This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Hi John, I will initiate the process for obtaining allows from FNMOC and the CMC. I will keep you posted and "in the loop".. Cheers, Jeff --------------------------------------------------------------------- Jeff Weber address@hidden : Unidata Program Center PH:303-497-8676 : University Corp for Atmospheric Research 3300 Mitchell Ln : http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000 : --------------------------------------------------------------------- On Wed, 13 Jul 2005, John Cangialosi wrote: > > Hi Jeff, > > Thanks for all of the feedback, it is very helpful. > > I would very much appreciate it if you could set up the IDD feed for CMC > and NOGAPS. I would be happy to try it on this data to see if the model > can handle it. > > Thanks again, > > John > > > Hi John, > > > > Comments in text... > > > > --------------------------------------------------------------------- > > > > On Tue, 12 Jul 2005, John Cangialosi wrote: > > > >> Hi Jeff, > >> > >> First, I'd like to say thank you very much for helping us out. > >> > >> I am very new with LDM and do not know much about details, but I can > >> tell > >> you how grib data is coming in our system. > >> > >> 1. Through LDM > >> In the pqact.conf file we are getting grib data from RUC, NGM, ECMWF, > >> AVN. > >> I believe this grib data is course and not the full fields, is that > >> correct? > > > > Yes, the resolution is less fine in the standard HDS/HRS feed in the LDM > > via the IDD:..but the fields are "full" in the context that it contains > > all the NOAAPORT data (that which is deemed operationally valuable by the > > NWSFO's) > > > > http://my.unidata.ucar.edu/content/software/ldm/ldm-6.0.14/basics/feedtypes/index.html > > > > and > > > > http://my.unidata.ucar.edu/content/software/ldm/ldm-6.0.14/basics/feedtypes/hds.html > > > >> > >> Here is a subset of what it looks like: > >> > >> 2005070200_nhmrf.grib 2005070700_prmrf.grib 2005071200_usmrf.grib > >> 2005070200_ocean.grib 2005070700_ruc.grib 2005071201_ruc.grib > >> 2005070200_prmrf.grib 2005070700_sst-a.grib 2005071202_ruc.grib > >> 2005070200_ruc.grib 2005070700_sst-m.grib 2005071203_ruc.grib > >> 2005070200_sst-a.grib 2005070700_sst-t.grib 2005071204_ruc.grib > >> 2005070200_sst-m.grib 2005070700_usmrf.grib 2005071205_ruc.grib > >> 2005070200_sst-t.grib 2005070701_ruc.grib 2005071206_ruc.grib > >> 2005070200_usmrf.grib 2005070702_ruc.grib 2005071207_ruc.grib > >> 2005070201_ruc.grib 2005070703_ruc.grib 2005071208_ruc.grib > >> 2005070202_ruc.grib 2005070704_ruc.grib 2005071209_ruc.grib > >> 2005070203_ruc.grib 2005070705_ruc.grib 2005071210_ruc.grib > >> 2005070204_ruc.grib 2005070706_ruc.grib 2005071211_ruc.grib > >> 2005070205_ruc.grib 2005070707_ruc.grib 2005071212_ngm-h.grib > >> 2005070206_ruc.grib 2005070708_ruc.grib 2005071212_ngm-i.grib > >> 2005070207_ruc.grib 2005070709_ruc.grib 2005071212_ngm-n.grib > >> 2005070208_ruc.grib 2005070710_ruc.grib 2005071212_ngm-q.grib > >> 2005070209_ruc.grib 2005070711_ruc.grib 2005071212_ruc.grib > >> 2005070210_ruc.grib 2005070712_ecmwf_H.grib 2005071213_ruc.grib > >> > >> 2. FTP > >> In the datatruck.conf file we are linking to ftp sites (right now only > >> the > >> NCEP site is working) to read in the full field grib data. > >> > >> Here is what this file looks like: > >> > >> # Set my defaults > >> # remote user: ftp remote user login name > >> # remote password: ftp remote login password > >> # rmaxdays: number of past days to mirror images. undefined > >> means all > >> # mail_to: email address to mail log events to > >> # mail_err: email address to mail problems to > >> package=defaults > >> # rmaxdays=1 > >> remote_user=anonymous > >> remote_password=address@hidden > >> # mail_to=address@hidden > >> mail_err=address@hidden > >> > >> # DO NOT TOUCH ANY OF THE FOLLOWING ENTRIES > >> # Keep a log file in each updated directory > >> # Don't overwrite my datatruck log with the remote one. > >> # Don't pull back any of their datatruck temporary files. > >> # Don't touch anything whose name begins with a space! > >> exclude_patt=^\.\w|^#.