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11/27/2017 8:34 am  #1

Ensemble Routing

Should I be expecting basic .25 GFS route to match GFS Ensemble Control route ?
or is GFS Control its own permutation of basic GFS.
My GFS route takes me in a big arc, 350nm off rhumb, Annapolis to St. Lucia Leaving Nov. 30 8AM
Motoring when below 5 kts sailing speed.
19 of the ensemble routes basically follow rhumb, 
2 routes split the difference. 



11/27/2017 10:27 am  #2

Re: Ensemble Routing

You will find the ensemble control is slightly different from the basic GFS. It will also be lower resolution in most cases.


11/27/2017 12:12 pm  #3

Re: Ensemble Routing

If you haven't already; also download the gribs for the Gulf Steam and area eddies. 
 Weather tab/Saildocs/RTOFS-Global  you may find some variations.
Good luck,


11/27/2017 2:37 pm  #4

Re: Ensemble Routing


     Thread Starter

2/25/2020 10:43 pm  #5

Re: Ensemble Routing

For the GFS Ensemble, is there a way to view the standard deviation data for an imported grib?  I tried to look at it at a metogram and in the wind model drop down and could not see it.  In different viewer, I can see the std dev data in the same file.  Thanks.


2/26/2020 12:10 am  #6

Re: Ensemble Routing

There isn't ...


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