Towards a definitive historical high-resolution climate dataset for Ireland – promoting climate research in Ireland

Flanagan, Jason; Nolan, Paul; McGrath, Ray; Werner, Christopher

There is strong and constant demand from various sectors (research, industry and government) for long-term, high-resolution (both temporal and spatial), gridded climate datasets. To address this demand, the Irish Centre for High-End Computing (ICHEC) has recently performed two high-resolution simulations of the Irish climate, utilising the Regional Climate Models (RCMs) COSMO-CLM5 and WRF v3.7.1. The datasets produced contain hourly outputs for an array of sub-surface, surface and atmospheric fields for the entire 36-year period 1981–2016. In this work, we list the climate variables that have been archived at ICHEC. We present preliminary uncertainty estimates (error, standard deviation, mean absolute error) based on Met Éireann station observations, for several of the more commonly used variables: 2 m temperature, 10 m wind speeds and mean sea level pressure at the hourly time scale; and precipitation at hourly and daily time scales. Additionally, analyses of 10 cm soil temperatures, CAPE 3 km, Showalter index and surface lifted index are presented.

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Flanagan, Jason / Nolan, Paul / McGrath, Ray / et al: Towards a definitive historical high-resolution climate dataset for Ireland – promoting climate research in Ireland. 2019. Copernicus Publications.

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