WMOD00394

• Contract/Permit #: 14-06-D-6467
• Project Name: Weather Modification Pilot Project
• Title: Weather Modification - A Pilot Project - San Juan Mountains, Colorado River Basin - Final Report
• Date: 2/1/1974
• Weather Modification - Doc Type: Report

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SECTION

D.

E.

Phys ical Bas is. . 49
Operating Criteria 50
Procedure . . . . . 50
1. Determination of Experimental Days 50
2. Declaration of Seeded and Not Seeded
Days from Randomization Schedule 51
Carrying Out Efficient Seeding
Operations . . . . . . . . . .
Observations of Meteorological
Data, Precipitation, and Cloud and
Atmospheric Variables . . . .

TAB L E

CON TEN T S

o F

Data Collection . . . . . . . . . . .

1.

Data Requirements for Evaluation

a. Precipitation
b. Streamflow.
c. Radar
d. Upper Air
e. Other

2.

Data Requirements for tonducting Operations

a. National Weather Service Synoptic
Weather Data. . . . . . . . . .
b. Upwind Radiosonde Observations
c. .- Surface Weather Data.
d~ Radar.....
e. Ice Nuclei Data

Operations. .

1.
2.
3.

Operations Base
Seeding Method .
Seeding Equipment and Materials.

a.
b.

Seeding Generator
Seeding Material.
Seeding Rate. . .
Testing of Seeding Generators
Generator Sites . . . . . . .
Initiation and Termination of Seeding

c.
d.

e.

f.

4.

Operational Procedures

a.

b.

c.

3.

4.

PAGE

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4"
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