Diagnosing Cloudiness From Global Numerical Weather Prediction Model Forecasts

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Environmental Research Papers

Author : Anonim
Publisher : Unknown
Page : 162 pages
File Size : 47,9 Mb
Release : 2024-06-28
Category : Environmental geology
ISBN : CHI:49284500

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Environmental Research Papers by Anonim Pdf

Scientific and Technical Aerospace Reports

Author : Anonim
Publisher : Unknown
Page : 602 pages
File Size : 41,8 Mb
Release : 1995
Category : Aeronautics
ISBN : MINN:30000006324614

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Scientific and Technical Aerospace Reports by Anonim Pdf

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Parameterization Schemes

Author : David J. Stensrud
Publisher : Cambridge University Press
Page : 408 pages
File Size : 50,5 Mb
Release : 2007-05-03
Category : Science
ISBN : 9780521865401

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Parameterization Schemes by David J. Stensrud Pdf

Contents: 1.

Numerical Weather Prediction Activities Report

Author : United States. National Weather Service
Publisher : Unknown
Page : 52 pages
File Size : 44,6 Mb
Release : 2024-06-28
Category : Meteorological instruments
ISBN : PSU:000072834633

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Numerical Weather Prediction Activities Report by United States. National Weather Service Pdf

Uncertainties in Numerical Weather Prediction

Author : Haraldur Olafsson,Jian-Wen Bao
Publisher : Elsevier
Page : 366 pages
File Size : 55,9 Mb
Release : 2020-11-25
Category : Computers
ISBN : 9780128157107

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Uncertainties in Numerical Weather Prediction by Haraldur Olafsson,Jian-Wen Bao Pdf

Uncertainties in Numerical Weather Prediction is a comprehensive work on the most current understandings of uncertainties and predictability in numerical simulations of the atmosphere. It provides general knowledge on all aspects of uncertainties in the weather prediction models in a single, easy to use reference. The book illustrates particular uncertainties in observations and data assimilation, as well as the errors associated with numerical integration methods. Stochastic methods in parameterization of subgrid processes are also assessed, as are uncertainties associated with surface-atmosphere exchange, orographic flows and processes in the atmospheric boundary layer. Through a better understanding of the uncertainties to watch for, readers will be able to produce more precise and accurate forecasts. This is an essential work for anyone who wants to improve the accuracy of weather and climate forecasting and interested parties developing tools to enhance the quality of such forecasts. Provides a comprehensive overview of the state of numerical weather prediction at spatial scales, from hundreds of meters, to thousands of kilometers Focuses on short-term 1-15 day atmospheric predictions, with some coverage appropriate for longer-term forecasts Includes references to climate prediction models to allow applications of these techniques for climate simulations

A Proposed Procedure for Diagnosis and Improvement of Dynamical Prediction Models

Author : Chien-Hsiung Yang
Publisher : Unknown
Page : 36 pages
File Size : 46,5 Mb
Release : 1976
Category : Atmospheric circulation
ISBN : UOM:39015095134907

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A Proposed Procedure for Diagnosis and Improvement of Dynamical Prediction Models by Chien-Hsiung Yang Pdf

This report lays a logical foundation on which deficiencies of dynamical prediction models can be defined and dealt with on a rational basis. Measures of the quality of performance of dynamical prediction models are suggested, and a procedure with which deficiencies of the models can be diagnosed is proposed. A sample study is used to illustrate the use of the proposed procedure, and the results of the study are presented. (Author).

Conference on Numerical Weather Prediction

Author : Anonim
Publisher : Unknown
Page : 722 pages
File Size : 50,6 Mb
Release : 1994
Category : Numerical weather forecasting
ISBN : PSU:000023135970

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Conference on Numerical Weather Prediction by Anonim Pdf

Development of a Cloud Forecast Scheme for the GL Baseline Global Spectral Model

Author : Kenneth E. Mitchell,Douglas C. Hahn
Publisher : Unknown
Page : 166 pages
File Size : 44,8 Mb
Release : 1989
Category : Cloud forecasting
ISBN : UOM:39015095331750

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Development of a Cloud Forecast Scheme for the GL Baseline Global Spectral Model by Kenneth E. Mitchell,Douglas C. Hahn Pdf

Using forecast relative humidity (RH) from a global model, several pre-existing diagnostic RH-to-cloud schemes were tested to forecast global fractional cloud cover in a postprocessor format. Since none of the schemes tested provided a superior cloud forecast when compared to Air Force Global Weather Central's (AFGWC) operational 5LAYER cloud forecasts, a new RH-to-cloud scheme was developed by relating cumulative frequencies of forecast RH to cumulative frequencies of analyzed cloud cover from the AFGWC RTNEPH cloud analysis. This scheme creates a series of forecast time-dependent RH-to-cloud curves that can be temporally updated to account for changes in season, cloud analysis, or forecast model, The global model used was a spectral-type developed by the Geophysics Laboratory (GL) using parameterized diabatic physics presently incorporated in the operational GSM (global spectral model) at AFGWC.

Numerical Weather Prediction Activities, National Meteorological Center

Author : National Meteorological Center (U.S.)
Publisher : Unknown
Page : 48 pages
File Size : 54,5 Mb
Release : 1971
Category : Meteorological instruments
ISBN : UIUC:30112110768287

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Numerical Weather Prediction Activities, National Meteorological Center by National Meteorological Center (U.S.) Pdf

From Research to Operations in Weather Satellites and Numerical Weather Prediction

Author : National Research Council,Commission on Geosciences, Environment, and Resources,Board on Atmospheric Sciences and Climate
Publisher : National Academies Press
Page : 97 pages
File Size : 41,5 Mb
Release : 2000-09-07
Category : Science
ISBN : 9780309069410

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From Research to Operations in Weather Satellites and Numerical Weather Prediction by National Research Council,Commission on Geosciences, Environment, and Resources,Board on Atmospheric Sciences and Climate Pdf

This workshop report examines the capability of the forecast system to efficiently transfer weather and climate research findings into improved operational forecast capabilities. It looks in particular at the Environmental Modeling Center of the National Weather Service and environmental observational satellite programs. Using these examples, the report identifies several shortcomings in the capability to transition from research to operations. Successful transitions from R&D to operational implementation requires (1) understanding of the importance (and risks) of the transition, (2) development and maintenance of appropriate transition plans, (3) adequate resource provision, and (4) continuous feedback (in both directions) between the R&D and operational activities.