Field

TAO zonal wind
TAO u-wind data heavily interpolated
X axis: irregular grid of 19 points at 137.00 143.00 147.00 154.00 156.00 158.00 161.00 165.00 167.00 170.00 180.00 190.00 205.00 213.00 220.00 228.00 235.00 250.00 265.00
Y axis: irregular grid of 10 points at -8.00 -5.00 -2.00 0.00 2.00 4.00 5.00 7.00 8.00 9.00

Monthly data available from Jan1980 to Sep2021 ( 501 months)
Variable u (zonal wind) in m/s
Full metadata.

Get grid points, average area or generate subset

Mask:	no mask mask4.txt   add a mask to the list
Latitude:	°N - °N
Longitude:	°E - °E
Boundaries:	halfway grid points interpolated
Make:	average max min set of grid points subset of the field
Demand at least:	% valid points in this region

Create a field with lower time resolution

New time scale:	annual (Jul-Jun) annual (Jan-Dec) biannual seasonal
New variable:	mean sd sum sum above sum below number min time of min max time of max first time last time of zonal wind
Threshold:	no cut less than greater than m/s percentile normal 1971-2000
Minimum:	% valid data
First apply:	-month running mean
Missing data:	ignore, climatology, trend, persistence.

Create a field with lower spatial resolution

Average over blocks of longitude and latitude grid cells

Construct a statistical forecast model from this field

Please consider downloading this field from the authoritative site.
If you really want to get it here, TAO zonal wind is available as a netcdf file (size 0.238262 MB).

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