Backwards Trajectory - Arctic Air

Topics about the HYSPLIT trajectory model.
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Cambium
Posts: 1
Joined: December 1st, 2016, 9:46 pm
Registered HYSPLIT User: No

Backwards Trajectory - Arctic Air

Post by Cambium »

Can someone guide me to a link or step by step info on how to retrieve these maps below? YouTube informational video?

There is currently a projection of Arctic air to drop down next week and I wanted to see a backwards trajectory of it.

This is from back in February but wanted to know how to create such a map for current projection for next week.

Image
Source for image above: https://twitter.com/TomNiziol/status/697255758757568512

I assume I need to start here? http://ready.arl.noaa.gov/hypub-bin/trajtype.pl
Do I choose "normal"?
I assume GFS on next page? Source location I assume in the Arctic Circle?
Then the Model Run Details and the Display options I'm not sure of.

Thank You.
ariel.stein
Posts: 660
Joined: November 7th, 2012, 3:14 pm
Registered HYSPLIT User: Yes

Re: Backwards Trajectory - Arctic Air

Post by ariel.stein »

Just follow the web page prompts and use the default options. Just make sure you choose a trajectory duration of -72 hours so you generate a back-trajectory.
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