Skip to content

Read Single Grib file: Ignore Lead Time when variable can't be read #147

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
timothyas wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Read Single Grib file: Ignore Lead Time when variable can't be read #147

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
38 changes: 20 additions & 18 deletions ufs2arco/sources/noaa_grib_forecast.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -418,26 +418,28 @@ def open_grib(
)

# handle lead_time/fhr coordinates
xds = xds.expand_dims(["t0", "lead_time"])
xds["fhr"] = xr.DataArray(
[int(lt / 1e9 / 3600) for lt in xds["lead_time"].values],
coords=xds["lead_time"].coords,
attrs={
"long_name": "hours since initial time",
"units": "integer hours",
},
)
xds = xds.swap_dims({"lead_time": "fhr"})
xds = xds.expand_dims("t0")
if "lead_time" in xds:
xds = xds.expand_dims("lead_time")
xds["fhr"] = xr.DataArray(
[int(lt / 1e9 / 3600) for lt in xds["lead_time"].values],
coords=xds["lead_time"].coords,
attrs={
"long_name": "hours since initial time",
"units": "integer hours",
},
)
xds = xds.swap_dims({"lead_time": "fhr"})

# recreate valid_time, since it's not always there
valid_time = xds["t0"] + xds["lead_time"]
if "valid_time" in xds:
xds["valid_time"] = xds["valid_time"].expand_dims(["t0", "fhr"])
assert valid_time.squeeze() == xds.valid_time.squeeze()
xds = xds.drop_vars("valid_time")
# recreate valid_time, since it's not always there
valid_time = xds["t0"] + xds["lead_time"]
if "valid_time" in xds:
xds["valid_time"] = xds["valid_time"].expand_dims(["t0", "fhr"])
assert valid_time.squeeze() == xds.valid_time.squeeze()
xds = xds.drop_vars("valid_time")

xds["valid_time"] = valid_time
xds = xds.set_coords("valid_time")
xds["valid_time"] = valid_time
xds = xds.set_coords("valid_time")

return xds

Expand Down
Loading