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Chapter 10: Game Mastering / Environment / Natural Disasters


Source Core Rulebook pg. 519 2.0
In a tornado’s path, wind conditions impose severe circumstance penalties, but creatures that would normally be blown away are instead picked up in the tornado’s funnel, where they take massive bludgeoning damage from flying debris as they rise through the cone until they are eventually expelled (taking bludgeoning damage from falling).

Tornadoes usually travel around 300 feet per round (roughly 30 miles per hour). They normally travel a few miles before dissipating. Some tornadoes are stationary or travel much faster.