How to use wrf_user_getvar command to get variable from files?

 Hi,

I have 100 wrfout files. And I used addfiles and wrf_user_getvar commands
together. But it give me fatal message:
*fatal:Argument type mismatch on argument (0) of (wrf_user_getvar) can not
coerce*

This is a part of my code:

*files = systemfunc("ls ./wrfout_d01_*")

 a1 = addfiles(files+".nc","r")

    u = wrf_user_getvar(a1,"ua",it) ; u averaged to mass points
    v = wrf_user_getvar(a1,"va",it) ; v averaged to mass points
*

Any suggestion?

Thanks,

Zheng

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Received on Sat Nov 08 2008 - 09:09:31 MST