained.

A "blizzard" is a precise meteorological term — not just any heavy snowfall qualifies.

• Same speed as a greyhound sprinting
• The official threshold for the term