Complete Clue List
Across
1. Black, Red and Caspian
3. Granular, frozen snow pellets
5. Air mass that forms in the extreme north or south regions
7. Brief increase in wind speed
9. Occasional description of a blue sky
11. Some meteorologists have this advanced university degree (init)
13. Upper atmosphere wind (3,6)
14. Whatever amount
15. 1971 Category 1 hurricane
17. It affects Earth's tides
19. Type of meteorological echo phenomena
20. Loose dirt blown around
21. What all the weather statistics are called
Down
1. Interaction of sunlight and air pollution
2. Rain or snow slightly
3. Type of snow skiers hate
4. Tide just after the first or third quarter of the moon
6. Visible electrical discharges caused by storms
8. Frozen rain
10. Species of legume in Guatemala
11. Free TV spot (init)
12. Free from rain
15. Elongated strip of rain or snow
16. Warmth
17. Pleasant weather
18. "Feminine" counterpart to El Nino ocean-atmosphere phenomenon La ___