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General questions on meteorological data needed for HYSPLIT • Re: Using ICON...

We do not maintain a converter specifically for ICON because we do not have regular access to it.We have assisted in helping people get the api2arl to work for ICON grib2 files. You could probably...

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Developers • Re: Very slow computation of ERA5-based HYSPLIT trajectories...

Hello,thanks for the in depth analysis of the problem. We appreciate it if you don't post the source code here.Please email arl.webmaster@noaa.gov as we would like to consider incorporating...

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Users • Question about time interval of gases

Hello,I am a PhD Student, I want to backtrack airmasses coming to an atmospheric station.What time interval should I choose for CO2 and CH4 and Water vapor and Carbon Monoxide?Should I go back by 6...

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Users • Re: HYSPLIT vs ALOHA preferred distance from source

The website limitation https://ready.arl.noaa.gov/hypub/limitations.html is not working for me and I want to know what the limitations of Hysplit and compare with FlexpartStatistics: Posted by...

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HYSPLIT for LINUX • Failing at installing hysplit on a server

Hi, we try to install the "experimental" version on a server, but an error occurs while executing the Makefilemake[1]: Entering directory `.../HYSPLIT/hysplit.v5.3.0_x86_64_public/exec'make[1]: *** No...

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HYSPLIT for LINUX • Re: Failing at installing hysplit on a server

If you downloaded and installed a precompiled HYSPLIT package, there is no need to run make as executables are already included. Note that the MPI version of HYSPLIT is not included in the...

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Bugs • Re: NaN in tdump file

Dear Hysplit forum,I think I have a clue to locate the bug.The problem might be associated with the following warning i get during the execution: WARNING: advpol.f could not move off pole...

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HYSPLIT for Mac OS X • Re: Concentration model non-existent LANDUSE.ASC

Hi, I have the same problem. The checksums match. Any help on what may be causing this crash is greatly appreciated.Statistics: Posted by NicoCosentino — October 18th, 2024, 9:59 am

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HYSPLIT for Mac OS X • Concentration model error: segmentation fault

Hi,I am running the concentration model on a macOS 13.2.1. I define particle species with dry and wet deposition on, by defining non-zero diameters, densities and shapes (all our pollutant deposition...

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Users • Scripts for dispersion

Hello: I am new with Hysplit and I saw there are some scripts to work in windows using the CMD with multiple trajectories. Are there any scripts for dispersion? Thank you.Statistics: Posted by...

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Conversion programs • Processing GDAS from Grib Filter data

I'm generating a subset of GFS-Op50 metdata using the GRIBFilter site. The file produced (eg. gdas.t12z.pgrb2.Op25) I present to HYSPLIT to the WRF-ARW menu for output in ARL format. The reading and...

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HYSPLIT for Mac OS X • trajectory model grib2arl error

Hello everyone,I am new to Hysplit and would like to create trajectory models with ECMWF data. I have selected the appropriate variables and downloaded the .GRIB files (all GRIB1). I get a recurring...

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General questions on meteorological data needed for HYSPLIT • Handeling...

I'm creating a subset of meteodata using the NetCDF subset service for Grids. After producing an output file (eg. TP.nc) I import that into the meteorology option of HYSPLIT with the Convert WRF-ARW...

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Users • Re: Scripts for dispersion

Most sections of the HYSPLIT tutorial provides scripts. For example, Sec. 9.3 titled "Turbulence Parameterizations" (accessible at https://www.ready.noaa.gov/documents/Tu ... _turb.html) provides a...

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General questions on meteorological data needed for HYSPLIT • User entered...

I'm creating some weather data using the User data Entered option. It's then converted to to a xx.bin file which is used in the trajectory calculation. When the weather data time exceed eg. 40 hours...

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Bugs • Particles not wrapping around with global met fields

Running HYSPLIT 5.3.0 back trajectories, with ERA5 global met data encoded with hysplit_metdata and era52arl tools and the default area of 90/-180/-90/180 and grid resolution 0.3. In HYSPLIT, when the...

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Bugs • Inconsistent altitude selection

Greetings!So, I am running the online version of HYSPLIT, specifically the backwards trajectory, vertical velocity model.The main issue I am encountering is that the algorithm tends to return data for...

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General questions on meteorological data needed for HYSPLIT • Effect of...

I have been varying the area of the emission source in the emission file (EMITIMES) from a point source to a very large area but that is not reflected in the display output. The KMZ display is...

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HYSPLIT for PCs • Re: Adding variables to trajectory in hysplit/Pysplit

Were you able to fix this with Pysplit? I'm having the same issue. Thank you.Statistics: Posted by marinanieto — November 11th, 2024, 3:20 pm

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Users • How to get PAHs back trajectory by HYSPLIT model?

HI, I have read few papers where they have calculated polycyclic aromatic hydrocarbons (PAHs) back trajectory using HYSPLIT model. I use HYSPLIT desktop (Mac) and tried to get back trajectory for PAHS...

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