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  Technical Documents Pertaining to Weather Modification and Cloud Seeding  
  This section will be periodically updated with technical and environmental reports pertaining to cloud seeding. This will help members and non-members to keep up with the most current technical information in the field of weather modification. If you have a technical document that you would like to share with the Weather Modification Association, please contact the WMA Webmaster.  
 
 

Los Angeles Mitigated Negative Declaration - County of Los Angeles (PDF - 5.94 MB)

Enhancing Winter Orographic Snowfall in the West Through Cloud seeding - David Reynolds, CIRES(PDF - 5.52 MB)

Environmental Assessment for the Walker River Basin Cloud Seeding Project - U.S. Department of the Interior Bureau of Reclamation(PDF - 1.03 MB)

Walker Basin: Finding of No Significant Impact Walker River Basin Cloud Seeding Project - U.S. Department of the Interior Bureau of Reclamation (PDF - 331 KB)

Extra Area Effects of Cloud Seeding - An Updated Assessment (PDF - 1.8 MB)

Santa Barbara County and Twitchell Reservoir Cloud Seeding Program CEQA Final Mitigated Negative Declaration - County of Santa Barbara (3.6 MB)

Contrails verses Chemtrails: An Interesting take on aircraft ice crystal plumes - Daryl O'Dowd (205 KB)

Geochemistry and Impacts of Silver Iodide Use in Cloud Seeding - Cardno Entrix Report (PDF - 950 KB)

 
 
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