Extreme rainfall in Cumbria, November 2009 - an assessment of storm rarity

Stewart, Lisa ORCID: https://orcid.org/0000-0003-4246-6645; Morris, Dave; Jones, David; Spencer, Peter. 2010 Extreme rainfall in Cumbria, November 2009 - an assessment of storm rarity. In: Kirby, Celia, (ed.) Role of Hydrology in Managing Consequences of a Changing Global Environment. British Hydrological Society Third International Symposium. British Hydrological Society, 273-277.

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Abstract/Summary

A new UK record was established at Seathwaite Farm, Borrowdale recently, when 316.4 mm of rainfall was recorded over the 24-hour period up to 00:00 on 20th November 2009. This exceptional event followed several days of heavy rainfall, and caused widespread flooding in Cumbria, which particularly affected the communities of Cockermouth and Workington and extended into south-west Scotland. Drawing on the results of a recent project which has developed a new model of point rainfall depth-duration-frequency (DDF) for the UK, return periods are estimated for rainfall observations available for the Cumbrian event at two raingauge sites. The new model has been designed as a replacement for the Flood Estimation Handbook (FEH) rainfall model and has been specifically developed to apply to very extreme events. The paper demonstrates how valuable even relatively short raingauge records can be in upland areas such as the Lake District in improving estimates of storm frequency.

Item Type:	Publication - Book Section
Programmes:	CEH Topics & Objectives 2009 - 2012 > Water > WA Topic 3 - Science for Water Management > WA - 3.1 - Develop next generation methods for river flow frequency estimation and forecasting
UKCEH and CEH Sections/Science Areas:	Boorman (to September 2014)
ISBN:	1903741173
NORA Subject Terms:	Hydrology
Date made live:	15 Dec 2010 12:05 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/12487

Item Type:

Publication - Book Section

Programmes:

CEH Topics & Objectives 2009 - 2012 > Water > WA Topic 3 - Science for Water Management > WA - 3.1 - Develop next generation methods for river flow frequency estimation and forecasting

UKCEH and CEH Sections/Science Areas:

Boorman (to September 2014)

ISBN:

1903741173

NORA Subject Terms:

Hydrology

Date made live:

15 Dec 2010 12:05 +0 (UTC)