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How does AS do oceanic weather?

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Lately for some reason I have been doing a lot of transoceanic flights. I am curious as to how AS2004 handles weather over the ocean? I think I figured out how it works but would like the bottom line.My theory is that it just does the weather of the closest station (which usually would be the nearest land?). Flying from KSFO to PHNL it hangs on to a K50Q METAR, AS2004 says it is over 230nm away at this point in the flight. The METAR updated itself and I got a huge cloud pop since the station was beyond the suppression radius.Is that how it works, just taking weather from the nearest station? Or are there oceanic weather reports on the Hifi server from some souce? And what about winds, does AS take the wind from the nearest station as well or does it use some other method?Just curious! BTW AS2004.5 b140 is what I have been using since it came out and no problems so far. I don't think i'll bother to upgrade until the official patch is out.Ruahrc

  • Commercial Member

Hi,FS9 takes weather from a variety of nearby stations (as available) and interpolates it on its own. When outside about 100nm of any station, if you have global writes on, the wx should transition to this global setting which is computed from nearby station data as well (will help avoid cloud pops somewhat).There are very little oceanic wx stations available in FS9 to set. Probably less than a dozen, most are actually islands. This unfortunately means that over the ocean you're going to get this interpolated, nearest, or global wx. These wx depictions are usually far from accurate due to the limitation of data and FS9's interpolation routines.We are actively working on this limitation for the next version of AS. It is a fairly large task involving dynamic addition of FS9 wx stations, which has been partially successful but we have much more to do to make it work properly. We plan to use advanced forecast data (as available on our servers) to generate surface conditions appropriately throughout your planned route of flight. This will include high-resolution depiction of actual forecast winds at any point on the globe (even in the middle of nowhere). Currently winds are direct as per closest aloft data that matches an FS9 station (when using DWC) or as interpolated by FS9 (with DWC disabled).Basically, this FS9 station limitation has been a thorn in our side for quite some time but we are confident that we'll be providing a much better solution in the near future :)Hope that helps..

Damian Clark
HiFi  Simulation Technologies

Good to see that you guys are working on the oceanic weather limitations of FS9. What you seem to be proposing comes very close to what I thought should be possible given the amount of weather forecast data that is freely available for the whole globe although I had no idea how this could be done technically within FS9.Bruce

Bruce Bartlett

 

Frodo: "I wish none of this had happened." Gandalf: "So do all who live to see such times, but that is not for them to decide. All we have to decide is what to do with the time that is given to us."

  • 6 months later...

How is progress with this development? Bryn.

Streaming at twitch.tv/brynmwr
  • Commercial Member

Hi,Some of this is planned for AS NEXT, some remaining things will be on the list for the future.. addition of dynamic stations is one of them (for the longer term future).Hope that helps!

Damian Clark
HiFi  Simulation Technologies

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