The National Science Foundation (NSF) awarded a 3-year, $406,901 Project Grant under the Geosciences Program (CFDA 47.050) to Colorado State University to conduct research on warm rain evolution using advanced weather radar and ground instruments in South Korea. The key objectives of the project are to: 1) characterize drop size distributions and their stability in warm rain events, 2) retrieve drop size distribution moments from polarimetric radar observations, 3) determine the impact of turbulence on drop fall speeds, and 4) reconstruct rain drop shapes from ground measurements. The findings from this research are expected to improve the accuracy of warm rain microphysical models and have direct relevance for applications such as radio wave propagation and hydrology. No sub-awards are planned under this grant.
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