Spring/Winter Weather

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Across
  1. 3. The first migratory bird to return north
  2. 4. A calculation of humidity and temperature
  3. 6. Flower and leaf pods that have not yet opened (plural)
  4. 7. When the flowers appear
  5. 9. Yellow weeds we see in late spring
  6. 10. Half melted snow
  7. 11. Invisible ice
  8. 12. A mix of dirt and water
Down
  1. 1. A weather forecasting rodent
  2. 2. A calculation of windspeed and temperature (2 words)
  3. 5. When water levels are too high causing damage
  4. 7. A synonym for snowstorm
  5. 8. The opposite of freeze
  6. 12. The month in which spring officially begins