Users • Re: arw2arl compilation error
Thank you for your recommendation, unfortunately does not work for me.This is the new error with the change made:gfortran -o ../../exec/arw2arl -O2 -fconvert=big-endian -frecord-marker=4 -fPIC...
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HYSPLIT on the READY Server • Re: Vertical Velocity Options
Thanks for the answer! I checked and used them in my thesis. I have another question . Are "model vertical velocity" and "kinematic method" and "three-dimensional method" the same? Unfortunately, I...
View ArticleDispersion Model • Utilizing Particle Size Characteristics
Hi everyone! I'm using hysplit as part of a project to model tephra concentration in the air and I have a bunch of particle size/density/sphericity data I collected from tephra samples. I want to use...
View ArticleWildfire Smoke • Data Inputs needed for Smoke Concentration
If I will be using the registered version of HYSPLIT, what data inputs are needed for smoke concentrations due to wildfires?Statistics: Posted by Alaa_Torkey — October 8th, 2023, 5:16 pm
View ArticleUsers • Terminate back-trajectories at ground level
Is there a way to run backtrajectories until they hit the ground? (I'm using pysplit) Many thanks!Statistics: Posted by atmosphericjo — October 17th, 2023, 4:51 am
View ArticleUsers • Using hourly GFS in HYSPLIT
We're wanting to use GFS with HYSPLIT. We can download for example https://nomads.ncep.noaa.gov/pub/data/n ... fs0p25f000, but we observe the met snapshots are 3 hours each, while we'd like to instead...
View ArticleIn-line WRF-HYSPLIT coupling • In-line WRF-HYSPLIT coupling recent versions
Hello!I'd like to ask what are the most recent versions of Hysplit and WRF that can be used for the in-line coupling at the moment.ThanksMaiaStatistics: Posted by maiacalvelloWRF — October 23rd, 2023,...
View ArticleIn-line WRF-HYSPLIT coupling • Re: In-line WRF-HYSPLIT coupling recent versions
The inline HYSPLIT coupled with WRF uses the HYSPLIT code prior to v5.0.0 (https://www.arl.noaa.gov/hysplit/hysplit-model-updates/). It is HYSPLIT revision 700-800. All the revisions up to v4.2.0 are...
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MeteoInfo Software • Trajectory animation
The sample script for trajectory animation using MeteoInfoLab.CODE: import timefn = os.path.join(migl.get_sample_folder(), 'HYSPLIT', 'tdump')f = addfile_hytraj(fn)lon = f['lon'][:]lat =...
View ArticleUsers • Trying to back track air parcels at a higher granularity using the...
Hi,I have been using HYSPLIT to back track air parcels from Downtown Dallas. I was able to back track the air parcels successfully for every hour of the day from the same location. I am wondering if...
View ArticleUsers • Re: Trying to back track air parcels at a higher granularity using...
The minutes field in starting time is optional. If it is left out, HYSPLIT will use 0. If the minutes field is specified, HYSPLIT will use it. For example, "83 09 25 17 15" will be 1983-09-25 17:15....
View ArticleRadiological • emission rate (CONTROL) and EMITIMES file
Dear collegues,I am adaptating the tutorial "smoky nuclear test" (https://www.ready.noaa.gov/documents/Tu ... _test.html) to other meteorological files. I wrote the CONTROL, SETUP and EMITIMES files....
View ArticleDispersion Model • Grid definition
Hello, I'm trying to conduct an experiment for a local plume emission. I don't understand a bit about setting the number of vertical levels and their maximum height. I'm using GFS 0.25x0.25 archive...
View ArticleGeneral questions on meteorological data needed for HYSPLIT • ARL converted...
Hello I obtained the ARL file after editing my custom netCDF data and did not encounter any mistakes. profile.txt, chkfile.txt outputs are attached to the end for further inspections. However, as I...
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Dispersion Model • Extracting data at specific location
Hello!I've successfully conducted a model run and got all necessary outputs files. Also I can open a kmz file in Google Earth. But I've got some trouble with extracting data as an array at specific...
View ArticleDispersion Model • what is the unit of the mass mentioned in PARINIT/PARDUMP
Hi HYSPIT admins,Can you tell me what is the unit of the mass (Record #2 – REAL*4) defined in the PARDUMP/PARINIT file (grams/ug/kg), please?Thank you,hysplituser123Statistics: Posted by...
View ArticleDispersion Model • Re: Extracting data at specific location
Can you make sure that the concentrations aren't zero for the location you are specifying?One thing in particular to look at is the height index to make sure you are extracting concentrations at the...
View ArticleDispersion Model • Re: what is the unit of the mass mentioned in PARINIT/PARDUMP
The mass unit is user specified when the emission rate is set. See the user guide. 12(2)- Emission rate (per hour)Default: 1.0Mass units released each hour. Units are arbitrary except when specific...
View ArticleDispersion Model • Re: Grid definition
It would help to see your CONTROL file.From your error message it looks like you are setting the model top to 1 and not 1000, which is below your release height of...
View ArticleGeneral questions on meteorological data needed for HYSPLIT • Re: ARL...
the message is saying that your starting point is not within the domain of your meteorological file.What is the domain of your meteorological file? does it cover your starting point?Statistics: Posted...
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