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RISAirborne Doppler Radar Analysis of a TOGA COARE Waterspout Storm
Publisher: American Meteorological Society
Abstract: An airborne Doppler radar analysis of a waterspout parent storm is presented. An 8-min window centered around the time of the visual observation of the waterspout is presented. The waterspout was associated with a small, ...
Triple-Doppler Analysis of a Discretely Propagating, Long-Lived, High Plains Squall Line
Publisher: American Meteorological Society
Abstract: A nonsevere squall line that developed on 21 June 1993 along the northern foothills of the Colorado Rocky Mountains is analyzed using a series of triple-Doppler analyses. This squall line developed in a relatively dry ...
Observations of Transient Linear Organization and Nonlinear Scale Interactions in Lake-Effect Clouds. Part I: Transient Linear Organization
Publisher: American Meteorological Society
Abstract: The cold-air outbreak of 13?14 January 1998 during the Lake-Induced Convection Experiment was characterized by large positive buoyancy flux and moderate wind shear. Although theory predicts only cellular organization in ...
Observations of Transient Linear Organization and Nonlinear Scale Interactions in Lake-Effect Clouds. Part II: Nonlinear Scale Interactions
Publisher: American Meteorological Society
Abstract: Linearly organized convection and associated horizontal roll vortices occasionally occur in atmospheric conditions in which theory predicts only cellular organization. One possible contributor to the occurrence of rolls ...
A Mesoscale Vortex Couplet Observed in the Trailing Anvil of a Multicellular Convective Complex
Publisher: American Meteorological Society
Abstract: Observations collected during the Oklahoma?Kansas PRE-STORM experiment are used to document the evolution and structure of a mesoscale vortex couplet that developed in the mesoscale convective system that occurred on 16?17 ...
Fitting Microphysical Observations of Nonsteady Convective Clouds to a Numerical Model: An Application of the Adjoint Technique of Data Assimilation to a Kinematic Model
Publisher: American Meteorological Society
Abstract: Rapid advances in the quality and quantity of atmospheric observations have placed a demand for the development of techniques to assimilate these data sources into numerical forecasting models. Four-dimensional variational ...
Cloud Radar Observations of Kelvin–Helmholtz Instability in a Florida Anvil
Publisher: American Meteorological Society
Dynamical and Microphysical Retrievals from Doppler Radar Observations of a Deep Convective Cloud
Publisher: American Meteorological Society
Abstract: A four-dimensional variational data assimilation system consisting of a three-dimensional time-dependent cloud model with both liquid and ice phase microphysics parameterization was used to assimilate radar data into a ...
Retrieving Cloud Ice Water Content Using Millimeter- and Centimeter-Wavelength Radar Polarimetric Observables
Publisher: American Meteorological Society
Abstract: cattering properties of a large collection of pristine ice crystals at millimeter and centimeter wavelengths are calculated using the generalized multiparticle Mie method. Millimeter- and centimeter-wavelength radar ...
Use of X-Band Differential Reflectivity Measurements to Study Shallow Arctic Mixed-Phase Clouds
Publisher: American Meteorological Society
Abstract: icrophysical processes in shallow Arctic precipitation clouds are illustrated using measurements of differential reflectivity ZDR from the U.S. Department of Energy Atmospheric Radiation Measurement Program polarimetric ...