[ncl-talk] Finding points where data is zero

Wed Jul 10 17:23:07 MDT 2019

Dear NCL users,

I am trying to calculate first latitude where the graph (attached below)
changes from positive to negative north of 50-South and latitude where it
changes from negative to positive south of 50-South. the data i plotting is
tauu averaged over time and longitude, so it has latitude as its coordinate
variable.

Thank you in advance,
Amarjiit Pandde.
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