...
from ecmwfapi import ECMWFDataServer
server = ECMWFDataServer()
server.retrieve({
"class": "s2",
"dataset": "s2s",
"hdate": "19810211/19820211/19830211/19840211/19850211/19860211/19870211/19880211/19890211/19900211/19910211/19920211/19930211/19940211/19950211/19960211/19970211/19980211/19990211/20000211/20010211/20020211/20030211/20040211/20050211/20060211/20070211/20080211/20090211/20100211/20110211/20120211/20130211",
"expver": "prod",
"levtype": "sfc",
"origin": "ammc",
"param": "tp",
"step": "24/to/1488/by/24",
"stream": "enfh",
"target": "CHANGEME",
"time": "00",
"type": "pf",
"number": "1/to/32",
" date": "20140101",
})