tornado

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Across
  1. 1. Vortex(lots)motion of air
  2. 3. Column-shaped
  3. 4. Internal wind speeds
  4. 6. Supplies necessary to survive
  5. 8. Extreme threat to life and property
  6. 9. Cone-shaped cloud
Down
  1. 2. Violently(fast)rotating
  2. 4. Humid air near the ground with cooler and dry air
  3. 5. Causing lots of injuries
  4. 7. Causes considerable to severe damage