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Relationship of Moist Convection to Boundary-Layer Properties: Application to a Semiarid Region Public Deposited

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https://ir.library.oregonstate.edu/concern/articles/0r9675154

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  • A simple analytical expression is developed to relate the energy required to initiate moist convection to boundary-layer properties. This expression and exploratory regression are applied to data from the National Hail Research Experiment to discriminate between environments leading to cumulus congestus and well-developed hail-producing thunderstorms in northeast Colorado. In this semiarid region, the parcel stability below the lifted condensation level is greater in environments leading to hail-producing thunderstorms compared to environments producing only cumulus congestus, as has been found in previous studies. As a result, boundary-layer properties have a multiplicity of contrasting influences on the severity of moist convection. For example, convection severity in this region generally increases with increasing low-level moisture. However, for a fixed mixed-layer depth and temperature, convection severity increases with decreasing low-level moisture because such a decrease increases the parcel stability below the condensation level
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  • 108
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  • 11
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  • This material is based on work supported by the National Hail research Program under Contract 20-74 and the Division of Atmospheric Sciences, National Science Foundation under Grant ATM 77-07623.
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  • description.provenance : Made available in DSpace on 2012-05-14T20:32:50Z (GMT). No. of bitstreams: 1 MahrtLarryJCEOASRelationshipMoistConvection.pdf: 465215 bytes, checksum: bc02d24f320e8815dedfe337dac40fc0 (MD5) Previous issue date: 1980-11
  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2012-05-14T20:32:50Z No. of bitstreams: 1 MahrtLarryJCEOASRelationshipMoistConvection.pdf: 465215 bytes, checksum: bc02d24f320e8815dedfe337dac40fc0 (MD5)

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