Weather Puzzle

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Across
  1. 2. Instrument with two thermometers, a wet-bulb thermometer and dry-bulb thermometer.
  2. 5. Rain Precipitation, as rain, snow, or sleet, containing relatively high concentrations of acid-forming chemicals.
  3. 8. Destructive, rotating colum of air that has very high wind speeds and touches the ground.
  4. 9. Clouds that look like fluffy, rounded piles of cotton.
  5. 10. The temperature at which condensation begins.
  6. 14. A severe storm that develops over tropical ocean.
Down
  1. 1. Any form of of water that falls from clouds and reaches the Earth's surface.
  2. 3. Clouds that form in flat layers
  3. 4. wispy, feathery clouds.
  4. 6. Long periods of low precipitation.
  5. 7. The movement of air caused by differences in air pressure.
  6. 11. The process by which water molecules in liquid water escape into the air as water vapor.
  7. 12. Humidty The percentage of water vapor in the air compared to the maximum amount the air could hold.
  8. 13. Point The process by which molecules of water vapor in the air become liquid water.
  9. 14. A measure of the amount of water vapor in the air.