Solve these clues to fill the grid.
- Warm weather following a freeze
- 2 Across
- A technique used in behavior therapy
- 4 Across
- A wispy white cloud at a high altitude
- 6 Across
- An increase in the average temperature of the earth's atmosphere
- 9 Across
- The process of becoming a vapor
- 10 Across
- Layer of air around the Earth
- 13 Across
- Any collection of particles or gases that is visible (plural)
- 14 Across
- The quantity of water falling to earth at a specific place within a specified period of time
- 1 Down
- The second highest instrument in a family of musical instruments
- 3 Down
- A large dark low cloud
- 5 Down
- A globular cloud
- 6 Down
- The occurrence of surplus liquid exceeding the limit or capacity
- 7 Down
- The process of changing from a gaseous to a liquid or solid state
- 8 Down
- State of matter that fills any space, like air
- 9 Down
- A ___ of unusually hot weather
- 11 Down
- A shortage of rainfall
- 12 Down