A radar-based rainfall climatology of Great Britain and Ireland
Fairman Jr, Jonathan G. ; Schultz, David M. ; Kirshbaum, Daniel J. ; Gray, Suzanne L. ; Barrett, Andrew I.
The Met Office 1km radar-derived precipitation-rate composite over 8?years (2006-2013) is examined to evaluate whether it provides an accurate representation of annual-average precipitation over Great Britain and Ireland over long periods of time. The annual-average precipitation from the radar composite is comparable with gauge measurements, with an average error of +23mmyr?1 over Great Britain and Ireland, +29mmyr?1 (3%) over the United Kingdom and -781mmyr?1 (46%) over the Republic of Ireland. The radar-derived precipitation composite is useful over the United Kingdom including Northern Ireland, but not accurate over the Republic of Ireland, particularly in the south.
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