WMOD00318

• Title: A Cooperative Project Between the Kingdom of Morocco and the United States
• Date: 9/1/1989
• Country: United States, Morocco
• Weather Modification - Doc Type: Report

CONTENTS - Continued

6.2.3 Cloud seeding operations methodology and physical basis . . . . . . . .
,6.2.4 Scientific design and evaluation procedures ..................
6.3 Physical studies and scientific collaboration .........................
6.4 Operations direction, project management, and logistics procedures .......
6.5 Hydrologic-economic evaluation and application studies . . . . . . . . . . . . . . . .

6.6 Formal seminars .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7. Conduct of cloud seeding operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 . . . .
7.1 Frequency of radar echoes over target area .........................
7.2 Cloud seeding operations performed ..............................
7.3 Operational efficiency .........................................

8. Scientific studies and results . . . . . . . . . . . . . ~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.1 Cloud physics analysis ...................................... . . . .
8.1.1 Natural precipitation processes. . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.1.2 Comparison to microphysical observations over other barriers. . . . .
8.1.3 Seedability of Moroccan clouds ...........................
8.2 Airflow and cloud physics modeling studies .........................

8.2.1 Objectives...........................................

8.2.2 General description ....................................
8.2.3 Simulation of aircraft seeding. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2.4 Simulation of ground-based seeding . . . . . . . . . . . . . . . . . . . . . . . .
8.2.5 Comparison of model predictions with aircraft measurements . . . . .

8.2.6 Conclusions..........................................

8 3 0 h. . 't t' d l'
. rograp Ie preclpl a Ion mo e mg . .. . . . . . . .. . . . . . . . . . . . . . . . . . . . . .

8.3.1 Introduction .........................................

8.3.2 The Rhea orographic precipitation model . . . . . . . . . . . . . . . . . . . .
8.3.3 Adaptation of model to Morocco . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.4 Summary of model results ...............................

8.4 Radar echo studies ...........................................

8.4.1 Radar description and capabilities .................... 0 . . . .
8.4.2 Data collection procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4.3 Quality control and data management .. 0 . . . . 0 0 . . . . . . . . . . . . .
8.4.4 Display and analysis of data . . . . . . . . . . 0 . .0 . . . . . . . . . . . . . . . .
8.4.5 Target-control analyses .. 0 . 0 0 . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4.6 Radar-rain gauge comparison . . . . . . . . . . . . 0 . . 0 . . . . . . . . . . . . .
8.4.7 Radar echo characteristics .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.4.8 Summary ...........................................

8.5 Snow cover mapping and snowmelt runoff studies ....................
8.5.1. Objectives of the retrospective snow cover study . :. . . . . . . . . . . . .
8.5.2 Description of the retrospective snow cover study . . . . . . . . . . . . . .
8.5.3 Results of the retrospective snow cover study . . . . . . . . . . . . . . . . .
8.5.4 Objectives of the snowmelt runoff modeling studies ............
8.5.5 Description of the snowmelt runoff modeling studies ...........

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