Frosty Thoughts

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Across
  1. 4. Slalom activity
  2. 6. Itchy winter layer
  3. 7. Rink surface
  4. 11. Hockey trophy
  5. 12. Snow tire modification
  6. 14. Snowy is one type
  7. 15. Ice dissolver
  8. 17. Natural light show
  9. 18. Having leaves year round
Down
  1. 1. Glove's kin
  2. 2. Ice orb
  3. 3. Essential snowman vegetable
  4. 5. Fireplace
  5. 8. Break from cold weather perhaps?
  6. 9. A combination of rain and snow
  7. 10. Football season finale
  8. 13. Windshield clearer
  9. 16. Winter slider
  10. 17. Polar region