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RISEffect of Boundary Conditions on Numerically Simulated Tornado-like Vortices
Publisher: American Meteorological Society
Abstract: The boundary conditions for Rotunno's numerical model which simulates tornado-like vortices are examined. In particular, the lateral boundary condition for tangential velocity and the upper boundary condition for radial ...
Trends in Skill of Public Forecasts at Louisville, Ky.
Publisher: American Meteorological Society
Abstract: Forecasts issued to the public during the 10-year period 1966?75 by the National Weather Service Forecast Office, Louisville, Ky., are compared with guidance forecasts produced by the National Meteorological Center for the ...
Error Determination of a Successive Correction Type Objective Analysis Scheme
Publisher: American Meteorological Society
Abstract: The Purdue Regional Objective Analysis of the Mesoscale (PROAM) is a successive correction type scheme for the analysis of surface meteorological data. The scheme is subjected to a series of experiments to evaluate its ...
Report on the Fifth International Conference on School and Popular Meteorological and Oceanographic Education (EWOC99)
Publisher: American Meteorological Society
Abstract: The Fifth International Conference on School and Popular Meteorological and Oceanographic Education was held 5?9 July 1999 in Ballarat and Melbourne, Australia. Conference delegates included 105 teacher educators, ...
Photolytic Activation of Silver Iodide in the Nucleation of Ice
Publisher: American Meteorological Society
Abstract: Clean, single crystals of silver iodide have been found to serve as a very poor nucleating agent for ice. The controlled introduction of impurities on the crystal surface by means of photolytic decomposition has been shown ...
A Comparison of Errors in objectively Analyzed Fields for Uniform and Nonuniform Station Distributions
Publisher: American Meteorological Society
Abstract: An error analysis of the Purdue Regional Objective Analysis of the Mesoscale (PROAM) scheme is described. PROAM is an interactive, multiple iteration objective analysis package for surface meteorological data. It utilizes ...
The Role of Latent Heat Release in the Evolution of a Weak Extratropical Cyclone
Publisher: American Meteorological Society
Abstract: A study of the sensitivity of a weak winter extratropical cyclone to latent heat release (LHR) is presented using 48-h simulations of the cyclone's evolution derived from three versions of the LFM model: a MOIST simulation ...
Gust Front Characteristics as Detected by Doppler Radar
Publisher: American Meteorological Society
Abstract: Gust fronts produce low altitude wind shear that can be hazardous to aircraft operations, especially during takeoff and landing. Radar meteorologists have long been able to identify gust front signatures in Doppler radar ...
The Numerical Simulation of Clouds, Rains and Airflow over the Vosges and Black Forest Mountains: A Meso-β Model with Parameterized Microphysics
Publisher: American Meteorological Society
Abstract: A three-dimensional meso-? model with parameterized microphysics is presented. The model is capable of simulating orographically forced clouds, rain, and airflow. Tests using a two-dimensional version confirm the ability ...
educational affairs
Publisher: American Meteorological Society
Abstract: For the second consecutive summer, the American Meteorological Society (AMS) conducted four teacher and faculty enhancement workshops in the atmospheric sciences. Project ATMOSPHERE, the K?12 educational initiative of the ...