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[IDV #BIG-535678]: Where can I find GFS data older than 45 days old?
- Subject: [IDV #BIG-535678]: Where can I find GFS data older than 45 days old?
- Date: Fri, 09 Apr 2010 08:21:07 -0600
Hi Dave-
> Thanks again -- I'll try later (I guess that means tomorrow) to see if
> the updated version of the server helps.
It might take a while before the server is updated. This is not a production
system. I'll let you know when it gets updated.
> Also, in this case, I can't use the 80km CONUS data because my area of
> interest is Asia. And, I knew that the 2.5 deg grid was used for the
> 192hr and greater forecasts...I was just hoping (naively) that maybe the
> earlier forecasts had been downscaled to this grid within the same data set.
Okay.
Don
> On 4/8/2010 4:40 PM, Unidata IDV Support wrote:
> > Hi Dave-
> >
> >> Thanks for your help. The NCDC NOMADs server should work for what I
> >> need. Thanks for sending the explicit link to it. It will be a great
> >> resource for me both for my current project and in the future.
> >>
> >> For the other data sets you mentioned -- the ones at:
> >>
> >> Community Data Servers->Unidata Program Center Servers->Unidata LEAD
> >> Server->NCEP Model Data->Global Forecast System Model
> >
> > It looks like this is running an old version of the server. I've notified
> > the THREDDS group here of your problems. See my comments below though:
> >
> >> Unfortunately, they do not give me what I need. Here are the problems
> >> with them:
> >>
> >> o Global 0.5 degree
> >>
> >> After hitting "Add Source" IDV appeared to try to load the data, but
> >> then
> >> gave the following error message:
> >>
> >> There was an error loading the data:
> >> Error creating data source:OPENDAP.Grid with:
> >> http://lead.unidata.ucar.edu:8080/thredds/dodsC/model/NCEP/GFS
> >> /Global_0p5deg/GFS_Global_0p5deg_20100206_1200.grib2
> >> Grid data source failed making data set:
> >> dods://lead.unidata.ucar.edu:8080/thredds/dodsC/model/NCEP/GFS
> >> /Global_0p5deg/GFS_Global_0p5deg_20100206_1200.grib2
> >> Variable name (N5-Wave_Geopotential_Height_Anomaly)
> >> must be unique within Group
> >
> > This is a bug. Hopefully updating the server will fix that.
> >
> >> o Global 1 degree
> >>
> >> Contains no forecast data sets; only has initial data.
> >
> > A configuration problem.
> >
> >> o Global 2.5 degree
> >>
> >> Forecast data available only for forecasts beginning with
> >> Day 8 (192 hours)..
> >
> > That's expected and the same on other servers.
> >
> >> o Northern Hemisphere
> >>
> >> Has initial data and forecast data out to 120 hours, but the
> >> resolution is much too coarse for what I need.
> >
> > I take it you need more than what the 80km CONUS covers.
> >
> >> In all cases I used "I'm Feeling Lucky" for my Data Source Type.
> >
> > That should work (with the caveats above).
> >
> >> Thanks again for your help!
> >
> > No problem.
> >
> > Don
> >
> >> On 4/8/2010 3:29 PM, Unidata IDV Support wrote:
> >>> Hi Dave-
> >>>
> >>>> Full Name: Dave Linder
> >>>> Email Address: address@hidden
> >>>> Organization: UCAR/COMET
> >>>> Package Version: 2.8u1 build date:2010-02-02 22:30 UTC
> >>>> Operating System: Linux
> >>>> Hardware: Java: home: /.automounts/comet/linder/IDV/bin/IDV_2.8u1/jre
> >>>> version: 1.6.0_17 j3d:1.5.2 fcs (build4)
> >>>> Description of problem: Folks,
> >>>>
> >>>> I'm looking for GFS data, both initial and forecast, over Asia for a few
> >>>> days in early February 2010. After looking through the data available
> >>>> in the "Community Data Servers" area, the only data sets I could find
> >>>> which might help were the GFS 381km data set (which seems to have
> >>>> everythign I need but on a very coarse grid) and longer range forecasts
> >>>> (forecasts> 180 hours) in the GFS 2.5 degree data set. Are there any
> >>>> other GFS archive data sets which would give a better resolution than
> >>>> the 381km grid and would have forecast grids between 6-96 hours?
> >>>
> >>> There are two places:
> >>>
> >>> - in the catalog, under Community Data Servers->Unidata Program Center
> >>> Servers->Unidata LEAD Server->NCEP Model Data->Global Forecast System
> >>> Model
> >>> - NCDC's NOMADs server
> >>> (http://nomads.ncdc.noaa.gov/thredds/catalog/gfs-hi/catalog.xml)
> >>>
> >>> Don Murray
> >>>
> >>> Ticket Details
> >>> ===================
> >>> Ticket ID: BIG-535678
> >>> Department: Support IDV
> >>> Priority: Normal
> >>> Status: Open
>
>
Ticket Details
===================
Ticket ID: BIG-535678
Department: Support IDV
Priority: Normal
Status: Open