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Old 20-01-2012, 19:52   #1
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UGRIB Tips for Ocean Passage

I'm looking for some tips and tricks for using Ugrib. Like a few things, how do you plot your location on the screen? What I've practiced is printing the screen and then pasting it in word so I can print it on paper, but don't see how you can plot your location today or three days from now acuratly.

Another one is how big of a section do you select for the data? What lat and lon to you add and subtract from your actual location? I would think it would be better to get 7 days of info for 12 hour segments with 1 degree resolution and no rain for a large area then get more detail for a smaller area.

Do you usually get the grib data once per day?

Thanks for any suggestions.
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Old 21-01-2012, 00:45   #2
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Re: UGRIB Tips for ocean passage

Quote:
Originally Posted by Palarran View Post
how do you plot your location on the screen? What I've practiced is printing the screen and then pasting it in word so I can print it on paper, but don't see how you can plot your location today or three days from now acuratly.
Why not import the grib in any decent chart plotting application ? E. g. Free Opensource OpenCpn does that just fine. Plot your anticipated route on the chart and there you are...

BTW You might want to have a look at Zygrib or Airmail-Viewfax for (better IMHO) alternatives to Ugrib.
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Old 21-01-2012, 02:03   #3
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Re: UGRIB Tips for ocean passage

What are you receiving it with.With a sat phone I prefer Airmail. The need is to keep the file small. So I download pressure first then wind. The more days the less accurate are the forcast.
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