[ncl-talk] Find nearest grid with non-missing value

[Xin Xi]

Hi, I have a dataset with dimensions time x lat x lon. I need to find the
1-D time series from a location using the corresponds lat/lon index. In
some cases, the dataset has missing values for the location, in which case
I want to use the nearest grid instead. Can this be done in NCL (with a
function in place)?
Thanks!
Xin
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