tri-state-tornado-1925

The Tri-State Tornado – 1925

Tornadoes form where warm, moist air is trapped below cold, dry air; when the cold air is punctured, the rapidly rising warm air begins to rotate as it cools. That creates clouds and thunderstorms – but it can also form a funnel that spins at speeds of up to 400 kph (250 mph). When the …

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