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Estimating 1min rain rate distributions from numerical weather prediction

Paulson, Kevin S.


Kevin S. Paulson


Internationally recognized prognostic models of rain fade on terrestrial and Earth-space EHF links rely fundamentally on distributions of one-minute rain rates. Currently, in Rec. ITU-R P.837-6, these distributions are generated using the Salonen Poiares-Baptista method where one-minute rain rate distributions are estimated from long-term average annual accumulations provided by Numerical Weather Products (NWP). This paper investigates an alternative to this method based on the distribution of six-hour accumulations available from the same NWPs. Rain rate fields covering the UK, produced by the Nimrod network of radars, are integrated to estimate the accumulations provided by NWP and these are linked to distributions of fine scale rain rates. The proposed method makes better use of the available data. It is verified on 15 NWP regions spanning the UK and the extension to other regions is discussed.


Paulson, K. S. (2017). Estimating 1min rain rate distributions from numerical weather prediction. Radio science, 52(1), 176-184.

Acceptance Date Dec 30, 2016
Online Publication Date Jan 26, 2017
Publication Date 2017-01
Deposit Date Jan 23, 2017
Publicly Available Date Jan 26, 2017
Journal Radio science
Print ISSN 0048-6604
Electronic ISSN 1944-799X
Publisher American Geophysical Union
Peer Reviewed Peer Reviewed
Volume 52
Issue 1
Pages 176-184
Keywords Electrical and Electronic Engineering; General Earth and Planetary Sciences; Condensed Matter Physics
Public URL
Publisher URL;jsessionid=7F955A797C562B832A475985D9E45C4E.f03t01
Additional Information Copy of article: Paulson, K. S. (2017), Estimating 1 min rain rate distributions from numerical weather prediction, Radio Sci., 52,176–184, doi:10.1002/2016RS006111.


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