A second evaluation of aviation-impact variables generated by LAPS

Mahoney, J. L.; Harsough, C.; Miller, P. A.; Cairns, M. M.; Miller, R. J.

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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A second evaluation of aviation-impact variables generated by LAPS

1995
By Mahoney, J. L. ; Harsough, C. ; Miller, P. A. ; ...
Series: NOAA technical memorandum ERL FSL ; 16

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Personal Author:

Mahoney, J. L. ; Harsough, C. ; Miller, P. A. ; Cairns, M. M. ; Miller, R. J.

Mahoney, J. L. ; Harsough, C. ; Miller, P. A. ; Cairns, M. M. ; Miller, R. J. Less -
Corporate Authors:

Forecast Systems Laboratory (U.S.)
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research)
Description:

This paper describes the second evaluation (E2) of aviation-impact variables (AIVs) derived from the Local Analysis and Prediction System (LAPS) analyses. This is part of an ongoing program at the Forecast Systems Laboratory (FSL), sponsored by the Federal Aviation Administration's Aviation Weather Research Program (AWRP). The evaluation was conducted from 22 February through 10 March 1992 using a verification dataset obtained from the Stormscale Operational and Research Meteorology-Fronts Experiment Systems Test (STORM-FEST). For verification purposes, LAPS produced analyses at specific station locations including; upper-air, surface, profiler, pilot report (PIREP) locations, and automated pilot report locations. Overall, LAPS analyses of state-of-the-atmosphere variables (SAVs) and AIVs were within expected instrument errors, with a few exceptions. For example, a problem in the height calculation over the STORM-FEST domain was detected. This error was not apparent in the Colorado domain and will need further attention. On the other hand, the LAPS cloud analysis, which has been under development longer than many of the other AIV algorithms, produced good results when compared to the Surface Aviation Observations (SAOs). The LAPS precipitation analysis, based primarily on radar measurements, underanalyzed large precipitation amounts and overanalyzed small precipitation amounts. Since E2 was the first time icing and turbulence algorithms were tested for LAPS, the results can be considered baseline values.
Keywords:

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Data Processing Meteorological Services Weather Forecasting
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NOAA technical memorandum ERL FSL ; 16
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Technical Memorandum
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https://creativecommons.org/publicdomain/zero/1.0/
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CC0 Public Domain
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urn:sha256:cac4eda346e70174f4e89fe657dd46b91e6c1d704076c8123eb633cefd544cdf
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https://repository.library.noaa.gov/view/noaa/32829/noaa_32829_DS1.pdf
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A second evaluation of aviation-impact variables generated by LAPS

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