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Ticket Resolution Summary Owner Reporter
#425 fixed Another start dump request willie oma
Description

Hello again,

Would it be possible to bring available start dumps (MO or ECMWF) for 1200 UTC 11 December 1989?

Thanks,

Oscar

#426 fixed Running a global model with 70 vertical levels willie oma
Description

Hello,

I'd like to run the global UM vn6.1 to generate LBCs for a case study from December 2009. I usually run this same setup at a resolution of 640x481 and 50 vertical levels. However, the startdump file I have now has the same horizontal resolution but 70 levels. The other difference with 50-level startdumps is that the new one seems to have three extra fields (STASH=21,STASH=212 and STASH=351).

I've tried to run the usual 50-level setup (example job xdgna) changing the obvious parts to 70 levels taking parameters from example job xeria (the only one I found with 70 levels).

The run did not start complaining with the following error message:

*

ERROR!!! in reconfiguration in routine Rcf_Exppx

Error Code:- 2

Error Message:- Cant find STASH item 21 section 0 model 1 in STASHmaster

Error generated from processor 0 *

What would you think is the best way to proceed in this case?

Thanks,

Oscar

#427 fixed LAM failing after 30 mins or so willie a.elvidge
Description

Hi,

I have a LAM job (xenon) which goes unstable within about 30 minutes of the job running.

I have plotted out these first 30 minutes and find that it appears to be the latent heat flux which is source of the instability. I have tried all kinds of tweaks and changes (e.g. switching on/off the standard deviation and roughness fields of the orography ancil, switching on/off the horiontal diffusion scheme, configuring the standard climatological sst and sea ice ancils, and now with daily sst and sea ice ancil fields), yet I am no closer to a solution.

Just wandering if anyone can any other suggestions?

Thanks, Andy

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