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ArcticRIMS: Precipitation From ERA-40 Re-analysis



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 25km Grid (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.

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Additional information

  • 1.0 (2009-05-15)
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Related projects
Spatial Type grid
Frequency criteria
Language English
ISO Topic Categories
  • climatologyMeteorologyAtmosphere
GCMD Science Keywords Expand keywords
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Temporal coverage

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

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

Richard B. Lammers <>

Additional contact information


Vorosmarty, C., et al. 2009. ArcticRIMS: Precipitation From ERA-40 Re-analysis. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 19 Jun 2024.

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