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  1. Double Tornadoes Aren't Particularly Rare, But Yesterday's Was ...

  2. Twin Tornadoes: Not As Rare As You Might Think

  3. Ten Amazing Facts About Tornadoes, Explained | Smithsonian

  4. Multiple-vortex tornado - Wikipedia

  5. Tornado records - Wikipedia

  6. Are sister tornadoes real? What to know about 'Twisters' …

  7. 10 Tornado Myths Busted | Weather.com - The Weather Channel

  8. How and Why Do Violent Tornadoes Form? | Smithsonian

  9. What is a multi-vortex tornado? Why the EF3 storm that hit New …

  10. How tornado season is changing - Vox