General questions on meteorological data needed for HYSPLIT • Using paleo...
Hi!I'd like to perform HYSPLIT trajectory and dispersion simulations using a meteorological derived from a paleoclimate simulation. I've checked CMIP6 data but the available time resolution for...
View ArticleGeneral questions on meteorological data needed for HYSPLIT • Paleoclimate grids
I'd like to run HYSPLIT simulations using a paleoclimate grid. Since CMIP6 does not have paleoclimate simulation data at sub-monthly resolution, I'd have to run my own simulation, say with CESM2, with...
View ArticleConversion programs • problem with era52arl
Hi guys,I'm running the following command in Ubuntu (for Windows) to convert ERA5 grid data to ARL and get an error:minimax@minimax:/mnt/c/Users/highlander/Downloads$ sudo ./era52arl -itest3.grib...
View ArticleConversion programs • Re: problem with era52arl
I downloaded new data and now I see another problem....sudo ./era52arl -iERA5_2007.Jan01.3dpl.grib -aERA5_2007.Jan01.2dpl.all.grib Existing decoding configuration: era52arl.cfg Allocating agrib 288...
View ArticleUsers • arw2arl error: STOP 900
I am having an issue with the arw2arl command. For some reason I get the following error:STOP 900Using an existing decoding configuration: WRFDATA.CFGERROR: incorrectly defined polar projection in...
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Bugs • HRRR backtrajectories are very different
I repeated an HRRR backtrajectory online with the same setup as I ran last year and have quite different results, attached. The backtrajectory from last year seems correct when comparing with other...
View ArticleUsers • Re: arw2arl error: STOP 900
As a follow-up, I am using the same WRFDATA.CFG file that I successfully used for a previous run. The major difference between the two WRF outputs is that one is in Lambert Conformal projection while...
View ArticleTrajectory Model • Backward trajectory for odour sources
I am a university researcher specializing in odor dispersion modeling. I would like to ask if HYSPLIT could be used, in a reliable way, as a reverse model to simulate backward trajectory for...
View ArticleBugs • Re: HRRR backtrajectories are very different
The HRRR archive for 2021 has not changed. However, the HYSPLIT model for online access was upgraded to version 5.3.0 on December 4, 2023 and to version 5.3.2 on February 1, 2024. Please refer to...
View ArticleGeneral questions on meteorological data needed for HYSPLIT • Running decades...
Hello,I would have liked to run hysplit over 1 to 3 decades to make statistics related to a climatology, using the ERA5 reanalyses. I testes to download only 1 day ERA5 data and convert it to ARL,...
View ArticleHYSPLIT for PCs • HYSPLIT Points to Photoshop
Installed HYSPLIT on Windows 11 per installation instructions, preceded by tcl and ImageMagick. When C:\HYSPLIT\guicode\hysplit.tcl is executed it brings up Photoshop Elements.Statistics: Posted by...
View ArticleHYSPLIT for PCs • Re: HYSPLIT Points to Photoshop
You might want to check the "Run Hysplit" shortcut by following the last paragraph of Step 3 at https://www.ready.noaa.gov/documents/Tu ... l_win.html. Use the shortcut to start HYSPLIT. It appears...
View ArticleUsers • Re: Using hourly GFS in HYSPLIT
I'm using api2arl_v6 and it doesn't seem to have a problem:$ rm *.cfg$ api2arl_v6 -z1 -igfs.t12z.pgrb2.0p25.f001 -of001.arl$ rm *.cfg$ api2arl_v6 -z1 -igfs.t12z.pgrb2.0p25.f006 -of006.arlchk_file...
View ArticleWildfire Smoke • Hysplit on R studio:
Hello!By using the model_height command, which defines the upper limit of the model domain in meters, I set a maximum height of 1,500 meters. However, upon reviewing the resulting table, I observe...
View ArticleDispersion Model • Pollutant Concentration
Dear all, I have 2 weeks hourly air pollutants concentration data for a location. The data were collected by air quality monitoring station. Is that possible to develop dispersion model using HYSPLIT...
View ArticleHYSPLIT for PCs • executing HYSPLIT parallel
Hello, I'm using HYSPLIT to track hourly back trajectories and mainly using MATLAB for this process. I've encountered several issues while trying to execute HYSPLIT in parallel. Initially, I was using...
View ArticleDispersion Model • Re: Pollutant Concentration
There are a good number of ways HYSPLIT can be utilized to model air pollutants which depends on what question you are trying to answer, what data you have regarding measurements and emissions...
View ArticleHYSPLIT for PCs • Re: executing HYSPLIT parallel
There are a few things that can help with executing multiple hysplit runs at the same time. 1. you can name your CONTROL and SETUP.CFG files with a suffix - CONTROL.suffix1 SETUP.suffix1,...
View ArticleGeneral questions on meteorological data needed for HYSPLIT • Re: Running...
Was it the downloading time that was the problem? The conversion itself should be pretty fast.Unfortunately I'm not sure of how to solve the problem of long download times. I think there are various...
View ArticleTrajectory Model • Re: Backward trajectory for odour sources
The short answer is yes, it could be used that way.For most applications one of the keys is to make sure the meteorological data which provides the wind fields to HYSPLIT is appropriate for the...
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