Large-ensemble future forecasts of the 2021 Pacific Northwest Heatwave

Title Large-ensemble future forecasts of the 2021 Pacific Northwest Heatwave
Description Forecasts using IFS EPS CY47R2 replicating operations (TCo639, ORCA025Z75). In this experiment, 251 members are forecast, rather than the usual 51. The ocean state has had a hydrostatically balanced estimate of anthropogenic influence (warming) since 1850-1900 added, such that the total anthropogenic influence is twice estimated at the present day (an equal but opposite perturbation to expid b2mg). The CO2 concentration was set to 615 ppm. If you are interested in using these data, please let us know by contacting nicholas.leach@physics.ox.ac.uk .
DOI 10.21957/3md3-2m11
Experiment ID b2mq
Experiment class United Kingdom
Examples

This requests the 250 perturbed members of 2m temperature over Europe for a future experiment forecast initialised on the 18th June 2021 in netCDF format.

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

server = ECMWFDataServer()

server.retrieve({
    "area": "e",
    "class": "uk",
    "dataset": "research",
    "date": "2021-06-18",
    "expver": "b2mq",
    "format": "netcdf",
    "grid": "0.25/0.25",
    "levtype": "sfc",
    "number": "1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/41/42/43/44/45/46/47/48/49/50/51/52/53/54/55/56/57/58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/73/74/75/76/77/78/79/80/81/82/83/84/85/86/87/88/89/90/91/92/93/94/95/96/97/98/99/100/101/102/103/104/105/106/107/108/109/110/111/112/113/114/115/116/117/118/119/120/121/122/123/124/125/126/127/128/129/130/131/132/133/134/135/136/137/138/139/140/141/142/143/144/145/146/147/148/149/150/151/152/153/154/155/156/157/158/159/160/161/162/163/164/165/166/167/168/169/170/171/172/173/174/175/176/177/178/179/180/181/182/183/184/185/186/187/188/189/190/191/192/193/194/195/196/197/198/199/200/201/202/203/204/205/206/207/208/209/210/211/212/213/214/215/216/217/218/219/220/221/222/223/224/225/226/227/228/229/230/231/232/233/234/235/236/237/238/239/240/241/242/243/244/245/246/247/248/249/250",
    "param": "167.128",
    "step": "0/3/6/9/12/15/18/21/24/27/30/33/36/39/42/45/48/51/54/57/60/63/66/69/72/75/78/81/84/87/90/93/96/99/102/105/108/111/114/117/120/123/126/129/132/135/138/141/144/147/150/153/156/159/162/165/168/171/174/177/180/183/186/189/192/195/198/201/204/207/210/213/216/219/222/225/228/231/234/237/240/243/246/249/252/255/258/261/264/267/270/273/276/279/282/285/288/291/294/297/300/303/306/309/312",
    "stream": "enfo",
    "target": "europe_pf_t2m_20210618.nc",
    "time": "00:00:00",
    "type": "pf"
})