html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue
https://github.com/pydata/xarray/issues/3653#issuecomment-832712426,https://api.github.com/repos/pydata/xarray/issues/3653,832712426,MDEyOklzc3VlQ29tbWVudDgzMjcxMjQyNg==,1197350,2021-05-05T14:01:25Z,2021-05-05T14:01:33Z,MEMBER,"Update: there is now a way to read a remote netCDF file from an HTTP server directly using the netcdf-python library. The trick is to append `#mode=bytes` to the end of the url.

```python
import xarray as xr
import netCDF4  # I'm using version 1.5.6

url = ""https://www.ldeo.columbia.edu/~rpa/NOAA_NCDC_ERSST_v3b_SST.nc#mode=bytes""

# raw netcdf4 Dataset
ds = netCDF4.Dataset(url)

# xarray Dataset
ds = xr.open_dataset(url)
```

","{""total_count"": 12, ""+1"": 5, ""-1"": 0, ""laugh"": 0, ""hooray"": 1, ""confused"": 0, ""heart"": 6, ""rocket"": 0, ""eyes"": 0}",,543197350
https://github.com/pydata/xarray/issues/3653#issuecomment-570163736,https://api.github.com/repos/pydata/xarray/issues/3653,570163736,MDEyOklzc3VlQ29tbWVudDU3MDE2MzczNg==,1197350,2020-01-02T10:05:54Z,2020-01-02T10:05:54Z,MEMBER,"More concise syntax for the same thing

```python
import xarray as xr
import fsspec

url = 'https://www.ldeo.columbia.edu/~rpa/NOAA_NCDC_ERSST_v3b_SST.nc'
with fsspec.open(url) as fobj:
    ds = xr.open_dataset(fobj)
    print(ds)
```","{""total_count"": 3, ""+1"": 2, ""-1"": 0, ""laugh"": 0, ""hooray"": 1, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,543197350
https://github.com/pydata/xarray/issues/3653#issuecomment-570156277,https://api.github.com/repos/pydata/xarray/issues/3653,570156277,MDEyOklzc3VlQ29tbWVudDU3MDE1NjI3Nw==,1197350,2020-01-02T09:34:58Z,2020-01-02T09:34:58Z,MEMBER,"> Xarray does not appear to be able to open netCDF from a url without a THREADS serve

This is not a limitation of xarray per se, but of the netcdf4-python library itself.

You can, however, get around this limitation by using [fsspec](https://github.com/intake/filesystem_spec).

```python
import xarray as xr
from fsspec.implementations.http import HTTPFileSystem

# your Azure URL is not publicly accessible, so I used another one
url = 'https://www.ldeo.columbia.edu/~rpa/NOAA_NCDC_ERSST_v3b_SST.nc'
fs = HTTPFileSystem()
fobj = fs.open(url)
ds = xr.open_dataset(fobj)
ds
```

This will not be very performant, but it will work.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,543197350
https://github.com/pydata/xarray/issues/3653#issuecomment-570088451,https://api.github.com/repos/pydata/xarray/issues/3653,570088451,MDEyOklzc3VlQ29tbWVudDU3MDA4ODQ1MQ==,1197350,2020-01-01T22:23:53Z,2020-01-01T22:23:53Z,MEMBER,"Does it work if you opens the url directly with netcdf4, bypassing xarray? If not, then it’s a netcdf4 or thredds problem. 

> 
> On Jan 1, 2020, at 10:44 PM, Dax Soule <notifications@github.com> wrote:
> 
> 
> Reopened #3653.
> 
> —
> You are receiving this because you are subscribed to this thread.
> Reply to this email directly, view it on GitHub, or unsubscribe.
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,543197350