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| Always refer to the latest IFS documentation in https://www.ecmwf.int/en/publications/ifs-documentation |
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The ECMWF forecast system IFS was upgraded to the version 49r1. Among other changes, with 49r1, CAPE (parameter 59), is discontinued and only the improved MUCAPE (parameter 228235) is produced in the medium range forecast system. Similarly CIN (parameter 228001) parameter is replaced by MUCIN (parameter 228236). For TIGGE, those new IFS parameters MUCAPE and MUCIN are encoded for consistency still the same as before i.e. with paramId 59 (as CAPE) and 228001 (as CIN). More details can be found in Implementation of IFS Cycle 49r1 |
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The ECMWF forecast system IFS was upgraded to the version 48r1. With IFS Cycle 48r1, the horizontal resolution of the medium-range ensemble (ENS) will increase from 18 to 9 km. This will bring the ENS to the same horizontal resolution as the high resolution forecast (HRES). The vertical resolution for both ENS and HRES will remain at 137 model levels and the ENS will continue to have 51 members. For TIGGE, the IFS data is interpolated to the same resolution O640 as up to now. More details can be found in Implementation of IFS Cycle 48r1 |
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