Winter 33

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Across
  1. 3. Near-zero visibility in snow
  2. 4. Home heating system
  3. 5. Long winter dormancy
  4. 10. Heavy snowfall event
Down
  1. 1. Holiday ballet title
  2. 2. Flightless polar bird
  3. 6. Large woodland animal
  4. 7. Completely cloudy sky
  5. 8. Felt temperature effect
  6. 9. Low cloud near the ground