Natural disasters / weather / irregular verbs

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Across
  1. 2. What's the past irregular of 'sweep'?
  2. 3. What's the past irregular of 'buy'?
  3. 6. what's name of weather in which the water is falling from the skies?
  4. 8. What's the name of weather in which the sun is not that visible?
  5. 9. What's the past irregular of 'take'?
  6. 10. What's the past irregular of 'break'?
Down
  1. 1. What's the name of weather in which the temperature goes down to low cold degrees?
  2. 4. What's the name of disaster that causes huge waves?
  3. 5. What's the name of disaster that causes a massive bunch of snow falling down the mountain?
  4. 7. What's the name of disaster that causes massive and strong winds?