13-06-2017 Issues with data
- KMA: problematic wind components fields on pressure levels
- wrong valid times of the maximum/minimum temperature
- wrong accumulated parameters(except for total precipitation)
For more details go directly to the data issues page.
08-06-2017 ISAC-CNR change
08-06-2017 HMCR starting day change
23-05-2017 S2S user survey
22-03-2017 JMA model change
22-02-2017 UKMO reforecast system update
The number of ensemble members for each hindcast year in UKMO re-forecasts has been increased from 3 to 7. The first affected model run is from the 25th of March, 2017. More information ... here.
20-01-2017 ISAC-CNR starting day change
10-01-2017 KMA forecasts added to S2S database
22-11-2016 ECMWF model change
24-10-2016 UKMO reforecast system update
10-10-2016 Vertical velocity(w) archiving extended in ECMWF outputs
27-09-2016 Vertical velocity(w) archiving extended in CMA real-time forecasts
15-09-2016 S2S forecast products
A new range of near-real time forecast charts based on the Sub-seasonal to Seasonal predictions (S2S) database is now openly available at: www.ecmwf.int/en/research/projects/s2s/charts/s2s
They can be used to monitor the S2S data and assess the quality of the forecasts, as well as providing a testbed for the development of new products, for example to identify signals for extreme events at the sub-seasonal timescale. The products include ensemble mean anomalies for some meteorological parameters, Extreme Forecast Index (EFI) for 2m temperature and forecasts of the Madden and Julian Oscillation (MJO). Since S2S is a research project, the forecasts are available with a 3-week delay; they are not intended for operational use.
Currently the S2S charts are limited to six models. In future all 11 S2S models will be included and the range of products will be extended. More information will be available ...here.
17-08-2016 UKMO reforecast system change
29-06-2016 ECCC forecasts added to S2S database
17-06-2016 Meteo-France interpolation error fixed
The interpolation problem in all Meteo-France real-time data in the period 19.5.-16.6. was fixed. The affected data in MARS was re-archived with the corrected one on June 17. For more details, please visit the page about Issues with data.
24-05-2016 CMA initial conditions real-time data problem fixed
The problem with initial conditions in some CMA real-time data in January 2015 and 2016 was fixed. The affected data in MARS was re-archived. For more details, please visit the page about Issues with data.
07-05-2016 More resources available for ECMWF's S2S Data Portal
In the last few months we have experienced an increase in the number of users and requests accessing re-forecast data. Substantial disk space has made available in order to keep such data cached on disk. Users should experience a much better throughput, specially for re-forecasts of models with fixed configurations.
25-04-2016 UKMO reforecast system change
13-04-2016 Météo-France (lfpw) real-time forecast update
The real-time forecast frequency was changed from once per month to weekly and the length of forecast was changed from 61 to 32 days. The first date archived with this new setup is 3rd March 2016. More information... here.
31-03-2016 CMA sea-ice cover issue fixed
For more details, please visit the page about Issues with data.
23-03-2016 More issues with data: problems with sea-ice cover from CMA and BoM
Sea-ice cover data from BoM and CMA have problems, mostly in the re-forecast. Users are recommended not to make use of this data until it has been replaced in the S2S Archive, which we aim to do in the coming weeks. This will be announced to users. For more details, please visit the page about Issues with data.
08-03-2016 ECMWF forecast system change
Update of ECMWF forecast system. A new version of ECMWF model (IFS cycle 41r2) was introduced at ECMWF.The main consequences for ECMWF-S2S data are:
- Introduction of a new model grid: the reduced Gaussian octahedral grid;
- Horizontal resolution of the ENS increased from TL639 / N320 to TCO639 / O640 for ENS (Days 0 - 15) and from TL319 / N160 to TCO319 / O320 for ENS Extended (Days 16 - 46), where subscript C stands for cubic and O for octahedral;
- For the medium-range ENS there will no longer be a decrease of resolution at day 10: the ENS Days 11 - 15 will be run at the same TCO639 / O640 resolution as ENS Days 0 - 10;
Click here for full details.
13-01-2016 ECMWF e-suite tests
06-01-2016 UKMO reforecasts added to S2S database
05-01-2016 NCEP reforecasts complete
10-12-2015 UKMO real-time forecasts model added to S2S database
04-12-2015 ISAC-CNR model added to S2S database
10-10-2015 Issues with data
06-10-2015 Scripts to help retrieving reforecasts data
We have documented a couple of cases on how to write scripts to retrieve data efficiently via the WebAPI. In order to do that one needs to know the frequency and availability of each Centre's re-forecast. These use cases are linked in the page with models' description (click on the model name in the first column there)
For example the links to BoM or CMA use cases are here:
06-10-2015 Availability of reforecasts
The web interface to access re-forecasts was opened. The interface is available here.
07-09-2015 Météo-France (lfpw) reforecast update
The re-forecast frequency was changed from once to twice per month. More information... here.
26-06-2015 HMCR model added to S2S database
26-06-2015 Météo-France added to S2S database
10-06-2015 CMA added to S2S database
14-05-2015 ECMWF model upgrade
06-05-2015 S2S database launch at ECMWF
The official launch of S2S database
Near real-time forecasts from four data providers (BoM, ECMWF, JMA and NCEP) have been ingested routinely since January 2015.
More information... here.
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