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by jcahill1124
April 6th, 2021, 10:43 am
Forum: Users
Topic: Concentration / Utilities / Convert to ASCII not outputting vertical heights
Replies: 1
Views: 6971

Concentration / Utilities / Convert to ASCII not outputting vertical heights

Hi all,

I have been using the Concentration / Utilities / Convert to ASCII tool from the HYSPLIT GUI in an attempt to graph particle positions in an x, y, and z field. However, the columns of the output file (attached) does not appear to contain vertical heights/levels.

The column headers are ...
by jcahill1124
March 2nd, 2021, 2:45 pm
Forum: Users
Topic: Computed Vertical Wind Speed Values
Replies: 3
Views: 7366

Re: Computed Vertical Wind Speed Values

Hi Fantine,

I've attempted this, but my file (GDAS 0.5) does not have WWND variable. Instead, HYSPLIT computes this from the horizontal velocity divergence. I was curious how I could find the values of this calculation.
by jcahill1124
February 28th, 2021, 2:42 pm
Forum: Users
Topic: Computed Vertical Wind Speed Values
Replies: 3
Views: 7366

Computed Vertical Wind Speed Values

Hello.

When I looked in the 'Initial CONTROL File Section,' I found that if a given file does not have a vertical wind speed variable, the vertical motion will be computed from the horizontal velocity divergence. Is there any way to locate the values of the vertical motion/wind speed if given a ...
by jcahill1124
February 17th, 2021, 2:34 pm
Forum: Users
Topic: How is exactly is the vertical motion computed from the velocity divergence
Replies: 1
Views: 10119

How is exactly is the vertical motion computed from the velocity divergence

Hello.

Within the 'Initial CONTROL File Section,' I understand that if a given file does not have a vertical wind speed variable, the vertical motion will be computed from the velocity divergence. Now I understand that this is a vertical integration of the horizontal velocity divergence, but what ...

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