Natural phenomena

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Across
  1. 4. It comes from the sky in storms.
  2. 7. Hot lava!
  3. 9. There isn't any rain.
Down
  1. 1. Wind and snow.
  2. 2. After a lot of rain.
  3. 3. Wind and rain.
  4. 5. A strange wind.
  5. 6. Everything moves, and houses fall down.
  6. 8. A very big and dangerous storm.