Add variable conversions from non-grid to grid
Add variable conversions from non-grid to grid

latitude {[time,],latitude} -> {[time,],latitude,longitude}
longitude {[time,],longitude} -> {[time,],latitude,longitude}
altitude {[time,],vertical} -> {[time,],latitude,longitude,vertical}
pressure {[time,],vertical} -> {[time,],latitude,longitude,vertical}

stcorp/harp,stcorp/harp,stcorp/harp,stcorp/harp,stcorp/harp,stcorp/harp