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The CMA global ensemble prediction system was upgraded on 26 December, 2018. The first updated CMA outputs for TIGGE archive have been ingested only since 1 June 2020. The main changes in this upgrade are:
Full details are available in the page Models. |
DWD
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2024 Jan 24 - Extended coupling between ICON model parameters and data assimilation building upon the 10M-wind assimilation |
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2023 Mar 15 - icon-2.6.5-nwp1
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2022 May 11 - version ICON-2.6.4-nwp4
2022 Jul 4 - version ICON-2.6.4-nwp5
2022 Nov 23 - resolution upgrade ICON-EPS (ICON deterministic unchanged)
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ECCC
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The horizontal resolution of the ECCC contribution to TIGGE has been increased from 1.0 to 0.25 degree since 12Z Also the GRIB 2 packing has been changed to simple instead of complex one (that will generally increase file sizes but also significantly reduce time needed to process such data). |
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UM upgraded to version PS39 from 12UTC cycle on 11 July 2017. TIGGE global ensemble (the Met Office MOGREPS-G) was upgraded to 20km (from 33km), N640L70, 280x960 lat-long grid, 0.1875 N-S x 0.28125 E-W degrees; the MOGREPS-G will continue to run four times a day (00, 06, 12 and 18UTC), but the number of ensemble members per run has increased from 12 to 18, with the last two runs being combined to create a 36-member time-lagged ensemble. Forecast length remains at 7d 6h. Relevant associated deterministic/data assimilation changes:
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UM upgraded to version PS38 from 6UTC cycle on 8 November 2016. The changes include predominantly a satellite applications package to include more satellite channels, re-tuned observation error estimates and better quality control of observations. This is expected to improve the headline NWP index scores by about +0.5 to +1.0 against analyses, observations, and independent ECMWF analyses. Satellite package includes:
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