WMOD00215

• Contract/Permit #: #84-2
• Applicant: Western Weather Consultants
• Project Name: Animas, La Plata, Mancos, Dolores River
• Date: 11/15/1983
• Weather Modification - Doc Type: License & Permits

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WEATHER MODIFICATION PERMIT

WY 84-2
Page 4

5. Generators shall be operated only under wind conditions specified
in Attachment D.

6. The selection of suitable clouds for seeding operations will be
based on an evaluation of multiple meteorological and cloud physics
parameters as defined in Attachment B.

7. Applicant shall suspend seeding operations if snow moisture content
reaches one or more of the following:

a. 150~ of snowpack average during the months of November,
December, or January;

b. 140~ of February snowpack average during the month of February;

c. 135~ of March snowpack average during the month of March.

Average snowpack for determining suspension will be calculated by
averaging snowpack readings for water content from representative snow
course and SNOTEL sites in the project area as calculated by the Soil
Conservation Service Snow Survey Unit. The sites shall be selected by
the Department of Natural Resources and the Contractor.

8. Applicant shall suspend seeding operations if:

a. Weather forecasts or actual storms produce unusually heavy
precipitation that could contribute to avalanches or severe
weather conditions in the project area;

b. The Colorado Avalanche Information Center issues an avalanche
forecast warning in the project area;

c. The Executive Director orders suspension of seeding.

9. Applicant shall consult with the Colorado Avalanche Information
Center prior to seeding and inform the Colorado State Highway Patrol
(Denver Dispatch Office) when seeding occurs.

10. Applicant shall submit reports on cloud seeding activity:

a. Copies of form WK3 - indicating all generator operations and
the intended results bi-weekly:

to the Department of Natural Resources