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Experiments on Lightning Detection Network Data Assimilation

Experiments on Lightning Detection Network Data Assimilation First results of the study of the effect of lightning detection network data assimilation on the numerical weather forecast are analyzed. Methods for lightning data assimilation in weather prediction models are briefly overviewed. An algorithm used is described, as well as the results of numerical experiments and their analysis for seven weather forecasts for thunderstorms observed in the Krasnodar Territory, Russia, in 2017. It is found that the average absolute errors for all quantities due to thunderstorms are reduced. The work of the algorithm is shown in the comparison of daily precipitation maps for the seven weather forecasts with and without WWLLN network data assimilation. It was shown that the configuration of forecast precipitation fields and their intensity is significantly closer to the observations, especially for light precipitation (0–7 mm). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Atmospheric and Oceanic Optics Springer Journals

Experiments on Lightning Detection Network Data Assimilation

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References (20)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2020
ISSN
1024-8560
eISSN
2070-0393
DOI
10.1134/S1024856020020086
Publisher site
See Article on Publisher Site

Abstract

First results of the study of the effect of lightning detection network data assimilation on the numerical weather forecast are analyzed. Methods for lightning data assimilation in weather prediction models are briefly overviewed. An algorithm used is described, as well as the results of numerical experiments and their analysis for seven weather forecasts for thunderstorms observed in the Krasnodar Territory, Russia, in 2017. It is found that the average absolute errors for all quantities due to thunderstorms are reduced. The work of the algorithm is shown in the comparison of daily precipitation maps for the seven weather forecasts with and without WWLLN network data assimilation. It was shown that the configuration of forecast precipitation fields and their intensity is significantly closer to the observations, especially for light precipitation (0–7 mm).

Journal

Atmospheric and Oceanic OpticsSpringer Journals

Published: Mar 7, 2020

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