[Wrf-users] how to average in a region

wen wenguanhuan at 163.com
Thu Nov 22 07:07:50 MST 2012


Hi all. The map project of our wrfout file is lambert. I want to calculate the regionally average temperature of a small rectangle region in the domain. I don't know how to calculation using NCL. Can I use the lat and lon information to do I,just like the  conventional way in NCL [ at = dim_avg( T({lat|0:10},{lon|0:10}) ) ]? Do I have to use the function wrf_use_ll_to_ij to find the nearest point of the four rectangle corner?  Is there easy way to do that? I hope you can help. Thank you.





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Best regards
WEN
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