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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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The resolution of one-week ensemble prediction model of JMA was upgraded on 21 November 2007. Major changes are:
Notes:
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KMA
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The orography was added to KMA control forecast outputs (for step 0 only). https://jira.ecmwf.int/servicedesk/customer/portal/4/SD-84207 |
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The KMA has changed their model used for TIGGE contribution from UM (Unified Model) ensemble to KIM (Korean Integrated Model) ensemble, v. 3.7, since the 1st of July 2022. KMA has been operating 2 ensemble models based on UM and KIM. The latter one, KIM, was developed during 9 year project from 2011 to 2019 and became an operational model in 2020. |
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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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