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Last modified
7/28/2009 2:31:54 PM
Creation date
10/22/2007 11:47:37 AM
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Weather Modification
Title
The Southern Plains Experiment in Cloud Seeding of Thunderstorms for Rainfall Augmentation Phase I (SPECTRA 1)
Prepared For
Texas Department of Licensing and Regulation
Prepared By
Duncan Axisa, Seeding Operations and Atmospheric Research
Date
3/1/2006
State
TX
Weather Modification - Doc Type
Report
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Figure 7a: The CCN number concentration (cm) (blue) is <br />Figure 7b: The CDP Effective Diameter (m) (red) is plotted <br />-3 <br />plotted across Calculated supersaturation (SS). A curve <br />across Cloud depth m. The cloud depth is calculated b <br />()y <br />fit smoothing line (smoothing value of 20%) is shown in <br />subtracting the cloud base measured by the aircraft from the <br />bold red. The CCN data plotted is over a time period <br />GPS altitude. The CDP Effective Diameter plots are for <br />when the aircraft was flying just below cloud base. The <br />concentrations greater than 100 cm. The ordinate scale is <br />-3 <br />time period, the number of supersaturation SS ccles, <br />()y <br />logarithmic. A curve fit line is applied and the equation of the <br />and the variation in altitude during the measurements are <br />line is given in the upper left of the plot. <br />shown in the upper riht of the plot. <br />g <br />) (blue) and the <br />Figure 7d: The CIP number concentration (L <br />Figure 7c: The CDP Effective Diameter (m) (red) and <br />-1 <br />CDP number concentration (cm) (red) is plotted across Cloud <br />-3 <br />blue are plotted across <br />the CIP Effective Diameter (m)() <br />depthm. The CIP concentration is plotted for particles with <br />() <br />Cloud depth (m). The CDP and CIP Effective Diameter <br />Effective Diameters greater than 100m. The CDP <br />plots are for CDP concentrations greater than 100 cm. <br />-3 <br />concentration is for droplet concentrations greater than 50cm. <br />The abscissa scale is logarithmic. <br />-3 <br />The abscissa scale is logarithmic. <br />28 <br />
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