Exaggerated PRMSL values in first forecast file for child domain

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norulz
Posts: 91
Joined: Thu Mar 12, 2015 1:43 pm

Exaggerated PRMSL values in first forecast file for child domain

Post by norulz » Wed Apr 01, 2015 11:06 am

Running ARW in Mercator projection, I get wildly exaggerated pressure values (PRMSL) and multiple highs and lows appear all over the plot. This occurs only in the first forecast file and only for the child domain. The next child domain forecast file shows "normal" isobars. These artefacts do not appear in the main (parent) domain output.

Any guidance will be most appreciated.
David

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