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errors in T2 at land-sea boundary

PostPosted: Thu May 23, 2019 2:57 am
by aleido
I have a question regarding some WRF runs I have done, and so far I have not been able to find an answer online.
I am doing a nested run on a part of Scandinavia.

When I looked at the first nest and the second nest, I saw strange blocks appear in the surface temperature.
Then I looked into the coarse resolution, and saw that T2 values appear along the coastlines that are too low. This pattern follows the coast of Norway, Sweden, Finland and Denmark quite perfectly.

And then somehow this error causes blocks (probably the gridsize of the coarser run?) in the nested runs.

Any help pointing me in the right direction on how to solve this, would be greatly appreciated!

(It seems I cannot add attachments, but I'd be happy to send the figures of this effect!)