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Old 14-11-2014, 15:33   #16
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Re: Weather routing service for Pacific Crossing

There are Grib files and there are Grib files.

Pridctwind and Tidetech are the only reliable Grib sources but you have to pay for it. But these are short term forecasts really.

I gained a qualification in meteorology back in 2000. However meteorology as most people know it is well out of date. I get all my long term forecast data from "Piers Corbyn" at www.weatheraction.com

If you watch the youtube video you'll know why.

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Old 14-11-2014, 15:42   #17
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Re: Weather routing service for Pacific Crossing

Meteorology in hydro-meteorology are basically the study of the interactions of atmosphere and the oceans. But new science is currently proving (with some resistance from the established community) that there is more that effects our weather than just reflected heat.
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Old 14-11-2014, 16:08   #18
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Re: Weather routing service for Pacific Crossing

My advice, from my personal experience with wx, sailing and routing:

If you think you want a router, get one who has experience in the required / specific geo area. Or someone with global experience.

If you have onboard someone with good level of wx understanding, invest in hardware/infrastructure and do your wx routing onboard.

If you are sailing in the good season, away from major wx nuisances (high latitudes lows, low latitudes tropical systems, ITCZ) then forget about a router.

Avoid routers who are not sailors. If you do need help, you want to talk to a person who understands the reality and limitations of extended ocean passages.

Regards,
barnakiel
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Old 15-11-2014, 06:13   #19
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Re: Weather routing service for Pacific Crossing

Every yacht requires a competent navigator who should understand routing (if only the basics) if their going to attempt an ocean passage. Extra external input maybe required in some cases. There is nothing in any geographical area that will cause a problem, as long as the time is spent given today's technology and data available on the internet. Routers who provide a ocean routing service would obversely have a proven knowledge of the sport, otherwise their just a weatherman.

Anyway enough said.
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