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Abstract: A suite of products has been developed and evaluated to assess hazardspresented by convective downbursts to aircraft in flight derived from thecurrent generation of GOES. The existing suite of GOES microburst productsemploys the sounder to calculate risk based on conceptual models of favorableenvironmental profiles for convective downburst generation. Accordingly, adiagnostic nowcasting product, the Microburst Windspeed Potential Index, isdesigned to infer attributes of a favorable microburst environment. Inaddition, a GOES-West imager microburst algorithm that employs brightnesstemperature differences between band 3 upper level water vapor, band 4longwave infrared window, and split window band 5 has been developed tosupplement the sounder-derived products. This paper provides an updatedassessment of the sounder MWPI and imager microburst algorithms, presents casestudies demonstrating effective operational use of the microburst products, andpresents validation results for the 2008 convective season over United StatesGreat Plains and Great Basin regions.



Author: Kenneth L. Pryor

Source: https://arxiv.org/







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