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Daily feature for dispersion

Posted: January 20th, 2021, 9:09 pm
by Sebastien_Ars
Hi,

I installed HYSPLIT on my computer and I would like to simulate footprints with the STILT physics every 3 hours for few days.
I tried to use the "Daily" feature in Special Runs for that but I can't manage to make it work.
Here is how I try to parameterize it:

Start calculations at 16 01 07 00 and every 3 hr until 2 days 0 hr after start!

And when I click on 'Execute Script', it gives me the message 'Run duration <=0 .... terminating simulation".
I also tried:

Start calculations at 16 01 07 00 and every 3 hr until -2 days 0 hr after start!

It tells me "Calculations completed" without running anything.

Could you help figuring out what I am doing wrong?

Thanks,
Sebastien

Re: Daily feature for dispersion

Posted: January 25th, 2021, 9:28 am
by barbara.stunder
Try starting at 16 01 05 00 and every 3 hr until 2 days 0 hr after start.
If that doesn't work, attach your CONTROL and SETUP files.

Re: Daily feature for dispersion

Posted: January 27th, 2021, 11:19 pm
by Sebastien_Ars
I cannot change the starting time in the Daily menu (see Daily.png attached).
I configured the model and run the first simulation time through the standard run menu (see CONTROL and SETUP files attached) and this first run works fine. But when I try to launch the Daily special runs, the error message appear and the new CONTROL file is blank.

Re: Daily feature for dispersion

Posted: February 1st, 2021, 12:00 pm
by barbara.stunder
After looking at the GUI code, this 'run daily dispersion' option is not configured for backward runs. You can develop your own scripts/batch files to loop through the dates/times. There are examples in the C:\hysplit\examples\scripts directory. See also section 2.4 in the Online Tutorial at https://www.ready.noaa.gov/HYSPLIT_Tutorials.php.

Re: Daily feature for dispersion

Posted: February 1st, 2021, 5:54 pm
by Sebastien_Ars
I tried that but somehow, I cannot manage to load the meteo files... It gives me the following error message:

Unable to find file: 20160104_nam12
On local directory : C:\Meteo\NAM12\
Check input CONTROL file for correct values
900

I don't understand, the meteo file is in the indicated directory... Do the nam12 meteo files have an extension I cannot see?

Thanks in advance for your help.

Sebastien

Re: Daily feature for dispersion

Posted: February 9th, 2021, 8:45 am
by barbara.stunder
In your Daily_Test_3.bat file, there are tabs in the "echo to the CONTROL file" lines. Change those tabs to spaces, then it will work. That makes a CONTROL file without tabs at the end of the lines.