WMOD00315

• Title: Investigations of Winter Storms Over the Wasatch Plateau During the 1991 Utah/NOAA Field Program
• Prepared For: Utah Department of Natural Resources Division of Water Resources
• Prepared By: Arlen W. Huggins, Melanie A. Wetzel, Patricia A. Walsh
• Date: 10/1/1992
• State: UT
• Weather Modification - Doc Type: Report

TABLE OF CONTENTS

ABSTRACT .............................................. iii

ACKNOWLEDGEMENTS...................................... v

TABLE OF CONTENTS

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LIST OF FIGURES ......................................... viii

LIST OF TABLES .......................................... XIV

1. INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-1

2. INSTRUMENTATION, DATA REDUCTION AND DATA PROCESSING. .. 2-1
A. Microwave Radiometer Data ........................... 2-1
B. Mt. Pleasant Sounding Data . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-7
C. Synoptic Charts and GOES Sa~llite Data. . . . . . . . . . . . . . . . . . .. 2-7
D. Surface Meteorological Data.. . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-8

E. !C.-band Radar Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-9

F. NOAA Research Aircraft and NASA ER-2 Aircraft Data . . . . . . . . .. 2-9

3. STORM EPISODES DURING 1991 UT/NOAA FIELD RESEARCH PERIOD. 3-1

A. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-1

B. Description of Storm Periods ........................... 3-1
C. Summary of 1991 Utah/NOAA Storm Periods. . . . . . . . . . . . . . .. 3-97

4. SUPERCOOLED LIQUID WATER (SLW) MEASUREMENTS ABOVE THE
WASATCH PLATEAU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-1
A. SLW Occurrence Relative to Synoptic Features . . . . . . . . . . . . . . .. 4-1
B. SLW in Relation to Local Meteorological Variables ............. 4-5
C. SLW Flux Estimates ............................... 4-15
D. Spatial Distribution of SLW over the Wasatch Plateau. . . . . . . . . .. 4-24

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