Polar relaxation experiment

Title Polar relaxation experiment
Description Polar relaxation experiment run at Tco199 for 46 days over 20 years starting on 12, 16 , 19, 23, 26 , 30 December and 2nd, 6th and 9th January 1999-2018.
DOI 10.21957/zgmt-gh30
Experiment ID ikfs
Experiment class ECMWF Research Department
Examples

Retrieving 2-meter temperature of the hindcast starting on 12 December 2019 for all perturbed members. 

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

server = ECMWFDataServer()

server.retrieve({
    "class": "rd",
    "dataset": "research",
    "date": "20191212",
    "expver": "iknn",
    "hdate": "20091212",
    "levtype": "sfc",
    "number": "1/to/4",
    "param": "2t",
    "step": "24",
    "stream": "enfh",
    "target": "output.grib",
    "time": "00:00:00",
    "type": "pf"
})

Retrieving 500 hPa Geopotential height of the control member of the hindcast starting on 12 December 2019.

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

server = ECMWFDataServer()

server.retrieve({
    "class": "rd",
    "dataset": "research",
    "date": "20191212",
    "expver": "iknn",
    "hdate": "20091212",
    "level": "500",
    "levtype": "pl",
    "param": "z",
    "step": "24",
    "stream": "enfh",
    "target": "output.grib",
    "time": "00:00:00",
    "type": "cf"
})