WMOD00374

• Contract/Permit #: 03-FC-81-0925
• Title: Numerical Simulations of Snowpack Augmentation for Drought Mitigation Studies in the Colorado Rocky Mountains - Final Report
• Date: 9/1/2005
• State: CO
• Weather Modification - Doc Type: Report

I
I
I
I
I
I
I
I
,
I
1
1

I

I

~
~
I

I
I

I
:1

""."",,,,.-~=-,,..;..;.;:~d;

TABLE OF CONTENTS

List of Tables
List of Figures
List of Appendixes
Acknowledgements
Colorado Weather Modification Grant Program
Executive Summary
Glossary and Acronyms

1. Introduction
1.1 Weather Damage Modification Program
1.2 Project Administration and Management
1,3 Current Status of Winter Orographic Cloud Seeding
1.4 Colorado Weather Modification Permit Program
1.5 Denver Water Operational Cloud Seeding Program
1.6 Colorado State University Regional Atmospheric Modeling System

2. PROJECT OVERVIEW
2.1 Colorado WDMP Research Project Goal and Objectives
2,2 Denver Water 2003-2004 Operational Cloud-seeding Program
2.3 CWCB-CSU Interagency Agreement
. 2.4 Task 1
2,5 Task 2
2,6 Task 3
2,7 Task 4
2.8 Post-operational RAMS Control and Seed Runs
2,9 Task 5
2,10 Task 6

3. Results and Findings
3,1 Use of RAMS Real-time Forecast Output for Cloud Seeding Activities
3.2 Comparison of Model Control Precipitation and SNOTEL Observations
3,3 Comparison of Model Control and Seed Simulated Precipitation
3.4 Model Background and Seed Ice Forming Nuclei Concentrations
3.5 Distribution and Change of Model SLW for Control and Seed Days
3.6 Comparison of Rawinsonde and Model Low-level Temperatures
3,7 MRBP Evaluation of Model Performance
3.8 Lagrangian Model Simulation Transport and Dispersion Case Studies

4. Conclusions and Recommendations
4,1 Conclusions from the Colorado WDMP Research Project
4,2 Recommendations for Future Research and Operational Projects

"~~"'~2,'_~_

Page
iv
v
ix
x
xii
xv
xix

1
1
1
2
4
6
6

10
10
10
16
16
20
21
24
33
35
36

38
38
40
55
65
73
80
84
86

103
103
105

iii

~