Winter House Festival

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Across
  1. 4. A large snowstorm with high winds
  2. 6. Ornament
  3. 8. You might get a kiss under this plant
  4. 9. Ice sport
  5. 12. Used to move snow
  6. 13. Shaking due to being cold
  7. 15. Turned into ice
  8. 17. Winter is one of four of these
  9. 18. How cold is it?
Down
  1. 1. Frozen person
  2. 2. Deck the halls!
  3. 3. What's red and white all over?
  4. 5. A mass of snow falling rapidly
  5. 7. Winter in the southern hemisphere
  6. 8. Birds heading south for the winter
  7. 10. Feathery ice crystal
  8. 11. Sleeping through winter
  9. 14. A tasty structure for a house
  10. 16. Top of the tree!