[gradsusr] Possible 2021 bug with GrADS (Rabah Hachelaf)

[Brian Gaze]

Rabah,

I flagged this up a while ago and my understanding is a future release of
GrADS will fix the problem. As an interim fix I implemented Zeller's
congruence. The date data required to implement it is still proved in 2021
by the current versions of GrADS.

Brian


On Thu, 3 Dec 2020 at 17:06, <gradsusr-request at gradsusr.org> wrote:

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> Today's Topics:
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>    1. Re: [EXTERNAL] Error in opening BUFR files (Jayson Escalante)
>    2. Possible 2021 bug with GrADS (Rabah Hachelaf)
>
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 2 Dec 2020 11:58:14 -0800
> From: Jayson Escalante <json72993 at gmail.com>
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Subject: Re: [gradsusr] [EXTERNAL] Error in opening BUFR files
> Message-ID:
>         <CAGrJ4gaTff+cJs=
> HHWFoGnb5UtbHut__VKYDq0tCP52QdmVTrQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Jennifer:
>
> My issues are:
> (1) bufrscan doesn't work on my PC at all. The command prompt simply says
> it couldn't find bufrscan
> (2) I used an older version of GrADS (v2.1 if I'm not mistaken), but
> everytime I try opening BUFR files it says I need a new version of BUFR
> tables.
>
> How do I go around this? This is my first time working with BUFR files.
>
> And...if GrADS' bufr file support is indeed dated and there's no way to go
> around it, what other options do I have?
>
> Thanks a lot!
>
>
> Best regards,
> Jayson
>
> On Mon, Nov 30, 2020, 05:04 Adams, Jennifer M. (GSFC-610.2)[ADNET SYSTEMS
> INC] <jennifer.m.adams at nasa.gov> wrote:
>
> > Hello, Jayson --
> > Please have a look at  cola.gmu.edu/grads/gadoc/bufrformat.html. You
> > should also do a google search "site:gradsusr.org bufr" to find previous
> > posts on dealing with BUFR data. Please be aware that the BUFR handling
> > code in GrADS is a bit dated, and may not work with more recent versions
> of
> > BUFR, especially if new tables are needed.
> > --Jennifer
> >
> > --
> > Jennifer Miletta Adams
> > ADNET Systems, Inc.
> > NASA/GSFC, Code 610.2
> > Building 32, Room S159
> > (301) 614-6070
> >
> >
> > ?On 11/29/20, 11:19 AM, "gradsusr on behalf of Jayson Escalante" <
> > gradsusr-bounces at gradsusr.org on behalf of json72993 at gmail.com> wrote:
> >
> >     Hello, everyone.
> >
> >     I am trying to open a BUFR on GrADS v2.2.1.oga.1, the sample of which
> >     is attached to this email with command:
> >     open aaa.bufr
> >
> >     However, there seems to be an error, which says
> >
> >     ga->open aaa.bufr
> >     Scanning description file: aaa.bufr
> >     Open Error: Unknown keyword in description file
> >      --> The invalid description file record is:
> >      --> IXCN01 RJTD 290000
> >     The data file was not opened
> >
> >
> >     What do I do to open this BUFR file? Thanks a lot (in advance) for
> > your answers!
> >
> >
> >     Jayson
> >
> >
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> ------------------------------
>
> Message: 2
> Date: Wed, 2 Dec 2020 21:49:20 -0500
> From: Rabah Hachelaf <r.hachelaf at gmail.com>
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Subject: [gradsusr] Possible 2021 bug with GrADS
> Message-ID:
>         <
> CAFBQ4YLxqy1ADwK0Hs_8x-v5Ukt9OqLCA0Xo+SZkGHwkOJMH5Q at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hello,
>
> I am using GrADS to plot 35 days forecasts from GEFS 0.5 deg ensemble
> GRIB2. (
>
> https://nomads.ncep.noaa.gov/pub/data/nccf/com/gens/prod/gefs.20201202/00/atmos/pgrb2ap5/
> )
> Starting from 1 january 2021 GrADS seems to have a problem with displaying
> the name of the day.
>
> ga-> set t 120
> Time values set: 2020:12:31:18 2020:12:31:18
> ga-> q time
> Time = 18Z31DEC2020 to 18Z31DEC2020  Thu to Thu
> ga-> set t 121
> Time values set: 2021:1:1:0 2021:1:1:0
> ga-> q time
> Time = 00Z01JAN2021 to 00Z01JAN2021  ??? to ???
> ga-> set t 122
> Time values set: 2021:1:1:6 2021:1:1:6
> ga-> q time
> Time = 06Z01JAN2021 to 06Z01JAN2021  ??? to ???
> ga->
>
> Any information about this possible bug ?
>
> Thanks
> Rabah
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