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ArcticRIMS: Precipitation From ERA-40 Re-analysis , Aggregated by Administrative Regions


This data set provides estimates of daily total precipitation from the European Center for Medium Range Weather Forecasts (ECMWF) ERA-40 Reanalysis (ECMWF 2002). Data cover the period 1 January 1979 to 31 August 2002. Data were obtained from the National Center for Atmospheric Research (NCAR) Data Support Section dataset ds117.0 (). Precipitation is archived as 6 hour accumulations of convective and large scale (Stratiform) precipitation. Daily total precipitation was computed by summing 6 hour accumulations of convective and large-scale components. Fields of total precipitation were regridded from the native N80 (roughly 1 degree resolution) reduced Gaussian grid to the Equal-Area Scalable Earth (EASE) 25km grid using a bilinear interpolation scheme. This scheme is described in ECMWF [2003].

The data is presented in 24 sub-datasets of different spatial and temporal aggregations.

Data access

Additional information

  • 1.0 (2009-10-21)
Metadata download

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Related projects
Spatial Type grid
Frequency criteria
Language English
Grant Code 230243, 0531354
ISO Topic Categories
  • climatologyMeteorologyAtmosphere
Related links

Temporal coverage

Begin datetime 1979-01-01 00:00:00
End datetime 2002-08-31 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 90.00, Minimum (South) Latitude: 45.00
Minimum (West) Longitude: -180.00, Maximum (East) Longitude: 180.00

Primary point of contact information

EOL Data Support <>

Additional contact information


Example citation following ESIP guidelines:

Lammers, R., Serreze, M., Barrett, A. 2009. ArcticRIMS: Precipitation From ERA-40 Re-analysis , Aggregated by Administrative Regions. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 20 Sep 2019.

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