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GEO 2016 transitional Work Program

 

TIGGE (Thorpex Interactive Grand global Ensemble) evolution into a Global Interactive Forecast System (GIFS)

Activity ID: 5

The objective will be to continue to develop a one stop shop for accessing a multi-model forecasting system.
The TIGGE (THORPEX Interactive Grand Global Ensemble) archive continues to be an invaluable resource for research in ensemble forecasting.
Although the THORPEX programme concluded at the end of 2014, data providers agreed to continue to contribute to TIGGE and ECMWF agreed to continue as Data Provider and Archive Centre (the National Center for Atmospheric Research (NCAR) ceased its role as a TIGGE Archive Centre at the end of THORPEX).
TIGGE data is expected to make a major contribution to the WMO THORPEX legacy projects on Polar Prediction (PPP) and High Impact Weather Project (HIWeather).
The TIGGE archive now contains nine years of multi-model ensemble data comprising
1.25 petabytes, both from ten global models, totalling more than 4.6 billion fields at the disposal of the community.
ECMWF also continues to maintain the TIGGE-LAM archive of limited-area model ensemble forecasts for Europe. Output from eight systems is being ingested in the
TIGGE-LAM archive daily, namely COSMO-LEPS, ALADIN-LAEF, COSMO-DE-EPS, DMIHIRLAM, GLAMEPS, HUNEPS, MOGREPS, PEARP.
The new WWRP (World Weather Research Programme) working group on Predictability, Dynamics and Ensemble Forecasting (PDEF) will support the THORPEX legacy projects, including S2S (Subseasonal to Seasonal project) and PPP (Polar Prediction Project).

The Terms of Reference of the PDEF include:
1. To advance the science of dynamical meteorology and predictability research
2. To improve ensemble predictions
3. To support WWRP projects
4. To promote the use of TIGGE and TIGGE-LAM and other ensemble data-sets

TIGGE would naturally feed into the development of a Global Interactive Forecast System (GIFS) to coordinate advance warnings and forecasts of high impact weather events to mitigate loss of life and property, to be developed through voluntary contributions of national, regional, and international organizations.

Leadership & Contributors (this list is being populated)

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GEO Secretariat
7 bis, avenue de la Paix
Case postale 2300
CH-1211 Geneva 2
Switzerland

e-mail: secretariat@geosec.org
phone: +41 22 730 8505
fax: +41 22 730 8520