[gradsusr] minimum pressure

Andrew Friedman andfried at gmail.com
Thu Oct 16 18:27:26 EDT 2014


Hi Mojy,
Are you able to download the updated GrADS on your computer? I believe it would be the most straightforward. Otherwise, I am not sure.
Andrew

On Oct 16, 2014, at 6:16 PM, T. haghroosta <haghroosta at hotmail.com> wrote:

> Dear Andrew,
>  
> My Grads version is 2.0.a4.oga.1 for windows. Now what shall I do? Isn't any way to calculate the place of minimum central pressure in a special area?
>  
> I am looking forward.
> Regards,
> Mojy
>  
> 
> > Message: 1
> > Date: Thu, 16 Oct 2014 10:20:14 +0200
> > From: Andrew Friedman <andfried at gmail.com>
> > Subject: Re: [gradsusr] minimum pressure
> > To: GrADS Users Forum <gradsusr at gradsusr.org>
> > Message-ID: <587BA160-AE84-4B0B-8A54-E3C3501AA21E at gmail.com>
> > Content-Type: text/plain; charset=windows-1256
> > 
> > Hi Mojy,
> > What version of GrADS are you running? You need to have at least version 2.0.2 for these functions.
> > -Andrew
> > 
> > On Oct 16, 2014, at 12:39 AM, T. haghroosta <haghroosta at hotmail.com> wrote:
> > 
> > > Dear Jennifer Adams,
> > > 
> > > I used "amin" , "aminlocx", and "aminlocy", but unfortunately the grads says that the (expression "amin" ..... is not a variable or function)
> > > 
> > > I wrote this:
> > > open E:\WRF\test.ctl
> > > d amin(slp, lon=100, lon=130, lat=0, lat=15) 
> > > 
> > > Could you please lead me how to solve this problem?
> > > Regards,
> > > Mojy
> > > 
> > > 
> > > 
> > > > Message: 2
> > > > Date: Wed, 15 Oct 2014 10:24:11 -0400
> > > > From: Jennifer Adams <jma at cola.iges.org>
> > > > Subject: Re: [gradsusr] minimum pressure
> > > > To: GrADS Users Forum <gradsusr at gradsusr.org>
> > > > Message-ID: <8B13D977-AF53-4C4F-BC3D-8BEF26C647A1 at cola.iges.org>
> > > > Content-Type: text/plain; charset="windows-1252"
> > > > 
> > > > Try the amin() function: http://iges.org/grads/gadoc/gradfuncamin.html
> > > > ?Jennifer
> > > > 
> > > > On Oct 15, 2014, at 10:00 AM, T. haghroosta <haghroosta at hotmail.com> wrote:
> > > > 
> > > > > Dear All,
> > > > > 
> > > > > Could you please lead me how to find the minimum value of pressure in an area in a special time? I mean I have a .ctl file and a .dat file from WRF model. I would like to find the place of minimum pressure in an area with grads. Can anyone help?
> > > > > 
> > > > > I am looking forward.
> > > > > Regards,
> > > > > Mojy 
> > > > > _______________________________________________
> > > > > gradsusr mailing list
> > 
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