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  • Users
    General questions and postings pertaining to the use of HYSPLIT regardless of the platform. For platform specific questions, use the HYSPLIT Platform forums.
    253 Topics
    871 Posts
    Last post Re: meteorological data alter…
    by alicec View the latest post
  • Developers
    Questions and postings pertaining to the development of HYSPLIT, feature enhancements, and HYSPLIT internals. HYSPLIT source code and algorithms are discussed here.
    27 Topics
    88 Posts
    Last post HNF dilution calculation in S…
    by yang_yukun View the latest post
  • Bugs
    Post any defects you find in the HYSPLIT software here. The HYSPLIT Developers carefully monitor this list and will work diligently to repair any reported problems. When posting a bug report, please specify both the HYSPLIT version and operating system you are using.
    53 Topics
    179 Posts
    Last post Solid particles do not sedime…
    by Fiete View the latest post
  • Announce
    Announcements pertaining to HYSPLIT, training materials, dispersion related jobs or research positions, or related software. This list is moderated and will not be used for any discussion.
    25 Topics
    49 Posts
    Last post Re: GDAS1 archive file gdas1.…
    by sonny.zinn View the latest post
  • General Comments
    Post any praises for the work of the HYSPLIT Developers and the products they make available to the public or any helpful criticisms so that we can do a better job of providing quality products.
    25 Topics
    72 Posts
    Last post Re: is HYSPLIT model work on …
    by sonny.zinn View the latest post
  • Trajectory Model
    Topics about the HYSPLIT trajectory model.
    250 Topics
    751 Posts
    Last post Re: GFS 0p25 File Error
    by croc View the latest post
  • Dispersion Model
    Topics about the HYSPLIT dispersion model.
    217 Topics
    886 Posts
    Last post Re: Calibration
    by AnuvA View the latest post
  • User Applications
    Post user applications of the HYSPLIT trajectory or dispersion model.
    7 Topics
    19 Posts
    Last post conavg or conavgpd
    by 559806 View the latest post
  • In-line WRF-HYSPLIT coupling
    HYSPLIT was originally designed to run offline utilizing meteorological data such as are provided by WRF-ARW. A new model framework has been developed that the revised HYSPLIT model is coupled inline with WRF-ARW to take advantage of the higher temporal frequency of the meteorological variables produced by the meteorological model, as well as using WRF-ARW's vertical coordinate scheme. The inline coupling approach is a more consistent depiction of the state of the atmosphere available to the dispersion model through the elimination of the need to interpolate the meteorological fields temporally and vertically. This forum was created to foster discussion on the use of the In-line WRF-HYSPLIT coupling.
    9 Topics
    44 Posts
    Last post Re: CAPTEX example IC/BC data
    by amankhan View the latest post
  • Volcanic Ash
    Post questions, comments and links to research (research papers, web sites, etc) involving HYSPLIT and volcanic ash. This section is also to facilitate collaborations between researchers involved in volcanic ash transport and dispersion.
    9 Topics
    16 Posts
    Last post I saw a program on TV that st…
    by sonny.zinn View the latest post
  • Wildfire Smoke
    Post questions, comments and links to research (research papers, web sites, etc) involving HYSPLIT and wildfire smoke. This section is also to facilitate collaborations between researchers involved in smoke transport and dispersion.
    5 Topics
    9 Posts
    Last post Wildfire Smoke SplitR Dispers…
    by cs7vs View the latest post
  • Dust
    Post questions, comments and links to research (research papers, web sites, etc) involving HYSPLIT and atmospheric dust. This section is also to facilitate collaborations between researchers involved in dust transport and dispersion.
    23 Topics
    72 Posts
    Last post Re: Input Control file error
    by sonny.zinn View the latest post
  • Chemicals
    Post questions, comments and links to research (research papers, web sites, etc) involving HYSPLIT and chemicals in the atmosphere. This section is also to facilitate collaborations between researchers involved in chemical transport and dispersion.
    9 Topics
    24 Posts
    Last post Re: Kz diffusivity
    by gws View the latest post
  • Radiological
    Post questions, comments and links to research (research papers, web sites, etc) involving HYSPLIT and radiological nuclides. This section is also to facilitate collaborations between researchers involved in radiological nuclide transport and dispersion.
    16 Topics
    46 Posts
    Last post Radionuclide deposition
    by Marziye75 View the latest post
  • Cluster Analysis
    Topics about the trajectory clustering program for HYSPLIT.
    39 Topics
    165 Posts
    Last post seasonal air mass clustering
    by Omar Noaman View the latest post
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