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Last modified
7/28/2009 2:28:10 PM
Creation date
10/1/2006 2:14:32 PM
Metadata
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Template:
Weather Modification
Contract/Permit #
2003-01
Applicant
Don Griffith, North American Weather Consultants
Sponsor Name
Gunnison County, Dos Rios Water System, Upper Gunnison WCD, Gunnison, etc.
Project Name
Gunnison WM Permit
Title
Gunnison County Weather Modification Permit
Date
2/2/2003
County
Gunnison
State
CO
Country
United States
Weather Modification - Doc Type
License & Permits
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<br />, <br /> <br />" <br />.,' <br /> <br />. <br /> <br />. <br /> <br />9. The Permit Holder is required to record Global Positioning Systems data including latitude, longitude <br />and elevation for each generator location and make that information available to Project Sponsors and <br />the CWCB by Fybruary I, 2003. During the seeding season, the Permit Holder's cloud seeding <br />generator operators are required to keep a seeding log for each generator and fax or e-mail a summary <br />of the log sheet to the CWCB on the first of the month in December, January, February, March, and <br />April of each year of operation in this permit. <br /> <br />10. Prior written approval of the CWCB Director is required for any subsequent change in the number or <br />location of generators or operators and the Permit Holder will provide the GPS and generator <br />operator contact information to the CWCB for such approval. <br /> <br />11. The Permit Holder shall send a letter of notification and map of the target area to the Colorado <br />Avalanche Center and the Gunnison County Emergency Manager at the beginning of each season <br />(November 15) with a contact name and phone number for each of the Project Sponsors, the CWCB, <br />and the Permit Holder. The contact name for the CWCB shall be Joe Busto at (303) 866-4807. (S 24- <br />32-211). <br /> <br />12. The Permit Holder shall conduct seeding with a solution of silver iodide in acetone burned in a <br />propane tank at an average rate of release from any single variable or fixed rate generator not to <br />exceed a reasonable rate. <br /> <br />13. The Permit Holder shall prepare a brief summary of cloud seeding operations, with input from the <br />Project Sponsors, that gives a brief summary of the year's seeding operations. The final report shall <br />include: seeding logs for every generator site for the seeding year (November 15 - April 15), a <br />graphic illustration of USDA - NRCS SNOTEL data for the 30..year average, actual and suspension <br />criteria for selected target areas named in this permit in section 14, and a discussion of effectiveness <br />and benefits as well as challenges. (s 36-20-117). <br /> <br />14. The Permit Holder shall suspend seeding operations if at any time the average of the snowpack <br />accumulations measured in equivalent inches of water, at the SNOTEL and snow course sites <br />selected to represent the target area, exceeds a continuous function defined by the following points: <br />A. 175% of average on December 1" <br />B. 175% of average on January 1" <br />C. 160% of average on February 1" <br />D. 150% of average on March 1" <br />E. 140% of average on April 1" <br />The Permit Holder shall monitor the snowpack accumulation bi-weekly from snow survey <br />measurements through SNOTEL and Snowcourse data that is conducted by the Natural Resources <br />Conservation Service, U.S. Department of Agriculture. SNOTEL and Snowcourse monitoring sites <br />were selected to reflect the nearest site in the target areas. Reporting on SNOTEL sites will start <br />December 1 and reporting on Snowcourse sites will start January 1 or as soon as data is available for <br />the particular Snow course site. Average snowpack will be calculated as the unweighted average of <br />the water content of the snowpack for the updated 30-year based period from 1971 to 2000 at <br />identified SNOTEL and Snowcourse sites. The following SNOTEL and Snowcourse sites were <br />picked for proximity to the target area and shall be monitored by the Permit Holder and Project <br />Sponsors for compliance with the suspension criteria listed in this permit sections 14 (A-E) For the <br />actual suspension criteria, the first number is the historical average and the lower, bolded number is <br />the suspension criteria: <br /> <br />3 <br />
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