HYSPLIT Forum: hysplitbbs.arl.noaa.gov

Hi Tim,

In order to convert the ERA5 data to the arl format you need 3 files:
- A dataset from "ERA5 hourly data on pressure levels from 1940 to present". Stating it simply: this is the 3D data.
- A dataset from "ERA5 hourly data on single levels from 1940 to present". This is the surface data ...

Edited on March 3rd 2025:
I have updated my original post to prevent confusion. The following is my present answer, while the original question is below.

Current answer
Hi Charlie,

I downloaded ERA5 data from the CDS-API at the end of January/start of February 2025, after the ERA5 format ...