WMOD00299

• Title: Physical Structure of Northern Colorado River Basin Cloud Systems
• Date: 9/1/1985
• State: CO
• Weather Modification - Doc Type: Report

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72. Ice crystal size spectra for selected points on the 5 Jan 82
1539-1546 GMT sounding over RAD..............................212

73. Ice crystal concentrations as a function of height and
temperature for the 2303-2310 GMT sounding 10 km west

of RAD on 31 Jan 82......................................... .215

74. Ice crystal size spectra for selected points (A-D) on the
31 Jan 82 2303-2310 GMT sounding.............................216

75. Ice crystal size spectra for selected points (E-G) on the
31 Jan 82 2303-2310 GMT sounding.............................217

76. 19 year climatology of the 70 KPa temperature for the
months of November through March at Grand Junction, Co.......220

77. Shadow photographs of the 15 Dec 81 storm showing a large

nUlDber of needles........................................... .223

78. Vertical temperature structure of the atmosphere at 1500 and
1800 GMT during the 15 Dec 81 storm system...................224

79. Ice crystal concentrations (l-l) as a function of height
and temperature for the 1654-1707 GMT. 15 Dec 81 sounding

over HAD..................................................... 225

80. Ice crystal size spectra in the -10oC region of the
1654-1707 GMT, 15 Dec 81 sounding over RAD...................227

81. Vertical temperature structure of the atmosphere at 1500 and
1800 GMT during the 21 Dec 81 storm system...................228

82. Aircraft flight track for the 21 Dec 81 storm................236

83. Ice crystal concentration (1-1) as a function of height
and temperature for the 1632 to 1636 GMT, 21 Dec 81 sounding

over HAD..................................................... 237

84. Ice crystal size spectra at selected points on the 21 Dec 81
1632 to 1636 GMT sounding over RAD...........................23~

85. Largest 2D-c images observed during 1032-1036 GMT, 21 Dec 81

sounding over RAD............................................ 23 9

86. Climatology of rime observations at RAD and SPL..............241

87. Shadow photographs showing mixtures of rimed and unrimed

partial es. . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . .243

88. Aggregate flux as a function of surface temperature at RAD...251

89. Number of crystals in aggregates as a function of

surface temperature.............. ',1 .,. . .... ... . ........ .. I," .252