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The Xws Open Access Catalogue of Extreme European Windstorms from 1979–2012 : Volume 2, Issue 3 (07/03/2014)

By Roberts, J. F.

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Book Id: WPLBN0004019138
Format Type: PDF Article :
File Size: Pages 38
Reproduction Date: 2015

Title: The Xws Open Access Catalogue of Extreme European Windstorms from 1979–2012 : Volume 2, Issue 3 (07/03/2014)  
Author: Roberts, J. F.
Volume: Vol. 2, Issue 3
Language: English
Subject: Science, Natural, Hazards
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2014
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Hodges, K. I., Dawkins, L. C., Champion, A. J., Stringer, M. A., Youngman, B. D., Stephenson, D. B.,...Thornton, H. E. (2014). The Xws Open Access Catalogue of Extreme European Windstorms from 1979–2012 : Volume 2, Issue 3 (07/03/2014). Retrieved from http://worldpubliclibrary.org/


Description
Description: Met Office Hadley Centre, Exeter, UK. The XWS (eXtreme WindStorms) catalogue consists of storm tracks and model-generated maximum three-second wind-gust footprints for 50 of the most extreme winter windstorms to hit Europe over 1979–2012. The catalogue is intended to be a valuable resource for both academia and industries such as (re)insurance, for example allowing users to characterise extreme European storms, and validate climate and catastrophe models. Several storm severity indices were investigated to find which could best represent a list of known high loss (severe) storms. The best performing index was Sft, which is a combination of storm area calculated from the storm footprint and maximum 925 hPa wind speed from the storm track. All the listed severe storms are included in the catalogue, and the remaining ones were selected using Sft. A comparison of the model footprint to station observations revealed that storms were generally well represented, although for some storms the highest gusts were underestimated due to the model not simulating strong enough pressure gradients. A new recalibration method was developed to estimate the true distribution of gusts at each grid point and correct for this underestimation. The recalibration model allows for storm-to-storm variation which is essential given that different storms have different degrees of model bias. The catalogue is available at http:///www.europeanwindstorms.org/.

Summary
The XWS open access catalogue of extreme European windstorms from 1979–2012

Excerpt
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