An evaluation of the National Meteorological Center's experimental boundary layer model

Polger, Paul D.

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An evaluation of the National Meteorological Center's experimental boundary layer model

1974
By Polger, Paul D.
Series: NOAA technical memorandum NWS NMC ; 55

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Details:

Personal Author:

Polger, Paul D.
Corporate Authors:

National Meteorological Center (U.S.)
NOAA Program & Office:

NWS (National Weather Service)
Description:

For almost a year, the National Meteorological Center (NMC) experimented with a planetary boundary layer model (PBL) to determine its utility in NMC operations. The PEL model is similar to the operational boundary layer model used by the Air Force Global Weather Central (AFGWC). The PBL model has eight levels, surface to 1600 m, and a horizontal grid mesh of 190.5 km over the contiguous United States. Forecasts were based on 0000 G.m.t. data and were run to 24 hours. The parameters forecast by the PBL model include temperature, winds, relative humidity, freezing levels, precipitation type, and severe weather indices. The results show that the NMC PBL model has potential for providing useful forecasts of ceiling/ visibility combination, rain vs. snow delineation, and areas of severe weather and temperature changes over the eastern twothirds of the United States. The PBL model does not perform well over the mountain region or during the summer months.
Keywords:

[+]

Boundary Layer (Meteorology) Mathematical Models Weather Forecasting
Series:

NOAA technical memorandum NWS NMC ; 55
Format:

PDF
Document Type:

Technical Memorandum
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:2ff8668bace2aceabb6ccca3451d4257d05c476c15ef07f5fbee624d1045ff17
Download URL:

https://repository.library.noaa.gov/view/noaa/55692/noaa_55692_DS1.pdf
File Type:

Machine Readable Version (JSON)

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