Comments (4)
Could you provide:
- a full minimal example
- the version of climada you are using
I encountered a similar warning, but the tracks did not seem to have anything wrong.
Note from the docstring of from_tracks()
that by default centroids that are "far from coast" are ignored, which lead TC that are nowhere near the coast to consist of zero filled arrays:
ignore_distance_to_coast : boolean, optional
If True, centroids far from coast are not ignored.
If False, the centroids' distances to the coast are calculated with the
`Centroids.get_dist_coast()` method (unless there is "dist_coast" column in
the centroids' GeoDataFrame) and centroids far from coast are ignored.
Default: False.
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Ok so I checked the IBTracks dataset itself for this specific track and there are no records of radius_max_wind (and only very few of the sustained wind)
So the missing data is not related to the parallel processing at all, just to the fact that it does not exist.
Default behaviour is to fill in the gaps by interpolating, but that only if at least some data exists.
You can use estimate_missing = True
in from_ibtracs_netcdf()
to estimate missing physical variables from the ones that are available. But beware this uses coarse assumptions, from the documentation:
estimate_missing : bool, optional
For each fixed time step, estimate missing pressure, wind speed and radius using other
variables that are available at that time step.
The relationships between the variables are purely statistical. In comparison to
interpolate_missing
, this procedure is able to estimate values for variables that
haven't been reported by any agency at any time step, as long as other variables are
available.
A typical example are storms before 1950, for which there are often no reported values
for pressure, but for wind speed. In this case, a rough statistical pressure-wind
relationship is applied to estimate the missing pressure values from the available
wind-speed values.
Make sure to setrescale_windspeeds=True
when using this option because the
statistical relationships are calibrated using rescaled wind speeds.
Concerning the warning, I no longer have it when using estimate_missing = True
so I guess it solve your problem, but there is indeed something to look into otherwise.
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