Puzzle for a Polish Winter

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Across
  1. 2. Town holds record for coldest temp, January 1940, -41 degrees
  2. 8. Highest mountain point in Poland, and coldest
  3. 10. Common winter bird
  4. 11. In winter, largest frozen lake in Poland
  5. 12. Poland's southern mountain range
  6. 14. In 2007, the most dangerous winter road in Poland
  7. 15. Famous hattery in Warsaw, since 1926
  8. 16. Forest famous for its Bison
  9. 18. Dzień Dziadka, Grandpa's Day, is celebrated on January __
  10. 19. Polish skier's 'paradise' town
  11. 20. Best-known soup for winter
Down
  1. 1. ____ Early 2017 Polish blizzard hits ____ thousand homes
  2. 3. Astronomer born on February 19, 1473
  3. 4. Witold _____, composer born on January 25, 1913
  4. 5. Coldest month in Poland
  5. 6. Biggest block of ancient ice found in ___ Cave, in Ciemniak
  6. 7. Poland's most famous ex-ski jumper
  7. 9. Coldest day-to-day winter town in Poland
  8. 13. Dzień Babci, Grandma's Day, is celebrated on January __
  9. 17. ____ Riordan, former ice skater mentored by Elaine Zayak