CPI Images
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The CPI Offers Unsurpassed Imaging Detail Click to zoom in |
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CLOUD PARTICLE IMAGER (CPI) AND 2DC IMAGE COMPARISON |
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| This figure shows
an example of images from the 2D-C and CPI in an upslope cloud with
small (20-50 mm) ice particles and cloud drops mixed with some
larger particles. There is no way of discriminating the phase of the
small particles from the 2D-C images (and most of these particles
are missed entirely), however, one can see the non-spherical shape
of the small (ice) particles recorded by the CPI. Also, the habit of
the pristine plates can be readily identified in the CPI images,
whereas, there is no way of knowing crystal habit from the 2D-C images. 
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| The figure above shows a comparison of 75-150 mm diameter freezing drizzle drops recorded by the CPI and Korolev et al. (1997) numerical simulations of 100 mm 2D-C drops (the 2D-C probe was not installed during the freezing drizzle encounter). The comparison clearly shows the ability of the CPI to accurately identify and size supercooled large drops (SLDs). | |
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