Thursday, 7 October 2004: 9:15 AM
The bulk microphysical parameterization in MM5 has been extensively tested, updated, and improved. Upon testing the primary sensitivities of the microphysics using idealized flow conditions and comparing results to a bin microphysics scheme, the model was used in multiple case studies from various field projects. In this paper, the revised scheme is evaluated against data collected during the IMPROVE-2 project. Model-predicted hydrometeor species are compared to measurements by radars, radiometers, multiple research aircraft, and other sources. Particular emphasis is placed on prediction of a freezing drizzle event as well as a deep, precipitating snowstorm observed during IMPROVE-2.
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