Recent changes in the new medium-range forecast (MRF) model

Caplan, Peter

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Recent changes in the new medium-range forecast (MRF) model

1985
By Caplan, Peter
Series: Office note (National Centers for Environmental Prediction (U.S.)) ; 307

[PDF-1.84 MB]

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Personal Author:

Caplan, Peter
Corporate Authors:

National Meteorological Center (U.S.) ; National Centers for Environmental Prediction (U.S.)

National Meteorological Center (U.S.) ; National Centers for Environmental Prediction (U.S.) Less -
NOAA Program & Office:

NWS (National Weather Service) ; NCEP (National Centers for Environmental Prediction)

NWS (National Weather Service) ; NCEP (National Centers for Environmental Prediction) Less -
Description:

"On January 26, 1985, two modifications to the daily experimental runs of the new medium-range spectral model were simultaneously implemented; one was the use of "silhouette" mountains, the other a small correction of some aspects of the treatment of water vapor, to be referred to here as the virtual temperature correction. In addition to some before-and-after statistics, we will describe two cases of 120-hour forecasts in which parallel runs were made with and without modifications, so that comparisons are possible. In a run on January 9, we tested the new mountains only, while on January 24 both the mountains and the virtual temperature correction were tested"--first page, paragraph 1.
Keywords:

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Numerical Analysis Numerical Weather Forecasting Weather Forecasting
Series:

Office note (National Centers for Environmental Prediction (U.S.)) ; 307
Document Type:

Office Note
Rights Information:

Public Domain
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Library
Main Document Checksum:

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urn:sha256:df482b8c47e49ce420224107e261867351fdb2c92dbd85a3fbde497a754bd534
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https://repository.library.noaa.gov/view/noaa/23558/noaa_23558_DS1.pdf
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Recent changes in the new medium-range forecast (MRF) model

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