HYSPLIT Forum: hysplitbbs.arl.noaa.gov

Posted: **February 1st, 2021, 2:56 pm**

I need to do some back trajectories on 2018 dates. But I can only access data from 2021 only. what should I do?

Posted: **February 2nd, 2021, 9:14 am**

You can use the archive data. The link and description of available datasets are listed => https://www.ready.noaa.gov/archives.php

Back trajectory on previous years