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HRRR backtrajectories are very different
Posted: February 27th, 2024, 5:49 pm
by pat
I repeated an HRRR backtrajectory online with the same setup as I ran last year and have quite different results, attached. The backtrajectory from last year seems correct when comparing with other models. Maybe I'm missing something in the setup? Has HRRR analysis changed recently?
Re: HRRR backtrajectories are very different
Posted: March 7th, 2024, 8:37 am
by sonny.zinn
The HRRR archive for 2021 has not changed. However, the HYSPLIT model for online access was upgraded to version 5.3.0 on December 4, 2023 and to version 5.3.2 on February 1, 2024. Please refer to
https://www.arl.noaa.gov/hysplit/hysplit-model-updates/ for highlights of changes that went into version 5.3.0.