Journal ArticleDOI
U. S. Operational Numerical Weather Prediction
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This article is published in Reviews of Geophysics.The article was published on 1991-01-01. It has received 4 citations till now. The article focuses on the topics: Navy Operational Global Atmospheric Prediction System & Rapid Refresh.read more
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Journal ArticleDOI
Improved Skill for the Anomaly Correlation of Geopotential Heights at 500 hPa
T. N. Krishnamurti,Kavirajan Rajendran,T. S. V. Vijaya Kumar,Stephen J. Lord,Zoltan Toth,Xiaolei Zou,Steven Cocke,Jon E. Ahlquist,I. Michael Navon +8 more
TL;DR: In this article, an ensemble of global multimodels and a model-weighted ensemble mean called the superensemble were used to predict the 500-hPa geopotential.
Journal ArticleDOI
A model for real-time quantitative rainfall forecasting using remote sensing: 1. Formulation
TL;DR: In this paper, a physically based rainfall forecasting model for real-time hydrologic applications is developed with emphasis on utilization of remote sensing observations, which is derived from conservation of mass in a cloud column as defined by the continuity equations for air, liquid water, water vapor and cloud water.
Journal ArticleDOI
Hurricane Katrina (2005). Part II: Evolution and Hemispheric Impacts of a Diabatically Generated Warm Pool
TL;DR: In this paper, an analysis of Hurricane Katrina's outflow layer after landfall suggests that it does not itself make up the long-lived midlatitude warm pool, and the slow progression of a strong upper-tropospheric warm pool across the North Atlantic Ocean in the week following Katrina's landfall prompts the question of whether even a nonreintensifying ET event can lead to significant modification of the mid-latitude flow.
Journal ArticleDOI
Climatology of Cloud and Radiation Fields in a Numerical Weather Prediction Model
TL;DR: In this article, satellite-derived datasets are used to verify the cloud cover and radiation field generated by a T62 (horizontal resolution) version of the operational global model at the National Meteorological Centre (NMC).
References
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Journal ArticleDOI
Variational Assimilation of Meteorological Observations With the Adjoint Vorticity Equation. I: Theory
TL;DR: In this paper, a variational approach is taken to the problem of assimilation of meteorological observations: find the solution of the assimilating model which minimizes a given scalar function measuring the distance between a model solution and the available observations.
Book ChapterDOI
Data assimilation in meteorology and oceanography
TL;DR: A review of current operational practice and of advanced data assimilation techniques in meteorology can be found in this article, where the authors provide a review of the most advanced data-assimilation techniques for meteorological and oceanographic data.
Journal ArticleDOI
The Step-Mountain Coordinate: Physical Package
TL;DR: In this article, a comprehensive physical package has been developed for a regional eta coordinate model with the steplike mountain representation, and the Level 2.5 turbulence closure model in the Mellor-Yamada hierarchy was chosen to represent the turbulence above the surface layer.
Journal ArticleDOI
Description of the NMC Global Data Assimilation and Forecast System
TL;DR: The National Meteorological Center's (NMC) Global Data Assimilation and Forecast System is described in some detail.
Journal ArticleDOI
The Step-Mountain Coordinate: Model Description and Performance for Cases of Alpine Lee Cyclogenesis and for a Case of an Appalachian Redevelopment
TL;DR: In this article, the authors present the design of the model (silhouette averaged) mountains, properties of the wall boundary condition, and the scheme for calculation of the potential to kinetic energy conversion.
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