WMOD00096

• Contract/Permit #: #80-2
• Applicant: Western Weather Consultants
• Project Name: N. Central Mountains
• Date: 12/1/1979
• Weather Modification - Doc Type: License & Permits

DECISION AND PERMIT-Page 3

17. The project is designed to minimize risk and maximize scientific gains or
economic benefits to the residents of the area or the State of Colorado. The
recommendation of the Weather Modification Advisory Committee supports this
finding~;

PERMIT GRANTED

A Weather Modification Permit is hereby issued to the Applicant, such
Permit being applicable solely to the operation described in application of
August 25, 1978, amended October 18, 1978, as modified by the TERMS AND CONDITIONS
prescribed below.

TERMS AND CONDITIONS

The permit herein granted is limited by and subject to the following
terms and conditions:

1. This permit shall be in force from November 3, 1978 until March 31, 1979.

2. The project area to be seeded is hereby limited strictly to that area
set forth in the application as defined by the attached (amended) map referenced
as Exhibit F. The Applicant shall strictly adhere to the project area. The
applicant shall use only those generators set forth on the attached map and
shall provide the Executive Director a description of the location of each
generator, with reference to roads, buildings, or other physical landmarks, and
the name, mailing address, and telephone number of each generator operator.
Any change in location or number of generators must be with the approval of the
Executive Director.

3. The Applicant shall suspend seeding operations when one or more of the
following occurrences take place:

a. When i:the average snowpack reaches 200 percent of nonnal snowpack
during the months'of November through January.

b. When the average snowpack reaches 175 percent of normal snowpack
during the month of February.

c. When the average snowpack reaches 150 percent of normal snowpack
during the month of March.

The above suspension levels were recommended by the State Weather Modifi-
cation Advisory Committee.

The average snowpack will be calculated by averaging the actual Soil Conserva-
tion Service snowpack readings for water content from eight representative
selected snow sites in the project area. The selected sites shall be forwarded
to the Executive Director immediately, as will monthly reports from each snow
course listing the current snowpack readings. The normal snowpack will be the
average water content of the snowpack for the past 15 years of record for each
of the selected snow courses.

5.
of the

The Applicant shall also suspend seeding operations where one or more
following occurrences take place:

a.

When weather forecasts or actual storms are producing unusually heavy
.preciIi-tation amounts that could pos,sibly contribute to avalanches
or severe weather conditions in the project area.

b. Guidance for avalanche & severe storm is set forth in greater detail
in Attachment C which shall be adhered to by the permittee.

c. When the United States Forest Service Rocky Mountain Avalanche Forecast
Center issues the warning "all travelers should use extreme caution"
in the project area.

d. When the Executive Director specifies that seeding should be suspended.