Weather extremes

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Across
  1. 2. bright flashes of light in the sky
  2. 4. a period of very hot weather
  3. 7. a large amount of snow falling down from the mountain
  4. 8. eruption if a volcano erupts, when lava comes out of the top
  5. 9. a sudden movement of the ground
  6. 10. a very strong wind that quickly spins
  7. 12. a storm with lots of snow and strong winds
Down
  1. 1. a large wave after the earthquake
  2. 3. a violent storm with extremely strong winds
  3. 5. a heavy storm with thunder
  4. 6. if water floods a place, it covers it
  5. 11. a period of time when there is no rain and crops die