FROGs

Frequent Rainfall Observations on GridS (FROGS) database

FROGs is a collection of daily precipitation products on a common 1×1 deg grid. The collection includes satellite, ground-based and reanalysis products. Most of the satellite products were calibrated using rain gauges data, for these, where available, the non adjusted version is also provided. The temporal range included starts from 1901 to 2019 depedning on the data product. Where it is possible the database will be extended in future updates of FROGs. The data products spatial coverage is also dependent on the original sources.

For more information please refer to the FROGs website and in particular to their news page for updates.

 

Dataset list

Below, the datasets are listed depending on the source data type and spatial coverage

Satellite based quasi global

  • 3B42 v7.0
  • 3B42 v7.0 IR
  • 3B42 v7.0 MW
  • 3B42 RT v7.0
  • 3B42 RT v7.0 uncalibrated
  • GSMAP-RNL-gauges v6.0
  • GSMAP-RNL-no gauges v6.0
  • GSMAP-NRT-gauges v6.0
  • GSMAP-NRT-no gauges v6.0
  • PERSIANN CDR v1 r1
  • CMORPH V1.0, RAW
  • CMORPH V1.0, CRT
  • GPCP 1DD CDR v1.3
  • GPCP IP
  • IMERG v6 early uncal
  • IMERG v6 late uncal
  • IMERG v6 final uncal
  • IMERG v6 final

Land only

  • CHIRPS v2.0
  • CHIRP v2.0
  • SM2RAIN-CCI

Ocean only

  • HOAPS

Satellite based regional

  • TAPEER v1.5
  • TAMSAT v2
  • TAMSAT v3
  • ARC v2
  • COSH

Rain gauges based

  • CPC
  • GPCC First Guess v1
  • GPCC Full Daily v1
  • GPCC Full Daily V2018
  • REGEN Long Term Stations v1-2019
  • REGEN All Stations v1-2019

Atmospheric reanalysis

  • MERRA1
  • MERRA2
  • JRA55
  • ERA Interim
  • CFSR
  • ERA5
  • GSWP3 Rain & Snow

Citation

Roca, R., Alexander, L. V., Potter, G., Bador, M., Jucá, R., Contractor, S., Bosilovich, M. G., and Cloché, S.: FROGs: a daily 1∘×1∘gridded precipitation database of rain gauge, satellite and reanalysis products, https://doi.org/10.14768/06337394-73A9-407C-9997-0E380DAC5598, 2019

Please note that this is a collection of datasets and the original sources should be cited too wherever possible.

References

Roca, R., Alexander, L. V., Potter, G., Bador, M., Jucá, R., Contractor, S., Bosilovich, M. G., and Cloché, S.: FROGS: a daily 1°  ×  1° gridded precipitation database of rain gauge, satellite and reanalysis products, Earth Syst. Sci. Data, 11, 1017-1035, https://doi.org/10.5194/essd-11-1017-2019, 2019