WMOD00453

• Project Name: Park Range Atmospheric Water Resources Program
• Title: Park Range Atmospheric Water Resources Program - Phase I
• Date: 1/1/1967
• Weather Modification - Doc Type: Report

CONTENTS

Pag~
Preface ................................ iii
List of Reports on Atmospheric Water
Resources Research.................... v
Park Range-Phase I Final Report of
E. Bollay Associates, Inc.
I. Introduction .................... 1
II. Experimental Plan .............. 5
III. Facilities and Equipment. . . . . . . . . . 11

Number Pag~
1. Steamboat Springs Climatology. . . . . . . . 7
2. Compressed-scale Weighing Gage Data-
Precipitation in Inches of Water. . . . 29
3. Artificial Nuclei Generator
Characteristics .................... 29
4. Analysis Periods .................... 32
5. Parameter (TeU vs. Diffusion Tests and
Storm Periods .................... 34
6. Silver Content in Snowcrystal Replicas
Produced by Silver Iodide Seeding. . . 36
7. Phase I Artificial Nuclei Generator
Tests, All Conducted from Emerald

Mountain ........................ 37

8. February 1965 Ag Background Concen-
tration in Target Area ............ 39

Number Pag~
1. Location of the Park Range
Experiment ................ 2
2. Steamboat Springs and a Portion
of the Target Area .......... 3
3. Block Diagram-Elements of the
Experimental Plan .......... 6

Pag~

IV. Data............................ 27

V. Analysis ........................ 31

VI. Phase II Operational Plan........ 67
Appendix A. Statement of Work ...... 73
Appendix B. Acknowledgments ....... 74
Appendix C. Program Listing ........ 75
Appendix D. Data Compilation ...... 83

Abstract ............................. 111

Tables

Number Page
9. Snowcourse ""Tater Content Values
Normalized to Buffalo Pass. .. ... . .. . 45
10. Snowcourse Data Summary, Data
Normalized to Buffalo Pass. . . . . . . . . 45
11. Interstation Precipitation Ratios Based
on Snowcourse Data 1 February 1965
to 1 May 1965. 75 percent of Pre-
cipitation During Period Came from
Wind Group 2700-3000 Storms. .. ... 45
12. Phase II Estimated Budget-2-year

Program ......................... 67
13. Network Measurement Characteristics-

Phase II . . . . . . . . . . . . . . . . . . . . . . . . . . 69
14. Data Reduction Requirements-

Phase II . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Figures

Number Page
4. Average Height of Freezing
(00 C) Level (Computed from
Data in Technical Paper No.
32-Upper Air Climatology of
the United States-U.S.
Weather Bureau) ........... 6

VII