[gradsusr] Cumulative Output

Daniel Nairn dannairn at gmail.com
Thu Feb 25 14:00:02 EST 2016


I was beginning to wonder if that was the case, thanks Jeff.

On 25 February 2016 at 16:50, Jeff Duda <jeffduda319 at gmail.com> wrote:

> Daniel,
> This is a WRF issue, not a grads issue. If you want to see swaths, you
> need to integrate the model field over individual time steps, something
> you'd have to alter the WRF code to do. If you just want maximum updraft
> helicity between history intervals, however, the AFWA diagnostics package
> can help you with that. It's set in the namelist.
>
> Jeff Duda
>
> On Thu, Feb 25, 2016 at 6:17 AM, Daniel Nairn <dannairn at gmail.com> wrote:
>
>> Hi
>>
>> I'm wondering if its possible for Grads to produce cumulative output for
>> some WRF variables that are usually plotted hourly...for example, if I
>> wanted to plot updraft helicity in a cumulative fashion, rather than an
>> hour by hour approach, so the images produced show updraft 'tracks'.
>>
>> I've tried using sum and looping but I can't seem to get this to work how
>> I was expecting. Does anybody know how to achieve this?
>>
>>
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>>
>
>
> --
> Jeff Duda
> Graduate research assistant
> University of Oklahoma School of Meteorology
> Center for Analysis and Prediction of Storms
>
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>
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