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Cloud Development

Learn about the process of cloud development, from condensation and freezing nuclei to the formation of salt particles that attract water. Discover how rising motion leads to cooling and saturation, resulting in warm rain, cold cloud processes, supercooled water, freezing rain, and sleet. Explore freezing rain occurrences in the NW, including the Passes and The Columbia Gorge, cloud seeding, and the impact of contrails on climate with net warming effects.

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Cloud Development

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  1. Cloud Development

  2. Step 1: Condensation And Freezing Nuclei

  3. Salt particles attract water….they produce hygroscopic nuclei

  4. Step 2; Rising Motion Producing Cooling and Saturation

  5. The Warm Rain Process

  6. Cold Cloud Process

  7. Supercooled Water

  8. Freezing Rain

  9. Freezing Rain in the NW: The Passes and The Columbia Gorge

  10. Freezing Rain in the Gorge

  11. Sleet

  12. Cloud Seeding

  13. Contrails:

  14. Contrails and Climate: Net Warming

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