Journal
JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY
Volume 57, Issue 9, Pages 2179-2196Publisher
AMER METEOROLOGICAL SOC
DOI: 10.1175/JAMC-D-17-0354.1
Keywords
Atmosphere; Europe; Climate records; Mesoscale models; Numerical weather prediction; forecasting; Reanalysis data
Categories
Funding
- HIRLAM program
- ALADIN program
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Met Eireann, the Irish Meteorological Service, has generated a very high resolution (2.5-km horizontal grid) regional climate reanalysis for Ireland called the Met Eireann Reanalysis (MERA). MERA spans the period from 1981 to 2015 and was produced using the shared ALADIN-HIRLAM numerical weather prediction system. This article includes comparisons with the ERA-Interim and Uncertainties in Ensembles of Regional Reanalyses (UERRA) datasets, analysis of data assimilation outputs, precipitation comparisons, and a focus on extremes of wind and rainfall. The comparisons with the reanalysis datasets show that MERA provides a high-quality reconstruction of recent Irish climate and benefits from the use of a very high resolution grid, in particular in relation to wind and precipitation extremes.
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