WMOD00511

• Title: Precipitation Guage Testing on the Wasatch Plateau, Utah, During Early 1993
• Date: 11/1/1993
• State: UT
• Weather Modification - Doc Type: Report

CONTENTS

Page

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Observations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Reliability of ETI precipitation gauge ............................................. 2

Analysis ................................................................... 2

Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

TABLES

Table

1 Comparison of snowboard and precipitation gauge observations . . . . . . . . . . . . . . . . . . . . 3

FIGURES

Figure

1 Plot of hourly precipitation amounts between the Belfort and ETI gauges for
all hours with snowfall indicated by either gauge . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . 5
2 Frequency distribution of differences in indicated precipitation between the
Belfort and ETI gauges .................................................. 6
3 Double-mass plot of accumulated hourly precipitation from the Belfort and

ETI gauges ........................................................... 7

4 Accumulated hourly precipitation from the Belfort and ETI gauges plotted against
the number of hours with snowfall detected by either gauge ...................... 8
5 Plot of snowboard observations against Belfort gauge observations for

the same period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Plot of snowboard observations against ETI gauge observations for the

same period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 10

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