WMOD00296 ‎(2)‎

• Contract/Permit #: 14-06-D-5640
• Title: Park Range Atmospheric Water Resources Program Final Report
• Date: 9/30/1969
• Weather Modification - Doc Type: Report

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TABLE OF CONTENTS
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Section Page
1.0 SUMMARY OF PURPOSE, DESIGN, AND CON-
CLUSIONS 1
1.1 Objectives of the Project 1
1.2 Experimental Design 1
1. 2.1 Pulsed Seeding Design 1
1. 2. 2 Randomized Seeding Design 3
1.3 Development and Use of Special Equipment and
Observing Techniques 3
1. 3. 1 Precipitation Rate Measurements 3
1. 3. 2 Ice Nucleus Measurements and Inert
Tracers 3
1. 3. 3 Snow Sample Collection and Analysis 3
1. 3. 4 Replica Analysis and Identification of
Sil ver Iodide Ice Nuclei 4
1. 3. 5 Radar and Radiosonde Measurements 4
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1. 3. 6 Diffusion Tests 4
1.4 Analysis Procedures 4
1.5 Summary of Conclusions 5 ~
1.6 Report Outline 5
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2. 0 INSTRUMENT A TION, OPERATIONS, AND DATA
COLLECTION 7
2.1 Nuclei Generation 7
2. 2 FM/FM Tone Telemetry Controller 18
2. 3 Aircraft Operations 18
2. 4 Radiosonde Releases 19
2. 5 Radar Observations 19
2.5. 1 Introduction 19
2. 5. 2 Method of Obtaining Data 21
2. 6 Snow Crystal Replica Collection and iillalysis 22
2. 7 Identification of Silver Iodide Particles as Ice Nuclei 22
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2. 8 Silver Content of Snow Water 23
2. 9 Snow Sensor Network 26
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