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Welcome to the page of the EGI-DRIHM collaboration

EGI DRIHAM collaboration menu: Home Members Infrastructure Roadmap

General Project Information

  • Leader: Tiziana Ferrari ( @
  • Start Date: 17.05.2013
  • End Date:
  • Mailinglist: egi-drihm @
  • Meetings: Indico page (slides and minutes from meetings)

DRIHM aims for facilitating the access to hydrometeorological data and models, the collaboration between meteorologists, hydrologists, and Earth science experts for accelerated scientific advances in hydrometeorological research (HMR). A DRIHMS VO will be soon created.


DRIHM meteorological models is based on WRF (Weather Research and Forecasting). WRF is a community model with open source license.

WRF requirements for EGI sites:

  • WRF model can work both with Distributed-Memory Parallelism and Shared-Memory Parallelism, with different combinations of compilers (PGI, INTEL, gfortran/gcc and so forth). WRF should be provided with mpich or mpich2 and ifort, icc (or as alternative gfortran, gcc) to ensure the best scalability and portability performances for this modeling suite. Additional WRF dependencies for weather specific formats: NetCDF, GRIB2.
  • 160-240 processors, but the simulations can be designed also to run on 50-100 processors
  • about 24 hours of physical simulation time, to an elapsed time of a single run of 144--96 hours (6--4 days).
  • Temporary disk space (GB): 80 GB for input, output, which corresponds to 24 h physical time, saving the data every 30 minutes of physical time. 28 GB for restart files, saving files every 6 hours of physical time.
  • submission is through the DRIHM portal, based on SCI-BUS (

Virtual organization

DRIHM VO in production

Information about VO

- ID Card:


- Member list url:

Primary/master instance - Hosted in Italy by Italian NGI at CNAF (in Bologna): - Https port: 8443 - VOMSES port: 15005

Secondary/slave instance - Hosted in Italy by Italian NGI in Naples: - Https port: 8443 - VOMSES port: 15005



- vousers at - vousersupport at - vosecurity at - vomanagers at