Deterministic forecast with CY49R1.1 with nudging to model level version of AIFS. From June 2025

Title Deterministic forecast with CY49R1.1 with nudging to model level version of AIFS. From June 2025
Description Deterministic 10-day TCo1279L137 forecast with CY49R1.1 with nudging to model level version of AIFS. 00 UTC starts from 1 June 2025 onwards.
DOI 10.21957/z7ks-tc34
Experiment ID j09r
Experiment class ECMWF Research Department
Examples

Retrieve T/U/V for all forecast steps for start date of 17 October 2025

#!/usr/bin/env python
from ecmwfapi import ECMWFDataServer

server = ECMWFDataServer()

server.retrieve({
    "class": "rd",
    "dataset": "research",
    "date": "2025-10-17",
    "expver": "j09r",
    "levelist": "1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/700/850/925/1000",
    "levtype": "pl",
    "param": "130.128/131/132",
    "step": "0/3/6/9/12/15/18/21/24/27/30/33/36/39/42/45/48/51/54/57/60/63/66/69/72/75/78/81/84/87/90/93/96/99/102/105/108/111/114/117/120/123/126/129/132/135/138/141/144/147/150/153/156/159/162/165/168/171/174/177/180/183/186/189/192/195/198/201/204/207/210/213/216/219/222/225/228/231/234/237/240",
    "stream": "oper",
    "target": "output",
    "time": "00:00:00",
    "type": "fc"
})

Retrieve total precip for all forecast steps for start date of 17 October 2025

#!/usr/bin/env python
from ecmwfapi import ECMWFDataServer

server = ECMWFDataServer()

server.retrieve({
    "class": "rd",
    "dataset": "research",
    "date": "2025-10-17",
    "expver": "j09r",
    "levtype": "sfc",
    "param": "228.128",
    "step": "0/3/6/9/12/15/18/21/24/27/30/33/36/39/42/45/48/51/54/57/60/63/66/69/72/75/78/81/84/87/90/93/96/99/102/105/108/111/114/117/120/123/126/129/132/135/138/141/144/147/150/153/156/159/162/165/168/171/174/177/180/183/186/189/192/195/198/201/204/207/210/213/216/219/222/225/228/231/234/237/240",
    "stream": "oper",
    "target": "output",
    "time": "00:00:00",
    "type": "fc"
})