The Ocean Rain And Ice-phase precipitation measurement Network (OceanRAIN) is an optical disdrometer based in-situ shipboard precipitation and related meteorological parameter data set over the global oceans. OceanRAIN provides a comprehensive statistical basis of rain, snow and mixed-phase precipitation for all climatic oceanic regions. Since 2010, more than 5 million minutes of measurements are available from 9 research vessels including 5 permanent installations for long-term measurements. OceanRAIN aims at increasing knowledge about oceanic precipitation and providing high-quality validation and calibration data for the Global Precipitation Measurement (GPM) satellite era.

The products comprise along-track minute-interval time series data of up to 31 parameters and the corresponding particle size distributions in ASCII and NetCDF format. For detailed information, see the documentation section.  

Citation for the OceanRAIN data set:

Klepp, C., 2015: The Oceanic Shipboard Precipitation Measurement Network for Surface Validation – OceanRAIN. Atmos. Res., Special issue of the International Precipitation Working Group, 163, 74-90, doi:10.1016/j.atmosres.2014.12.014.    

OceanRAIN is mainly funded by Mabanaft, Initiative Pro Klima, and hosted with support at the excellence cluster CliSAP at the University of Hamburg, and the Max Planck Institute for Meteorology in Hamburg, Germany. The optical disdrometer ODM470 is built by Eigenbrodt in Königsmoor, Germany.


Dr. Christian Klepp, Meteorological Institute, University of Hamburg, Bundesstr. 55, 20146 Hamburg, Germany, e-mail: christian.klepp@we dont want, phone: +49 40 41173 353

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