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RISA Comparison Study of Convective Parameterization Schemes in a Mesoscale Model
Publisher: American Meteorological Society
Abstract: A comparison study of four cumulus parameterization schemes (CPSs), the Anthes?Kuo, Betts?Miller, Grell, and Kain?Fritsch schemes, is conducted using The Pennsylvania State University?National Center for Atmospheric Research ...
Assimilation of NEXRAD-VAD Winds in Summertime Meteorological Simulations over the Northeastern United States
Publisher: American Meteorological Society
Abstract: Next-Generation Radar (NEXRAD) velocity azimuth display (VAD) winds were available at 10 sites in the northeastern United States during intensive observing periods of the North American Research Strategy on Tropospheric ...
Mesoscale Meteorological Structure of a High-Ozone Episode during the 1995 NARSTO-Northeast Study
Publisher: American Meteorological Society
Abstract: Observations and numerical model fields were analyzed to study the meteorological structures contributing to high concentrations of lower-tropospheric ozone over the northeastern United States on 14?15 July 1995. It was ...
Quantification of Predictive Skill for Mesoscale and Synoptic-Scale Meteorological Features as a Function of Horizontal Grid Resolution
Publisher: American Meteorological Society
Abstract: To quantitatively assess numerical predictive skill for synoptic and mesoscale features as a function of horizontal grid resolution, a series of experiments is conducted using the Pennsylvania State University-National ...
A Real-Time, Mesoscale Numerical Weather-Prediction System Used for Research, Teaching, and Public Service at The Pennsylvania State University
Publisher: American Meteorological Society
Abstract: A mesoscale modeling system is being applied on an experimental basis at The Pennsylvania State University (Penn State) for production of real-time, high resolution, numerical weather forecasts for the northeastern United ...
A Numerical Investigation of East Coast Cyclogenesis during the Cold-Air Damming Event of 27–28 February 1982. Part I: Dynamic and Thermodynamic Structure
Publisher: American Meteorological Society
Abstract: On 27?28 February 1982 cyclogenesis occurred along a Carolina coastal front. As the relatively weak low pressure center developed and moved northeastward along the front, up to 30 cm of snow fell in 12 hours in the mountains ...
A Simple Scheme for Objective Analysis in Curved Flow
Publisher: American Meteorological Society
Abstract: An objective analysis scheme has been developed which combines use of different weighting functions, two of which are anisotropic (elliptical and banana-shaped). The ?effective? distance between a grid point and an observation ...
Use of Four-Dimensional Data Assimilation in a Limited-Area Mesoscale Model. Part I: Experiments with Synoptic-Scale Data
Publisher: American Meteorological Society
Abstract: A four-dimensional data assimilation (FDDA) scheme based on Newtonian relaxation or ?nudging? is tested using standard rawinsonde data in the Penn State/NCAR limited-area mesoscale model. It is imperative that we better ...
Multiscale Four-Dimensional Data Assimilation
Publisher: American Meteorological Society
Abstract: Four-dimensional data assimilation (FDDA) schemes capable of effectively analyzing asynoptic, near-continuous data streams art especially important on the mesobeta scale for both model initialization and dynamic analysis. ...
A Numerical Investigation of East Coast Cyclogenesis during the Cold-Air Damming Event of 27–28 February 1982. Part II: Importance of Physical Mechanisms
Publisher: American Meteorological Society
Abstract: On 27?28 February 1982 cyclogenesis occurred along a Carolina coastal front. Despite the relatively weak low pressure center typical of many coastal storms, this case produced widespread hazardous conditions?within 12 h ...