Aircraft data denial study

Title Aircraft data denial study
Description noAircraft experiment (other all usual observation types assimilated) for aircraft Observing System Experiment (OSE) see Ingleby et al (2021), https://doi.org/10.1029/2020GL090699 . Experiment from 2019-01-28 to 2019-04-30, control is h4qi.
DOI 10.21957/wafg-bh10
Experiment ID h4wu
Experiment class ECMWF Research Department
Examples

Forecast fields for u-wind @250 hPa, step gives forecast range in hours

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

server = ECMWFDataServer()

server.retrieve({
    "anoffset": "9",
    "class": "rd",
    "dataset": "research",
    "date": "2019-01-30",
    "expver": "h4wu",
    "levelist": "250",
    "levtype": "pl",
    "param": "131",
    "step": "0/12/24/48",
    "stream": "lwda",
    "target": "output.grib",
    "time": "00:00:00",
    "type": "fc"
})

Analysis fields for u-wind and v-wind @250 hPa

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

server = ECMWFDataServer()

server.retrieve({
    "anoffset": "9",
    "class": "rd",
    "dataset": "research",
    "date": "2019-01-28",
    "expver": "h4wu",
    "levelist": "250",
    "levtype": "pl",
    "param": "131/132",
    "stream": "lwda",
    "target": "analysis.bufr",
    "time": "00:00:00",
    "type": "an"
})