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Status on | Time range (forecasts and hindcasts) | Resolution of model | Forecast initial conditions | Forecast ensemble size | Hindcast initial conditions | Hindcasts ensemble size | Hindcast period | Hindcast |
---|---|---|---|---|---|---|---|---|
ECMWF (ecmf) | 215 days | TCO319/L91 Dynamics:TCO319 cubic octahedral grid Physics: O320 Gaussian grid (36 km) 91 levels in vertical, to 0.01hPa (80km) | 1st of month | 51 members | 1st of month | 25 | 1981-2016 | fixed |
UKMO (egrr) | 215 days | N216/L85 0.83° x 0.56° (~ 60km in mid-latitudes) 85 levels in vertical, to 85km | each day of month | 2 members/day(4) | 1st, 9th, 17th, 25th of month | 7 members/start time | 1993-2016 | on-the-fly(1) |
Météo-France(3) (lfpw) | 7 calendar months | TL359/L137 (0.5°) 137 levels in vertical, to 0.01hPa | last and penultimate Thursday of previous month 1st of month | 25 members each 1 member | last and penultimate Thursday of previous month 1st of month | 12 members each 1 member | 1993-2018 | fixed |
DWD (edzw) | 6 calendar months | T127 (~100 km) 95 levels in vertical, to 0.01hPa | 1st of month | 50 members | 1st of month | 30 members | 1993-2019 | fixed |
CMCC (cmcc) | 6 calendar months | approx 0.5° lat-long 46 levels in vertical, to 0.2hPa | 1st of month | 50 members | 1st of month | 40 members | 1993-2016 | fixed |
NCEP | 215 days | T128/L64 (~ 1°) 64 levels in vertical, to 0.02hPa | each day of month members initialised every 6 hours (at 0h, 6h, 12h and 18h UTC) | 4 members/day | every 5 days (5) members initialised every 6 hours (at 0h, 6h, 12h and 18h UTC) | 4 members/start date | 1993-2016 | fixed |
JMA (rjtd) | 215 days | TL319 (approx. 55km) 100 levels in vertical, to 0.01hPa | every day of month | 5 members/day | 2 start dates lagged by 15 days (6) | 5 members/start date | 1993-2016 | fixed |
ECCC (cwao) (7) (component of CanSIPSv2.1) | 214 days | T63 (~2.8° lat-long) 35 levels in vertical, to 1hPa | 1st of the month | 10 members | 1st of the month | 10 members | 1993-2020 | fixed |
ECCC (cwao) (7) (component of CanSIPSv2.1) | 214 days | ~1.1° lat-long (~110 km) 85 levels in vertical, to 0.1hPa | 1st of the month | 10 members | 1st of the month | 10 members | 1993-2020 | fixed |
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Forecasting centre | Forecasting system name | CDS 'system' value |
---|---|---|
ECMWF | System 4 | 4 |
SEAS5 | 5 | |
51(a) | ||
Météo-France | System 5 | 5 |
System 6 | 6 | |
System 7 | 7 | |
System 8 | 8 | |
CMCC | SPS3 | 3 |
SPS3.5 | 35 | |
DWD | GCFS2.0 | 2 |
GCFS2.1 | 21 | |
NCEP | CFSv2 | 2 |
JMA | CPS2 | 2 |
CPS3 | 3 | |
ECCC | GEM-NEMO | 1 |
CanCM4i | 2 | |
GEM5-NEMO | 3 |
(a) Due to technical reasons, a new version of ECMWF SEAS5 data has been created using the keyword system=51. See details on Announcements (date 12/October/2022)
Systems producing their hindcasts on-the-fly
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