[gradsusr] Plotting WEASDsfc with the GFS Ensemble

Stephen McMillan smcmillan at planalytics.com
Mon Oct 29 09:21:21 EDT 2018


Aaron,

I will try to assist with this at some point today when I have more time.
Meanwhile, perhaps another user will provide a useful response.

Stephen Mc

On Mon, Oct 29, 2018 at 9:04 AM Perry, Aaron <Aaron.Perry at lsc.vsc.edu>
wrote:

> Good Morning Stephen and thank you for the reply.
>
>
> The plotted model is the GFS Ensemble Average from (
> http://nomads.ncep.noaa.gov/pub/data/nccf/com/gens/prod/gefs.20181029/00/pgrb2ap5/).
> My script is run by a while loop that loops the 6-hour timesteps through
> 240 hours, accumulating with each timestep.
>
>
>
> *Aaron Perry*
> Class of 2016
> Lyndon State College
> Lyndonville, VT 05851
> Twitter: @AaronPerryWx <https://twitter.com/AaronPerryWx>
> <https://twitter.com/arnpry> <https://twitter.com/AaronPerryWx>
> Email: Aaron.Perry at lyndonstate.edu
> ------------------------------
> *From:* gradsusr <gradsusr-bounces at gradsusr.org> on behalf of Stephen
> McMillan <smcmillan at planalytics.com>
> *Sent:* Monday, October 29, 2018 8:37:57 AM
> *To:* GrADS Users Forum
> *Subject:* Re: [gradsusr] Plotting WEASDsfc with the GFS Ensemble
>
> *This message is from an external sender. Please be careful when clicking
> on links and attachments. *
>
> Aaron,
> What are you trying to accomplish?  Display the sum of all ensemble
> members for a single time step?  It would help if you included more than
> just your 'define snow...' code, such as your time settings, your display
> command, etc.
>
> Stephen Mc
>
> On Mon, Oct 29, 2018 at 7:03 AM Perry, Aaron <Aaron.Perry at lsc.vsc.edu>
> wrote:
>
> I am trying to plot WEASDsfc from the GFS Ensemble and am getting the
> following results:
>
>
>
> I am using the following GrADS code:
>
>
> 'define snow =
> const((sum(maskout(WEASDsfc.1-WEASDsfc.1(t-1),WEASDsfc.1-WEASDsfc.1(t-1)),t=1,t+0,1))/2.54,
> 0, -u)'
>
> What am I doing wrong?
>
>
>
>
> *Aaron Perry*
> Class of 2016
> Lyndon State College
> Lyndonville, VT 05851
> Twitter: @AaronPerryWx <https://twitter.com/AaronPerryWx>
> <https://twitter.com/arnpry> <https://twitter.com/AaronPerryWx>
> Email: Aaron.Perry at lyndonstate.edu
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