Re: Wind Barbs cross equator

Hi Pascal,

I am attaching 2 NCL scripts that draw the wind barbs with the correct
orientation for both the southern and northern hemispheres in the same
plot.
The first one is simpler but only works for 1d lat/lon (cartesian)
coordinates.
The second one plots exactly the same data but simulates 2d
coordinates by duplicating the coordinate values over the second
dimension.
The technique should work just as well if you actually have 2D
coordinate data. Since the dataset is pretty small I am attaching it
as well.

  -dave

On May 20, 2010, at 12:42 PM, waniha@meteo.go.tz wrote:

> Dear all,
> I have tried to re-edit script from wrf-website to get mslp and wind
> barbs, there's nothing wrong with the pressure, but I am getting some
> problems with winds;
> 1. The Fins are plotted as if the wj=hole domain is in the northern
> hemisphere,
> 2nd Although the domain crosses the equator but the wind barbs does
> not
> change fins direction across the while crossing equator,
> Any help will be appreciated
> enclosed herewith this mail please find the script and produced
> image
> <
> surface
> .ncl><wind_850mlp.png>_______________________________________________
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