Messed up pressure

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Posts: 64
Joined: Tue Sep 25, 2012 2:39 am

Messed up pressure

Post by weatherc » Thu Oct 16, 2014 9:29 am

Hi gurus,

Do you have any idea why ex. the pressure wents messed up when i increase the resolution? In this case it happens when change from 3.75 km NMM to 3.5 km NMM.

The domain are a "quite small" sized covering UK.


// Henkka

Posts: 1534
Joined: Wed Aug 19, 2009 10:05 am

Re: Messed up pressure

Post by meteoadriatic » Thu Oct 16, 2014 12:54 pm

Yes, most probably time step too large. If you increase resolution you need to decrease time step. If you use automatic, swith to manual and lower it down until there is no noise anymore. Try and see if it helps.

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