Trajectory Model • Vertical PBL mixing in HYSPLIT
Hello,I’d appreciate your input on a few questions related to trajectories initialized at or near the surface:1.Reading through the HYSPLIT user guide PDF and tutorial sect. 4-6, I understand (mostly...
View ArticleTrajectory Model • Follow-up questions
If my interpretation is incorrect and the trajectory model does not account for PBL mixing, as suggested from Stein et al., 2015, then:1. Should trajectories not be relied on once they hit the surface...
View ArticleConversion programs • Re: Conversion for GEOS
Did anything ever come of this? I have an interest in using GEOS-FP data within HYSPLIT. Many thanks!Statistics: Posted by samuelod — August 5th, 2024, 5:49 pm
View ArticleUsers • output options
Hi everyone,In the output section of GIS, is there an option to output BOTH KMZ and shapefile?Thanks!Statistics: Posted by drewdavis — August 6th, 2024, 1:03 am
View ArticleUsers • Re: output options
The current version of HYSPLIT graphical user interface (GUI) does not support creating a KMZ and Shapefiles at the same time. You would need to create the same plot twice, first with KMZ and second...
View ArticleHYSPLIT for PCs • arw2arl error
I get this application error message when running arw2arl:Assertion failed: offset >= 0, file posixio.c, line 465Assertion failed: offset >= 0, file posixio.c, line 465 while executing"exec...
View ArticleTrajectory Model • Meteo file selection for extended past->future...
I am running automated trajectory generated using a modified pysplit python library and would like confirmation of my logic for meto file selection.Trajectories will start a week or 2 in the past and...
View ArticleTrajectory Model • Different results using the same setup Run and meteo data?
Hello everyone!I am generating backtrajectories for 5 different locations (different lat, lon and altitude) in the same file. If I run the same calculation a few days later (same setup Run, same...
View ArticleHYSPLIT for LINUX • Error: version 'GLIBC_2.29' not found
Hi all,I'm trying to get my Linux pre-compiled distribution installed and running. When running the ./xrun.scr script in the /testing directory to test if everything is installed properly,, I keep...
View ArticleHYSPLIT for LINUX • Re: Error: version 'GLIBC_2.29' not found
What is your Linux flavor and version? Precompiled HYSPLIT packages are available for CentOS 7, Red Hat Enterprise Linux 8, Ubuntu 20, and Generic. Which precompiled HYSPLIT package have you...
View ArticleUsers • Re: Save 3D output in PPM
By using concgrid in your CONTROL file, HYSPLIT can produce 3D concentration grids. This will output concentration levels at multiple vertical levels, providing a 3D representation of the...
View ArticleBugs • NaN in tdump file
Dear Hysplit forum,I am getting NaN fields for lat, lon and height running hyts_std v5.3.2 forlinux. CONTROL file content is:22 04 17 041 #NUMBER OF STARTING LOCATIONS-89.997 -24.8 10 #STARTING 1:...
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Bugs • ERROR: BlueSky module fuelbeds failed
I have a problem and I can't find an address to solve itThis is not a NOAA product. It was produced by: emergenciascigMeteorology: 0000Z 15 Sep 2024 - GFS0p25Dry Deposition rate: 0 cm/s Wet Removal:...
View ArticleUsers • Specifying the emission rate for MDA8 Ozone
Dear HYSPLIT community,How should I specify the emission rate (1/h) for an ozone concentration of 243.92 ug/m3, considering that this concentration represents the maximum daily 8-hour average...
View ArticleBugs • Re: ERROR: BlueSky module fuelbeds failed
According to the error message, the fire location you entered is over a large body of water, more specifically, somewhere in the Indian Ocean. Please check the latitude and longitude coordinates of...
View ArticleTrajectory Model • Error in HYSPLIT reading model data from 360-day calendar
Hi, I am using meteo data from a GCM model with 360 day calendar and converting the NC files to arl format. The HYSPLIT model runs fine and without obvious errors. However, upon checking individual...
View ArticleUsers • Re: Specifying the emission rate for MDA8 Ozone
Could you provide more context on what you are trying to do?For a forward dispersion run, one needs to provide the model with emission estimates - that is the location(s) of the source(s) and...
View ArticleTrajectory Model • Re: Error in HYSPLIT reading model data from 360-day calendar
Yes - that is almost certainly the issue. HYSPLIT will not recognize a modified calendar. For instance the CAM modelhad a related issue in that it doesn't follow the normal calendar for leap years....
View ArticleGeneral questions on meteorological data needed for HYSPLIT • Using ICON data
Hello All,I was wondering if it would be possible to use meteorological netCDF (or grib2) files from the ICON model database. Or is it only possible to use the netCDF files from WRF-ARW.Thanks and...
View ArticleDevelopers • Very slow computation of ERA5-based HYSPLIT trajectories close...
Hello,Problem: I noticed that the calculation of hysplit trajectories (and probably also dispersion runs, which I did not test) slows down significantly once the trajectory approaches the dateline or...
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