WMOD00404

• Title: Thailand Applied Atmospheric Research Program - Final Report - Volume II
• Date: 3/1/1994
• Weather Modification - Doc Type: Report

Figure

B.ll.I0

B.II.11

BJL12

B.II.13

BJL14

BJL15

BJL16
B.ll.17

B.ll.18

B.ll.19

C.1
C.2
C.3
D.3.1
D.3.2

D.3.3

D.3A
D.3.5
D.3.6

D.3.7.a

D.3.7.b

D.3.7.c

DA.1

DA.2.a
DA.2.b
DA.2.c
D.5.1.a

D.5.1.b

CONTENTS -- CONTINUED

APPENDIX FIGURES - CONTINUED

Page

Line plots of mean S and mean NS reflectivities, cell heights, areas, and
rain volume rates for all of the cell data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
As in figure BJLI0, but for the cell data when cloud-base temperatures

exceeded 16 oC . . . . . . . . . . . . 0 . . . . . . . . . 0 . . 0 . . 0 . . . 0 0 . . . . . . . . 0 . . . 0 . . . . . . 94

Line plots of mean S and mean NS cell areas and rain and rain volume rates
for all of the cell data . . . . . . . . . . . . . . 0 0 0 . . . 0 . . . 0 . . . . . . . . . . . . . . . . . . . . . . . 95
As in figure B.ll.12, but for the cell data when cloud-base temperatures

exceeded 16 oC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Scatter plot of the total rainfall produced by the NS and S cells prior to real
or simulated treatment versus the total rainfall produced by the cells in their

lifetimes . . . . . . . . . . . . . . . . . . . . . 0 . . 0 0 . . . . . 0 . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Composite time-height reflectivity (dBZ) plots of the cells treated with AgI and for
the cells that received simulated AgI treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
As in figure B.II.15, but for cells having cloud-base temperatures> 16 oC ........ 98
Difference composite time-height reflectivity (dBZ) plots for the cells having
cloud-base temperatures> 16 oC ....................................... 99
Log-log plot of the rain volume for the NS experimental units in the hour prior
to initial simulated treatment versus the unit rain volume in the two subsequent

hours . . . . . . . . . . . . . . . . . . . . 0 0 0 . 0 0 0 0 . . . . . . . . . . . . . . 0 . . . . . . . . . . . . . . .. 103

Plot of ratios of S to NS unit rain volumes by 30-minute time intervals relative
to the time of initial treatment. . . . . . . 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 103
Example of revised GPCM output (Chiang Mai, August 16, 1993) ...........0. 115
Linear regression plot for updraft radius of 2 kilometers ............. 0 . . . . .. 116
MLR plot for Predict values with RETE95 0.............................. 119
Atmospheric sounding taken at Port Blair, India, July 20, 1979, 0600 GMT . . . . .. 128
Atmospheric sounding taken at Chiang Mai, Thailand, August 10, 1992,

0000 GMT ....................................................... 130

Atmospheric sounding taken at Chiang Mai, Thailand, August 22, 1992,

0000 GMT ............... 0 0 . . 0 . . . 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 130

Model input nuclei spectra . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 132
Cumulative number concentration of model input nuclei .................... 132
Cumulative number concentration of the hygroscopic flare nuclei as released
and after 60 minutes dispersion under stratus and cumulus conditions :-... . . . .. 135
Spectra of combined natural nuclei and hygroscopic flare nuclei activated under
typical cloud conditions ............................................. 135
Cumulative number concentration of combined natural nuclei and hygroscopic
flare nuclei activated under typical cloud conditions . . . . . . . . . . . . . . . . . . . . . . .. 136
Comparison between CCN activated at cloud base for natural nuclei spectra
and natural nuclei spectra modified by the hygroscopic flares ...... 0 0 . . . . . . .. 136
Equilibrium saturation ratio ai; a function of normalized radius for four
hygroscopic chemicals .........:.................................... 137
Radius of 10-micron-radius hygroscopic particles as a function of time . . . . . . . . .. 138
Same as figure DA.2.a but for 30-micron-radius hygroscopic particles .......... 138
Same as figure DA.2.a but for 50-micron-radius hygroscopic particles .......... 139
Seed-no seed ratios for hygroscopic particle seeding with 10-micron-radius
particles at cloud base and near cloud top 5 minutes after cloud formation ...... 141
Ratio of hygroscopic to equivalent water particle seeding with 10-micron-radius
particles at cloud base and near cloud top 5 minutes after cloud formation ...... 141

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