Wind forcing on non-lat-lon grids

[maxbalsmeier]

This might be a bit more of a SIS2 question, since the way I understand it SIS2 handles the coupling to the atmosphere, but I am trying my luck here anyway.
I am running MOM6, forced by wind from NWP models, at high resolutions. Most NWP models output their data on non-lat-lon grids like Lambert grids or rotated lat-lon grids (HRRR and RAP being two examples). However, I am getting "malloc(): corrupted top size" and then a long traceback when I try this.
The relevant portion of my data_table file is

"ATM", "u_bot", "wind_u", "./INPUT/wind_input.nc", "bicubic", 1.0
"ATM", "v_bot", "wind_v", "./INPUT/wind_input.nc", "bicubic", 1.0

It runs perfectly fine with wind data on a lat-lon grid like GFS.
I would like to ask: is MOM6/SIS2 able to handle wind forcing on different grids?

 

[maxbalsmeier]

I found it out by myself: It seems not to be able to handle anything else than regular rectangular grids.
So you have to interpolate the data and (for some models) passively rotate the wind vectors to refer to the local geographical coordinate system.