Assessment of the return period of near‐PMP point and catchment rainfall for England and Wales | Zendy

Collier Chris G. | Zendy; Morris David G. | Zendy; Jones David A. | Zendy

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Assessment of the return period of near‐PMP point and catchment rainfall for England and Wales

Author(s) -

Collier Chris G.,

Morris David G.,

Jones David A.

Publication year - 2011

Publication title -

meteorological applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.672

H-Index - 59

eISSN - 1469-8080

pISSN - 1350-4827

DOI - 10.1002/met.191

Subject(s) - thunderstorm , storm , precipitation , environmental science , return period , convective storm detection , mesoscale meteorology , climatology , drainage basin , meteorology , catchment area , hydrology (agriculture) , geography , geology , flood myth , cartography , geotechnical engineering , archaeology

The return periods of sub‐daily rainfall events approaching Probable Maximum Precipitation (PMP) have been estimated for point locations and catchment areas using the assumptions made in a previously published storm model. It has been assumed that PMP of around 12 h duration is the result of severe thunderstorms for catchments up to about 200 km 2 and of mesoscale convective systems (MCSs) for larger catchments. The analysis suggests return periods ranging from around 1 in 10 000 years for point locations to 1 in 500 000 years for large catchments, though these are very dependent on the assumptions. The results are compared with estimates from a number of other sources. Copyright © 2010 Royal Meteorological Society

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