I am trying to calculate trajectories using my own MM5 output files. I compiled the mm5toarl routine and created the

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sonny.zinn
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I am trying to calculate trajectories using my own MM5 output files. I compiled the mm5toarl routine and created the

Post by sonny.zinn »

[Note that the question and the answer below are recreated from a HYSPLIT FAQ site that predates this forum site. The original posting date is unknown.]

Question:
I am trying to calculate trajectories using my own MM5 output files. I compiled the mm5toarl routine and created the arl formatted files compatible with HYSPLIT, but it still doesn’t work. I used the chk_file program and there is an error with the header. Should I change something in the mm5toarl routine?

Answer:
You need to make sure that your compilation included switches to insure that file record lengths were set in bytes, and that binary files are treated as either little-endian or big-endian, as appropriate to the platform on which you ran MM5.

Roland Draxler
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