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A Linear Model Study of Cross-Equatorial Flow Forced by Summer Monsoon Heat Sources
Publisher: American Meteorological Society
Abstract: A linear model of the steady response of a stratified fluid to isolated heat sources on a sphere is developed. The model is used to examine the response to diabatic heating associated with summer monsoon precipitation in ...
Application of Vertical-Mode Initialization to a Limited-Area Model in Flux Form
Publisher: American Meteorological Society
Abstract: The vertical-mode initialization procedure of Bourke and MeGregor is applied to a limited-area weather prediction model that is formulated in flux form and is shown to be successful in reducing the undesirable gravity-wave ...
A Numerical Study of the ERICA IOP 4 Marine Cyclone
Publisher: American Meteorological Society
Abstract: A numerical study is conducted using the Naval Research Laboratory (NRL) limited-area model to study the evolution and structure of a rapidly intensifying marine cyclone observed during intensive observing period 4 (IOP ...
Application of the Bratseth Scheme for the Analysis Of GALF, Data Using a Mesoscale Model
Publisher: American Meteorological Society
Abstract: The successive correction scheme of Bratseth, which converges to optimum interpolation, is applied for the numerical analysis of data collected during the Genesis of Atlantic Lows Experiment. A first guess for the analysis ...
Diabatic Initialization Tests Using the Naval Research Laboratory Limited-Area Numerical Weather Prediction Model
Publisher: American Meteorological Society
Abstract: Diabatic forcing has been incorporated into a nonlinear normal-mode initialization scheme to provide more realistic initial conditions and to alleviate the problem of the spinup time of the Naval Research Laboratory ...
The Use of Surface Observations in Four-Dimensional Data Assimilation Using a Mesoscale Model
Publisher: American Meteorological Society
Abstract: A system for the frequent intermittent assimilation of surface observations into a mesoscale model is described. The assimilation begins by transforming the surface observations to model coordinates. Next, the lowest-level ...
Coupled Assimilation of Geostationary Satellite Sounder Data into a Mesoscale Model Using the Bratseth Analysis Approach
Publisher: American Meteorological Society
Abstract: A satellite?model coupled procedure for assimilating geostationary satellite sounder data was adapted to a mesoscale analysis and forecast system jointly developed by the Naval Research Laboratory and the Air Force Research ...
Diabatic Initialization of Stratiform Precipitation for a Mesoscale Model
Publisher: American Meteorological Society
Abstract: A technique is described that adds diabatic forcing from stratiform precipitation to a vertical normal-mode initialization of a mesoscale model. The technique uses observed precipitation amounts and cloud-top height ...