Post by iconPost by RickW | 2015-01-07 | 03:44:14

Well, maybe.
What is likely to be the leading group (about 1000) began the high dive from the northern shores in the Gulf of Oman for Sri Lanka. This came about in a sudden change in routing about 3.5 hours early and not on the mid clock updates. The 6 Jan 2000 iteration soon appeared to be unstable in VR servo reporting and Zezo routing.

This was noted by latency in boat positions on the game main screen and frequent changes to sailing routes; often cycles of 20 minutes. Were these possibly linked together?

I think we all have weathered this by averaging so, there is no complaint. Just curious in the operation of the environment with VR sailing.

Just liking to understand what Zezo deals with in these situations.

commenticon 6 Comments
Post by iconPost by zezo | 2015-01-09 | 13:57:28
The weather file that becomes the 20:00 game weather is actually available 3.5 hours earlier. Most of the time it does not make sense by itself, so I wait 30 minutes more and apply the first 3-4 days of forecast at 17:00.

But sometimes I get too curious myself and download the data at 16:30 ;-)
Post by iconPost by Sir_Petrus | 2015-01-09 | 15:43:52
I belive you are talking UTC time right?
Now I understand why sometimes we got predictions 1 hour before the gfs update in the lower right corner.
But again you state is not all the time. :(
That makes it kind of random.
Post by iconPost by zezo | 2015-01-09 | 15:46:05
CET. And I just scheduled regular updates at 4/10/16/22 :30 and :45 (CET)

Most of the time the first two GRIB files are available at :30, that's what will become current data and +12h at the game wind update.
Post by iconPost by zezo | 2015-01-09 | 15:53:32
That's actually 3/9h UTC, and will shift to 5/11 CET during the daylight savings time
Post by iconPost by defiant11 | 2015-01-10 | 04:30:44
So if my understanding is good,

At 4/10/16/22 :30 and :45 (CET) you apply a current data and +12h update

and

At 5/11/17/23 (CET) you apply 3 to 4 day update

Is that right?

Thanks
Post by iconPost by zezo | 2015-01-10 | 15:22:52
The first update usually gets 2 files - +12 and +24 hours, but that's not guaranteed. NOAA servers take slightly different time to compute the model.

Each update 15 minutes later adds another 3-4 files, that's about two days worth of data (NOAA spools new in about 4 minutes from each other)
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New zezo fonction
2
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VR Ranking 2021
7
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Autosail malfunction
3
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Comments from a newbie to "long term" routing
1
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Massive thanks to Cvetan
7
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Fleet section mode record not working
2
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Possible routes on the Map tab
3
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Purple skippers on VR Dashboard
3
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UTC or CET time ?
2
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multiple routes?
2
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Real Sail
4
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Map a little gloomy
8
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Trophée Jules Verne - Route à l'envers ?
2
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Looks like weather updates offline for next 18h
26
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Bring the good old days back
7
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All.grib 0.0k ?
9
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different speed
3
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Strange 0.5 mille VR Scale
3
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Just an idea for a new feature...
7
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Connexion impossible
1
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Donations
7
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New leader - seems to be using Zezo
38
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Bravo Zezo
4
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zezo : Huge job - Huge thx
2
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Difference between boat speed display on VR, dashboard and polar curves
7
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Vendée Globe: Track lines falling too short of ischrones
8
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Tara Ocean
29
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VR winds currently not up to date ?
1
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"Sails Change" within the Programming
3
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RORC Transat finish moved to Antigua
3
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Weather update not appearing...
19
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Dashboard not updating.
6
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Boats Skins Vendée Globe
3
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Safari on iOS: Bearing lines gone
3
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Wrong coordinates in zezo
2
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Winds in the chart do not show changes between 78 hours and 114 hours forecast
2
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Decoding of All grib
6
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I CANNOT ENTER FOR 3 HOURS IN THE GAME
23
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Why the vc data is yellow underlined ?
3
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Jules Verne 2020 - "Start NOW" discrepancy VS real time
7
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Would like to know the reasenable time to update your pisition on zezo
16
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Arrival Vendée Globe in Normandy !!?
4
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MIssing the Obvious: How to get Zezo routes back into VR
2
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VG 2020-01-02 has Zezo a problem with geographic or ...
8
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How to retrieve a waypoint (TWA/HDG) that already passed...
16
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Track duration window
3
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Ways to bypass the client to give orders?
6
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Problem to Load zero route in windy.com
40
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French tutorial for zezo
4
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boat positioning
2
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Export routes in GPX format ?
4
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Sail selection issue ?
11
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Your friends boats in Google Earth
2
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Delay in Wind update ?N
1
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VR Dashboard
54
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Colone Tile red
3
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Destination setting - Fixer la destination
2
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Anyone else experiencing erratic course changing behavior?
9
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Looks like game winds not updating.
6
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difference between wind on he map and wind on the route
8
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Cape Horn route is not possible it is crossing land
6
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Lost the lines..
2
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all.grb question
3
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2 routings ?
1
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What point or line is being used to determine the rankings?
61
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180 degree bug and downwind track
11
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démarrer avec zezo au milieu de la course
2
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Local times in the charts
1
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red and green lines ahead of isochrones
13
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20 Minute tack
6
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nemo point challenge problem
8
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Nemo Point Challenge
51
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Point Nemoers
1
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Route doesn't give prediction over 24h anymore
7
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Iterations on server & Zezo
5
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Sidney-Hobart 2020
3
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To day zezo don’t give me any route
6
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Fatal Grib error tonight ?
2
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predicted times JV
3
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Loick Peyron uses zezo, the best virtual sailing router ;)
9
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Orthodromy vs loxodromy around the poles
6
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Strange 1st dot heading
3
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Campbell Island
4
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VR bugs and rants
11
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Cap constant, ou angle au vent ? Constant heading, or wind angle?
18
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Colors of wind in the chart
4
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