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RISTheory of Time-Dependent Freezing. Part I: Description of Scheme for Wet Growth of Hail
Publisher: American Meteorological Society
Abstract: t subzero temperatures, cloud particles can contain both ice and liquid water fractions. Wet growth of precipitation particles occurs when supercooled cloud liquid is accreted faster than it can freeze on impact.With a ...
Effect of Aerosols on Freezing Drops, Hail, and Precipitation in a Midlatitude Storm
Publisher: American Meteorological Society
Abstract: midlatitude hail storm was simulated using a new version of the spectral bin microphysics Hebrew University Cloud Model (HUCM) with a detailed description of time-dependent melting and freezing. In addition to size ...
Theory of Time-Dependent Freezing. Part II: Scheme for Freezing Raindrops and Simulations by a Cloud Model with Spectral Bin Microphysics
Publisher: American Meteorological Society
Abstract: he time-dependent process of raindrop freezing is described in a general form, including thermodynamic effects from the accretion of cloud liquid and cloud ice. Freezing drops (FDs) larger than 80 ?m (and their water mass) ...
The Anatomy and Physics of ZDR Columns: Investigating a Polarimetric Radar Signature with a Spectral Bin Microphysical Model
Publisher: American Meteorological Society
Abstract: olarimetric radar observations of deep convective storms frequently reveal columnar enhancements of differential reflectivity ZDR. Such ?ZDR columns? can extend upward more than 3 km above the environmental 0°C level, ...
Ice Multiplication by Breakup in Ice–Ice Collisions. Part II: Numerical Simulations
Publisher: American Meteorological Society
Abstract: AbstractIn Part I of this two-part paper, a formulation was developed to treat fragmentation in ice?ice collisions. In the present Part II, the formulation is implemented in two microphysically advanced cloud models ...