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A Parameterization of the Microphysical Processes Forming Many Types of Winter Precipitation
Publisher: American Meteorological Society
Abstract: Several types of precipitation, such as freezing rain, ice pellets, and wet snow, are commonly observed during winter storms. The objective of this study is to better understand the formation of these winter precipitation ...
Clarification of the Water Saturation Represented on Ice Crystal Growth Diagrams
Publisher: American Meteorological Society
Abstract: t has been known for a long time that the shape of ice crystals depends on both the air temperature and the relative humidity of the environment. The relationships among these factors have been summarized in classification ...
Dependence of Snow Gauge Collection Efficiency on Snowflake Characteristics
Publisher: American Meteorological Society
Abstract: ccurate snowfall measurements are critical for a wide variety of research fields, including snowpack monitoring, climate variability, and hydrological applications. It has been recognized that systematic errors in snowfall ...
On the Dependence of Winter Precipitation Types on Temperature, Precipitation Rate, and Associated Features
Publisher: American Meteorological Society
Abstract: The phase of precipitation formed within the atmosphere is highly dependent on the vertical temperature profile through which it falls. In particular, several precipitation types can form in an environment with a melting ...
On the Characteristics of and Processes Producing Winter Precipitation Types near 0°C
Publisher: American Meteorological Society
Abstract: his article examines the types of winter precipitation that occur near 0°C, specifically rain, freezing rain, freezing drizzle, ice pellets, snow pellets, and wet snow. It follows from a call by M. Ralph et al. for more ...
The Collection Efficiency of Shielded and Unshielded Precipitation Gauges. Part I: CFD Airflow Modeling
Publisher: American Meteorological Society
Abstract: he aerodynamic response of snow gauges when exposed to the wind is responsible for a significant reduction of their collection performance. The modifications induced by the gauge and the windshield onto the space?time ...
The Collection Efficiency of Shielded and Unshielded Precipitation Gauges. Part II: Modeling Particle Trajectories
Publisher: American Meteorological Society
Abstract: he use of windshields to reduce the impact of wind on snow measurements is common. This paper investigates the catching performance of shielded and unshielded gauges using numerical simulations. In Part II, the role of the ...
Impacts of Predicting the Liquid Fraction of Mixed-Phase Particles on the Simulation of an Extreme Freezing Rain Event: The 1998 North American Ice Storm
Publisher: American Meteorological Society
Abstract: A prognostic equation for the liquid fraction of mixed-phase particles has been recently added to the Predicted Particle Properties (P3) bulk microphysics scheme. Mixed-phase particles are necessary to simulate key ...
Improvement of Solid Precipitation Measurements Using a Hotplate Precipitation Gauge
Publisher: American Meteorological Society
Improvement of Snow Gauge Collection Efficiency through a Knowledge of Solid Precipitation Fall Speed
Publisher: American Meteorological Society