*#|^lost+found/|(^|/)\ > >> > >> # Don't delete own mirror log > >> delete_excl=\.LOCK$|.mirror$|.mirror.old$ > >> site=ftpprd.ncep.noaa.gov > >> > >> package=avn1 > >> get_patt=gfs\........./gfs.t..z\.* > >> local_dir=/home/disk/wx/data/oso/gfs > >> remote_dir=/pub/data/nccf/com/gfs/prod > >> > >> package=avn2 > >> get_patt=gfs\........./gdas.t..z\.pgrbf... > >> local_dir=/home/disk/wx/data/oso/gfs > >> remote_dir=/pub/data/nccf/com/gfs/prod > >> > >> package=eta104 > >> get_patt=nam\........./nam.t..z\.grbgrd..\.tm00 > >> local_dir=/home/disk/wx/data/oso/nam > >> remote_dir=/pub/data/nccf/com/nam/prod > >> > >> package=eta221 > >> get_patt=nam\........./nam.t..z\.awip....\.tm00 > >> local_dir=/home/disk/wx/data/oso/nam > >> remote_dir=/pub/data/nccf/com/nam/prod > >> > >> package=fnl > >> get_patt=sst\........./sst2dvar_grb_0.5 > >> local_dir=/home/disk/wx/data/oso/fnl > >> remote_dir=/pub/data/nccf/com/gfs/prod > >> > >> > >> What we would like to have is the full model grib fields (AVN, GFDL, > >> NOGAPS, CMC) to run a regional model. Is this attainable through LDM? > >> or > >> do we need to setup the datatruck.conf file to get them ftp'd in. > > > > > > OK, here is the sticky wicket...both CMC and FNMOC offer a broader product > > via ftp than they do via the LDM/IDD..so I suspect you would be happier > > hitting their ftp servers rather than getting it via the IDD....I am more > > than happy to set up the feed anyway so you can see if the data via the > > LDM/IDD suits your needs (let me know if you want to do that)..I believe > > that you will find that the resolution and products available via the > > CONDUIT feed are what you will desire. > > > > The GFS, NAM, and RUC are available in the CONDUIT feed > > > > Please see: > > > > http://my.unidata.ucar.edu/content/data/conduit/ldm_idd/index.html > > > > for more info re the CONDUIT feed. > > > > I have an "allow" in place for you for the CONDUIT feed on: > > > > idd.unidata.ucar.edu > > > > > > Please let me and/or support know how we can help you further. > > > > > > Cheers, > > > > Jeff Weber > > > > > >> > >> Thanks so much for your help, > >> > >> John Cangialosi > >> > >> > >> > >> > >> > Hi Shuyi, > >> > > >> > Yes, I have been told (have not investigated myself) that the grids > >> > available via ftp differ from the grids we deliver via the IDD..I have > >> > been told that the ftp site has more grids... > >> > > >> > Yes, it sure is easier to work it through the ldm..:) > >> > > >> > I will check, and make available a list of the differences. > >> > > >> > I look forward to hearing back from John and working through this > >> issue. > >> > > >> > > >> > Cheers, > >> > > >> > Jeff > >> > --------------------------------------------------------------------- > >> > Jeff Weber address@hidden : > >> > Unidata Program Center PH:303-497-8676 : > >> > University Corp for Atmospheric Research 3300 Mitchell Ln : > >> > http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000 : > >> > --------------------------------------------------------------------- > >> > > >> > On Mon, 11 Jul 2005, Shuyi Chen wrote: > >> > > >> >> Hi Jeff, > >> >> > >> >> Thanks for the info on CONDUIT feed. Yes, dusky.rsmas.miami.edu > >> >> is one of my systems. > >> >> > >> >> We have been given separate ftp sites for NOGAPS (FNMOC) and > >> >> CMC (http://dd.weatheroffice.ec.gc.ca/grib/public/hires). However, > >> >> I'd prefer the data flow through ldm if the correct grib data can > >> >> be worked out since it's easier to automat the process than going > >> >> to different ftp sites. > >> >> > >> >> John Cangialosi (I CC John on this) in my group has been working on > >> >> the ldm feed and he will be able to tell you some of the details > >> >> on the problems he had. I appreciate your help. > >> >> > >> >> Thanks, > >> >> Shuyi > >> >> > >> >> Shuyi S. Chen, Associate Professor > >> >> RSMAS/University of Miami > >> >> address@hidden > >> >> > >> >> > >> >> > >> >> > >> >> > >> >> > Hello Shuyi, > >> >> > > >> >> > Yes, we can help you ingest either or all of these models other > >> >> > than the GFDL. > >> >> > > >> >> > Keep in mind that the output from the CMC (that we distribute) is > >> >> > a regional version of the GEM output with an emphasis on the > >> >> > northern portion of the hemisphere, also the grids from FNMOC > >> >> > (NOGAPS model) is also a deprecated output with some fields > >> >> > missing in some time frames. > >> >> > > >> >> > I suspect you will wish to bring in the hi-res CONDUIT feed of the > >> >> > GFS. > >> >> > > >> >> > Please see: > >> >> > > >> >> > http://my.unidata.ucar.edu/content/data/conduit/ldm_idd/index.html > >> >> > > >> >> > This is the preferred choice for model initialization, as it has > >> >> > higher resolution and fairly complete grids :) > >> >> > > >> >> > Please let me know if you would still like to "experiment" with > >> >> > the FNMOC and CMC feeds and I will initiate the contact between > >> >> > you and the > >> >> > modeling centers. > >> >> > > >> >> > > >> >> > I see that: > >> >> > > >> >> > dusky.rsmas.miami.edu [6.0.14] > >> >> > sapodilla.rsmas.miami.edu [6.0.14] > >> >> > > >> >> > are currently running the LDM..is one of these yours? > >> >> > > >> >> > How do you want to process the data...? > >> >> > > >> >> > Simply file for use in native format, or decode to another format > >> >> > for use? > >> >> > > >> >> > Let us know specifically what your desires are and we will walk > >> >> > you through it..:) > >> >> > > >> >> > > >> >> > Cheers, > >> >> > > >> >> > ps: I will be on vacation soon, so it is best to direct all > >> >> > questions to: > >> >> > > >> >> > address@hidden > >> >> > > >> >> > as they will get answered even in my absence. > >> >> > > >> >> > Jeff > >> >> > --------------------------------------------------------------------- > >> >> > Jeff Weber address@hidden > >> >> > : Unidata Program Center PH:303-497-8676 > >> >> > : University Corp for Atmospheric Research 3300 > >> >> > Mitchell Ln : http://www.unidata.ucar.edu/staff/jweber > >> >> > Boulder,Co 80307-3000 : > >> >> > --------------------------------------------------------------------- > >> >> > > >> >> > On Mon, 11 Jul 2005, Unidata Support wrote: > >> >> > > >> >> >> > >> >> >> At 09:42 AM 7/11/2005, Shuyi Chen wrote: > >> >> >> >Dear Mohan, > >> >> >> > > >> >> >> >It was nice seeing you in Boulder last week. > >> >> >> >As I mentioned that we are trying to set up some high-res model > >> >> >> forecasts for a NSF supported hurricane field program - RAINEX > >> >> >> >(Hurricane Rainband and Intensity Change Experiment) starting > >> >> >> >August at RSMAS/University of Miami. We'd like to get some > >> >> >> >operational global and regional model forecast fields as the > >> >> >> >initial/lateral boundary conditions, > >> >> >> >including GFS, GFDL, NOGAPS, and CMC (Canadian model), etc. > >> >> >> > > >> >> >> >However, we have some difficulties of getting the full model > >> >> >> >fields through ldm, partly because we don't understand the > >> >> >> >system well enough to tell where exactly the grib data from > >> >> >> >each models are and how to set up ldm to do this on our system. > >> >> >> So far we can only get GFS. > >> >> >> > > >> >> >> >Would you please let me know me if someone at UNIDATA could > >> >> >> help us with this? > >> >> >> > > >> >> >> >Thanks, > >> >> >> >Shuyi > >> >> >> > >> >> >> > >> >> >> -- > >> >> >> **************************************************************************** > >> >> >> < Unidata User Support UCAR > >> >> >> Unidata Program < (303)497-8643 > >> >> >> P.O. Box 3000 < address@hidden > >> >> >> ---------------------------------------------------------------------------- > >> >> >> < Unidata WWW Service > >> >> >> ---------------------------------------------------------------------------- > >> >> >> < NOTE: All email exchanges with Unidata User Support are > >> >> >> recorded in the Unidata inquiry tracking system and then made > >> >> >> publicly available through the web. If you do not want to have > >> >> >> your interactions made available in this way, you must let us > >> >> >> know in each email you send to us. > >> >> >> > >> >> >> ------- End of Forwarded Message > >> >> > >> >> > >> >> > >> > > >> > >> > >> -- > >> > >> > > > > > -- > >