WMOD00306

• Project Name: Sierra Cooperative Pilot Project
• Title: Sierra Cooperative Pilot Project - Operations Plan - 1986-1987
• Date: 10/1/1986
• Weather Modification - Doc Type: Report

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III.

CONTENTS

Section

I.
II.

SCpp Overview and Objectives

Forecasting, Suspension. . . .
A. Forecasting Services . . . . .
B. Suspension..........
C. Experimental Unit Recognition,
Predictability. . . . . . .
D. Randomization ........

. . . . . . . . . . .
Declaration,

IV.

Operation of Ground Based Equipment .
A. Ground Seeding Generators . . . . . .
1. GUIDE Model Criteria for Ground Seeding .
B. Skywater Radar . . . . . . . . . . . . . . . . .
C. Rawinsonde Observations and Equipment Maintenance .
1. Rawinsonde Release Schedule ....
2. Rawinsonde Maintenance. . . . . . . . . .
3. Rawinsonde Data Processing . . . . .
D. Kingvale HALO . . . . . . . . . . .

1. General. . . . . . . . . . . . . .

2. Radiometer Measurements . . . . . . . .
3. Ground-Based Microphysics Observations
4. K-Band Radar Operations . . . . . . . . . .
5. Precipitation Chemistry and Stable Isotope

Program . . . . . . . . . . . . . . . . .

E. Precipitation Gage Network. . . '. . .
F. Surface Meteorological Measurements .....
G. Doppler Acoustic Sounder . . . . . . . .
H. Extended Area Studi es .... . . . .
1. SCPP Extended Area Studies ....
I. Environmental Investigations.

Airborne Data Collection and Seeding Operations.
A. General Information ......... . . . .
B. Seeding Coordinator Duties . . . . . . . . . . . . .
C. Dispenser Reliability Testing . . . . . . . .
D. Priority Experiments . . . . . . . . . . . . . .
1. Flight Procedures for GUIDE Model Verification
(Fixed Target Experiment . .. . . . .
a. Launch Procedures ...... . . . .
b. Pretreatment Flight Profile. . . . .
c. AgI Measurements and Microphysical Seeding

Effects . . . . . . . . . . . . . . . . .

2. Transport andiDiffusion from Ground Generators .
3. Survey Flights of Other Basins . . . .
a. Shasta-Trinity Region. . . . .
b. Feather River Flights . . . . .
c. Truckee-Tahoe Basin ....
4. Efficiency of AgI at -6 oc .
5. Fog Dispersal Seeding Flights. . . .

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