WMOD00373

• Title: Investigations of Winter Storms in Utah
• Prepared By: Alexis B. Long, Atmospheric Sciences Center
• Date: 12/1/1986
• State: UT
• Weather Modification - Doc Type: Report

Figure 59. Mean precipitation rate (mm hr-l) at each gage Pl, P2, ...
for A, C and 0 PETs individually and for all PETs combined.

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Figure 60. Geopotential height contours (dam) of the 500 mb constant 176
pressure surface over the United States, southern Canada and
northern Mexico at ~ 1700 MST on 7 February 1985 and at 0500
MST and 1700 MST on 8 February 1985.

Figure 61. Same as Figure 60 but for 0500 and 1700 MST on 9 February 177
1985 and 0500 MST on 10 February 1985.

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Figure 62. Temperature contours (OC) of the 500 mb constant pressure
surface and temperature at 500 mb at the indicated sites for
l700 MST on 7 February 1985, 0500 and 1700 MST on both 8 and
9 February 1985, and 0500 MST on 10 February 1985.

Figure 63. Dewpoint temperature contours (OC) of the 500 mb constant
pressure surface and dewpoint at 500 mb at the indicated
sites for l700 MST on 7 February 1985, 0500 and 1700 MST on
both 8 and 9 February 1985, and 0500 MST on lO February
1985.

Figure 64. Same as Figure 60 but for 700 mb.
Figure 65. Same as F i gu re 6l but for 700 mb.
Figure 66. Same as Figure 62 but for 700 mb.
Figure 67. Same as Figure 63 but for 700 mb.
Figure 68. Surface pressure analysis over the western United States,
southwestern Canada, and northern Mexico at 0500 MST, 1100
MST, 1700 MST, and 2300 MST on 8 February 1985.

Figure 69. Same as Figure 68 but for 0500 MST, 1100 MST, 1700 MST, and
2300 MST on 9 February 1985.

Figure 70. Cumulative geopotential height change (m), temperature (C),
and dewpoint temperature (C) plotted as a function of time
and pressure-altitude.

Figure 71. Same as Figure 70 but the variables shown are the dewpoint
temperature depression (C) and equivalent potential tempera-
ture, ee (K).

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Figure 72. Outline of "cold" cloud coverage in the States of Nevada and . 204
Utah from 0600 MST to 1600 MST on 8 February 1985 based on
GOES satellite imagery.

Figure 73. Same as Figure 72 but for 1800 MST on 8 February 1985 to
0400 MST on 9 February 1985.

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