Opened 9 years ago

Closed 9 years ago

#768 closed help (fixed)

Initializing the UM vn7.3(7.8) with recent (Sep-Dec/2011) MO NAE startdumps

Reported by: oma Owned by: um_support
Component: UM Model Keywords:
Cc: Platform:
UM Version: 7.3


Dear All,

As part of the DIAMET project we've got a series of NAE startdumps and LBCs for Sep-Dec 2011. In principle it should be straightforward to plug these into the UM and run it but it's proving to be a difficult task. At the moment I've got job xgoef that runs but only produces ubiquitous NaN.

To reach this state I've had to disable a number of fields in the startdump and modify settings regarding LBCs and vertical levels but I don't know what else to modify to have it running properly. It would be great if you could have a look and help me to set it up correctly. This is specially important since once one of these runs is ready, we can potentially all the cases that we have for these project.

I'd like to run vn7.3 but if this was not possible at the end then perhaps vn7.8 would be fine as well.

Thanks in advance,


Change History (4)

comment:1 Changed 9 years ago by willie

Hi Oscar,

I am not sure what you are trying to do here. This job has departed substantially from the PS22 NAE (UM7.3) standard. The number of vertical levels has been increased from 38 to 70 and it appears that tracers have been added. A small point is that you have used 12 cores per node - it would be better if the default of 32 were used - see the job submission page.

It may be better to start from PS27 NAE (UM7.8) which has 70 levels as standard. I could set this up. This would allow direct use of vn7.8 start dumps. I'm not sure about the tracers though.



comment:2 Changed 9 years ago by oma

Hi Willie,

That's exactly what I'm trying to do. We've got this lot or MO NAE startdumps on 70 levels but so far we haven't been able to use them because the model wouldn't run with them. I think the tracers that you mention are fields that I have had to disable so that the UM7.3 would accept the startdump.

I've been trying to use vn7.3 for two reasons. The first is that the code that I want to add is already written (via FCM) for vn7.3. The second reason is that we were unable to locate a UMUI example job on the NAE domain. If vn7.3 can't be used with these startdumps, then it would be great if you could set up PS27 NAE (UM7.8). Hopefully that will finally allow us the use and analyses of these cases.



comment:3 Changed 9 years ago by willie

Hi Oscar,

I have now set up a PS27 NAE standard job on HECToR, user 'umui', job 'xgwa'.



comment:4 Changed 9 years ago by willie

  • Resolution set to fixed
  • Status changed from new to closed
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