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RISMeteorological Value of Ground Target Measurements by Radar
Publisher: American Meteorological Society
Abstract: Many characteristics of radar echoes from ground targets vary with time as the properties of the atmosphere in which the radar waves propagate evolve. For example, if the phase of a target varies with time and the target ...
For How Long Should What Data Be Assimilated for the Mesoscale Forecasting of Convection and Why? Part II: On the Observation Signal from Different Sensors
Publisher: American Meteorological Society
Abstract: The ability of data assimilation to correct for initial conditions depends on the presence of a usable signal in the variables observed as well as on the capability of instruments to detect that signal. In Part I, the ...
The Skill of Ensemble Prediction Systems
Publisher: American Meteorological Society
Abstract: The performance of ensemble prediction systems (EPSs) is investigated by examining the probability distribution of 500-hPa geopotential height over Europe. The probability score (or half Brier score) is used to evaluate ...
Monthly Forecasting at ECMWF
Publisher: American Meteorological Society
Abstract: A monthly forecasting system based on 32-day coupled ocean?atmosphere integrations has been set up at ECMWF. This system has run routinely since March 2002 every 2 weeks, and 45 cases from March 2002 to December 2003 have ...
Comments on “New Approach to Calculation of Atmospheric Model Physics: Accurate and Fast Neural Network Emulation of Longwave Radiation in a Climate Model”
Publisher: American Meteorological Society
Tubing: An Alternative to Clustering for the Classification of Ensemble Forecasts
Publisher: American Meteorological Society
Abstract: Tubing is a method of classification of meteorological forecasts. The method has been designed to facilitate a human interpretation of the distribution of forecasts produced by an ensemble prediction system (EPS). This ...
The Spatial Variability of Moisture in the Boundary Layer and Its Effect on Convection Initiation: Project-Long Characterization
Publisher: American Meteorological Society
Abstract: An attempt was made to statistically gauge the importance of moisture variability on convection initiation by analyzing data collected by radar, surface stations, soundings, and airborne in situ sensors over the 7 weeks ...
Aerodynamics of Large-Scale Vortex Generator in Ground Effect
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The aerodynamic performance of several vortex generators (VGs) of the type used on the lower surface of race cars was tested in a low-speed wind tunnel. In this particular application, the ...
Influence of Morphology on Flow Law Characteristics in Open-Cell Foams: An Overview of Usual Approaches and Correlations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Foam structures have been a subject of intensive research since the last decade. The pore space in open-cell foam is interconnected, forming perforated channels of varying cross-sectional areas where fluid can flow. Knowledge ...
State-of-the-Art of Pressure Drop in Open-Cell Porous Foams: Review of Experiments and Correlations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Foam structures are a class of modern microporous media that possesses high thermal conductivity, large accessible specific surface area, and high porosities. Nowadays, industrial applications, such as filtration, heat ...